PRODUCT SELECTION MANUAL

COMPANY PROFILE

WOSOM ?

One-stop marketing service

The company has always been adhering to the "customer first, quality first" business philosophy, committed to providing customers with high quality, reliable electrical solutions. We will also continue to optimize the service system, establish a perfect pre-sale, sale and after-sales service mechanism, fully meet customer needs, to provide you with a more convenient and efficient service experience. We are willing to listen to customers' opinions and suggestions, constantly improve and innovate, and grow together with you.

HONOR AND QUALIFICATION

Patent support, quality worry free

The company has a number of patent certificates, more surge products test report, as well as isolation switch, leakage circuit breaker, fuse, distribution box and other qualification certificates for quality escort. With innovative technology, Levo is the place for you to experience excellence.

30

NUMBER OF CERTIFICATES

Quality management system certification
Back protector test report
Surge form test report
CE certification
SEMKO certification
UKCA certification
TUV certification

ENTERPRISE HISTORY

SETUP June 2002

Yueqing Watson Electric Appliance Co., Ltd. was established in Dongfeng Industrial Zone of Liushi City

DEVELOP February 2009

Has a production base, established a modern factory located in Taizhou Sanmen

LEAP

November 2010

Expand overseas markets, set up a subsidiary in the U and enhance international competitiveness

OPTIMIZE

February 2020

The company launched the "Wosom" brand, focusing on brand building and marketing

CREATE

December 2021

Through the
unremitting efforts of
all employees, the
company achieved a
high performance
in 2021

INNOVATE

Continuous innovation and progress, to provide customers with better products and services.

01CONSUMERUNITANDENCLOSURE

Metal Consumer Unit Enclosure 03
Metal Surge ProtectionPopulated Unit 04
TP&N Distribution Board 05
IP65 Aluminum Die-Cast Enclosure 07
IP65WHTPlasticModularEnclosure 09
IP65Plastic Modular Enclosure 11
IP20 PlasticEnclosure 12
IP65 Enclosures/Shower Units/Garage Units 13
IP20 Metal Enclosures 14
IP40 Plastic ModularEnclosures 15
IP40 Plastic Modular Enclosures Flush Mounted 16

02 MCB RCD RCBO &MAIN SWITCH

WCC Miniature Circuit Breakers 19
WCA Miniature CircuitBreakers 21
WCBMiniature CircuitBreakers 23
WCHMiniatureCircuitBreakers 25
WCPMiniature CircuitBreakers 26
WSM-100 Main Switch 27
WSM-125 Main Switch 28
WSM-125D Main Switch 29
WSM-250MainSwitch 30
WRD Type A/AC Residual Current Circuit Breaker 31
WRL-63TypeA/ACResidual CurrentCircuitBreaker 33
WRV TypeBResidual Current Circuit Breaker 35
WRT TypeA/AC Residual Current Circuit Breaker(Time Delay)37
WRCA TypeA/AC Standard RCBO 38
WRCSTypeA/ACMini RCBO 39
WRCN Type A/AC Mini RCBO(Neutral Line Switched) 40
WRCT Double Pole Type A/AC RCBO(Twin Switches) 41
WRCM TypeA/AC ElectromagneticRCBO 42
WAFDTypeA/ACArcFaultDetectionDeviceWithRCBO 43
WiFi DinRail Switch 44

03SURGEPROTECTOR

WSA Range Surge Protective Device 47
\mathsf{W S A+N} Range Surge Protective Device 49
WSP Range Mini Surge Protective Device 51
\mathsf{W S P}+N Range Mini Surge Protective Device 52
WST1 Surge Protective Device 53

04INDUSTRIALCONTROLAPPLIANCES

WLC1 AC Contactor 57
WLR2 Thermal Overload Relay 60
WMC Modular Contactor 61
WGV2MotorProtectorCircuitBreaker 62

05MOULDEDCASECIRCUITBREAKER

WSMH Moulded Case Circuit Breaker 65
WSML Moulded Case Circuit Breaker 68
WSMCMoulded CaseCircuitBreaker 69

06 FUSE

PRODUCT CATALOG

07 ROTARYISOLATOR

WRI Weatherproof Rotary IsolatorSwitch 85
WLW26 Weatherproof Rotary Cam Switch 87
WISWeatherproofIsolatorSwitch 89

09FREQUENCY CHANGER

EJ800 Multi-function Inverter 119
Soft Starter For Motor 123
CHF100A Frequency Converter 125

08 Photovoltaic / DC Electricals

Photovoltaic/ DC Distribution Box 93
Photovoltaic Fuse Link 95
Photovoltaic Fuse Holder 97
Photovoltaic Fuse Base 98
DC Surge Protection Device 99
DC Surge Protection Device 101
DC Rotary Isolator 103
DC Rotary Isolator Switch 104
SPM Meter 105
TPM Meter 106
Photovoltaic Gland Connector 107
Photovoltaic Cable Connector 108
Fuse Connector 109
Type-T Branch Connector 110
Type-T Branch Connector 111
Type-T Branch Connector 112
Type-Y Photovoltaic Branch Connector 113
Type-Y Photovoltaic Branch Connector 114
Type-Y Photovoltaic Branch Connector 115
Diode Connector 116

10 WIRING ACCESSORIES

SM Insulator Series 129
C Insulator Series 133
CT Neutral BarBracket 135
EL Copper Busbar Clamp Bracket 137
PG/M Cable Gland 139
Copper Busbar Series 141

INDICATORDIGITALMETERAND PUSHBUTTON

AD Series Indicator Digital Meter 145
AD16 Series Indicator 146
XB2SeriesPushButton 147

n1 CONSUMER UNIT AND ENCLOSURE

Metal Consumer Unit Enclosure

Product model meaning

Product characteristics

· Consumer unit enclosures supplied with Blank, Neutral Cable, Busbar, Neutrual & Earth Terminal bar, Din Rail.
· Fully enclosed metal construction body with drop down metal lid.
· Multiple circular cable entry knock-outs (25&32mm) on the top and bottom,32mm on the sides, and back plus larger rear slots.
· Raised key holes for secure easy installation.
· Raised Din rail improves cable routing.
· Large and accessible wiring space, with extra space for RCBOs, MCBs.
· Flexible connection allows for various configurations of protected ways.

Product selection

Metal Surge Protection Populated Unit

Product model meaning

Product characteristics

· Consumer unit enclosures supplied with neutral cable, busbar, neutral & earth terminals, DIN rail.
·Fittedwith DP100AmainSwitch.
·Fitted withtype A RCBOs.
·Fitted with20/40kA Surge Protective Device.

Product selection

TP&N Distribution Board

Product model meaning

Product characteristics

· Modern style finished in epoxy powder paint to RAL7035.
·RatedVoltageAC380V/415V50/60Hz.
·●Maximum loading current to 125A/250A.
·Section Neutral & Earth terminal are fitted both sides.
·Quicker installation with earth & neutral terminals adjacent to the MCBs / RCBOs.
· Fully enclosed busbar system.
· Complete shrouding for main incomer and link.
·Removablegland platefor ease of cable entry.
· Keyhole fixing for ease of wall mounting.
· All Version supplied with Main Switch.
· Complies with BS EN 61439-3.

Product selection

IP65 Aluminum Die-Cast Enclosure

Product model meaning

Product characteristics

· Weatherproof metal IP65 enclosure offering circuit protection for electric vehicle chargers · Fully enclosed metal construction body with drop down metal cover and metal lid. · 20mm & 32mm diameter circular cable entry knock-outs on the side top and bottom ● Modern style finished in polyester powder coating to White,Gray,Black color.
· Large and accessible wiring space with robust die cast construction.
· Raised Din rail improves cable routing.
·Protection level to IP65
·SPDType:T2
● Complies with BS EN 61439-3,BS EN60947-3 & BS EN 61643-11.

Product selection

IP65 WHT Plastic Modular Enclosure

Product model meaning

Product characteristics

· IP65 rated, Suitable for a variety of outdoor uses.
·Manufactured from insulated flame retardant ABS.
·Suitablefor housing modular components.
· Supplied complete with Din rail.

Product selection

IP65 Plastic Modular Enclosure

Product model meaning

Product characteristics

·IP65 rated, Suitable for a variety of outdoor uses.
·Manufactured from insulated flame retardant ABS.
·Suitable for housing modular components.
·Supplied completewithDinrail.

Product selection

IP20 Plastic Enclosure

Product model meaning

Product characteristics

:h, flame-retardant ABS rated IP20, the series is suitable for most indoor app

Product selection

IP65 Enclosures / Shower Units / Garage Units

Product model meaning

Product characteristics

· Suitable for a variety of outdoor uses.
·IP65 rated.
·Fixed busbar.
·Manufactured from insulated flame retardent ABS.
● Manufactured and approved to BS EN60439-3,BS EN61008 BS En60898.
·FittedwithtypeARCD.

Product selection

IP20 Metal Enclosures

Product model meaning

Product characteristics

· Manufactured from robust powder coated steel for increased durability.
· Large and unobstructed wiring space.
· The raised DIN rail improves cable routing.
· Leakage protectors or circuit breakers are allowed, and all circuits can be installed independently.
· The leakage protector is protected in use.

Product selection

IP40 Plastic Modular Enclosures

Product model meaning

Product characteristics

Made of robust, flame retardant ABS rated IP40, the series is suitable for most indoor applications, including circuit breakers, main switches and leakage protectors.

Product selection

IP40 Plastic Modular Enclosures Flush Mounted

Product model meaning

Product characteristics

Made of robust, flame retardant ABS rated IP40, the series is suitable for most indoor applications, including circuit breakers, main switches and leakage protectors.

Product selection

n2 MCB RCD RCBO &MAIN SWITCH

WOSOM ?

WcC Miniature Circuit Breakers

Product model meaning

Product characteristics

●Rated current In (A) :6,10,16,20,25,32,40,50,63
●Poles: 1P,2P,3P,4P
·Rated voltage Ue(AC): 230/400V
· Rated frequency: 50/60Hz
● Insulation volage Ui: 500V
· Rated breaking capacity(A): 3KA
·Rated impulse withstand voltage(1.2/50) Uimp (V): 4000
· Dielectric test voltage at ind. Frq for 1 min (KV) : 2
·Ambient temperature with daily average <=slant35 °C:-5~+40
·Thermomagnetic release characteristic:B,C,D
·Electrical life: 8,000
· Contact position degree: IP20
·Storage temperature( °C):-25{~+70)}
·Reference temperature for setting of thermal element ( °C){:}30

Product selection

Product curve

WCA Miniature Circuit Breakers

Product model meaning

Product characteristics

·Rated current In (A) :6,10,16,20,25,32,40,50,63
●Poles: 1P,2P,3P,4P
·Rated voltage Ue(AC): 230/400V
· Rated frequency: 50/60Hz
· Insulation volage Ui: 500v
● Rated breaking capacity(A): 6KA
·Rated impulse withstand voltage(1.2/50) Uimp (V): 4000
· Dielectric test voltage at ind. Frq for 1 min \left(\mathsf{K V}\right):2
·Ambient temperature with daily average <=slant35 °C:-5~+40
·Thermomagnetic release characteristic: B,C,D
·Electrical life: 8,000
· Contact position degree: IP20
· Storage temperature( °C):-25{~+70)}
· Reference temperature for setting of thermal element ( °C){:}30

Product selection

Product curve

WCB Miniature Circuit Breakers

Product model meaning

Product characteristics

●Rated current In (A) :6,10,16,20,25,32,40,50,63
●Poles: 1P,2P,3P,4P
·Rated voltage Ue(AC):230/400V
●Rated frequency: 50/60Hz
·Insulation volage Ui: 500V
● Rated breaking capacity(A): 10KA
·Rated impulse withstand
●voltage(1.2/50) Uimp (V): 4000
● Dielectric test voltage at ind. Frq for 1 min (KV) : 2

Product selection

·Thermomagnetic release characteristic: B,C,D
·Electrical life: 8,000
● Mechanical life: 20,000
· Contact position degree: IP20
· Reference temperature for setting of thermal element ( °C){:}30
·Ambient temperature with daily average <=slant35 °C:-5~+40
· Storage temperature( °C):-25{~+70)}

Product curve

WCH Miniature Circuit Breakers

Product model meaning

Product characteristics

● Rated current In (A) :80, 100
●Rated voltage Ue(AC): 240/415V
·Insulation volage Ui: 500v
·Thermomagnetic release characteristic: B,C,D
·Mechanical life: 20,000
·Ambient temperature(with daily average \{35\ °C:-5~+40\}
·Storage temperature( °C):-25~+70)
●Poles: 1P,2P,3P
● Rated frequency: 50/60Hz
● Rated breaking capacity(A): 6 kA
·Electrical life: 8,000
· Contact position degree: IP20

Product selection

WCP Miniature Circuit Breakers

Product model meaning

Product characteristics

·Rated current In (A) :6,10,16,20,25,32,40,50,63 ● Dielectric test voltage at ind. Frq for 1 min (KV) : 2
·Poles: 1P,2P,3P · Ambient temperature(with daily average <=35\circ C:-5~+40⟩
·Rated voltage Ue(AC): 230/400V · Thermomagnetic release characteristic: B,C
·Rated frequency: 50/60Hz · Electrical life: 8,000
·Insulation volage Ui: 500v · Contact position degree: IP20
· Rated breaking capacity(A): 6KA · Storage temperature (\circ C):-25~+70)
· Rated impulse withstand voltage(1.2/50) Uimp (V): 4000 \bullet Reference temperature for setting of thermal element ( ^\circ C) :30

Product selection

WSM-100 Main Switch

Product model meaning

Product characteristics

· 100/125A Rated Current · 230/400V Rated Voltage ● 10,000 Cycles Electrical Life

Product selection

· 10,000 Operations Mechanical Life ·BS EN60947-3Compliant

WSM-125 Main Switch

Product model meaning

Product characteristics

·100/125A Rated Current · 10,000 Operations Mechanical Life · 230/400V Rated Voltage ·BS EN60947-3 Compliant ● 10,000 Cycles Electrical Life

Product selection

WSM-125D Main Switch

Product model meaning

Product characteristics

· 100/125A Rated Current · Double Wiring Terminal · 230/400V Rated Voltage ● BS IEC/EN 60947-3 Compliant

Product selection

WSM-250 Main Switch

Product model meaning

Product characteristics

·100/125A Rated Current ● 10,000 Operations Mechanical Life · 230/400V Rated Voltage ·BS EN60947-3 Compliant · 10,000 Cycles Electrical Life

Product selection

WRD Type A/AC Residual Current Circuit Breaker

Product model meaning

Product introduction

Smooth DC residual currents can occur in industrial, commercial and residential applications which contain photovoltaic systems, frequency converters or electronic devices. Our type B RCCB can detect DC fault currents, which can occur in frequency inverter controls, photovoltaic systems as well as through electronics used in households. They can detect residual current faults comprising of pure AC up to 10o0 hertz, rectified AC, pure DC and pulsating DC, and increases safety considerably. They comply with IEC/EN 61008-1 and IEC/EN 62423.

Product characteristics

· Pole No.: 2, 4
·Rated current(A): 25 40 63 80 100A
·Rated voltage: 240/415V AC
·Ratedfrequency:50/60Hz
· Rated residual operating current I(mA):30,100
·Rated residual non operating current: 0.51\triangle\mathfrak{n}
· Rated conditional breaking current Inc: 6000A
·Tripping duration Instantaneous tripping <=slant0.15
· Residual tripping current range:0.5l△n\~l△n
·Electro-mechanical endurance:40o0 cycles
· Connection capacity Rigid conductor up to 25\mathsf{mm}2
·Connection terminal Screw terminal
· Pillar terminal with clamp
·Fastening torque 2.0 \mathsf{N m}
· Installation: On symmetrical DIN rail 35mm
· Panel mounting

Product selection

WRL-63 Type A/AC Residual Current Circuit Breaker

Product model meaning

Product characteristics

WRL-63 series RCCB(without overcurrent protection)applies to AC 50Hzrated voltage 240V 2 poles, 415V 4 poles, rated current up to 63A. Whenelectric shock occurs to human or leakage current in grid exceeds stipulatedvalues, RCCB cuts off the fault power in a very short time to protect thesafety of human and electrical equipments.lt can also function as nonfrequently switching of circuits.

·Application:
Industry and commercial buildings, high-rise buildings and residential housesetc. ·Conforms to standard:
IEC/EN61008-1

Product selection

WRV Type B Residual Current Circuit Breaker

Product model meaning

Product introduction

Smooth DC residual currents can occur in industrial, commercial and residential applications which contain photovoltaic systems, frequency converters or electronic devices. Our type B RCCB can detect DC fault currents, which can occur in frequency inverter controls, photovoltaic systems as well as through electronics used in households. They can detect residual current faults comprising of pure AC up to 1000 hertz, rectified AC, pure DC and pulsating DC, and increases safety considerably. They comply with IEC/EN 61008-1 and IEC/EN 62423.

Product characteristics

●Rated Current: 25A,40A,63A
·Rated tripping currentIn:30mA/100mA/300mA
· Sensitivity:AC, pulsating and smooth DC residual currents
·Rated voltage Un:230/400 V AC
·Rated frequency: 50\mathsf{H z}
● Rated insulation voltage Ui: 440V
· Rated impulse withstand voltage Uimp: 4 kV (1,2/50us)
· Rated short circuit capacity Icn: 10kA
·Peak withstand current:3kA
· Endurance electrical:4.000 operating cycles
·Endurance mechanical: 20oo0 operating cycles
· Operation temperature: .5 °C to +40 °C
· Degree of protection: Ip20
· Terminal capacity: 1,5-35\:mm^{2}
·Rated:6mA Smooth DC

Product selection

WRT Type A/AC Residual Current Circuit Breaker (Time Delay)

Product model meaning

Product characteristics

Provides protection against earth fault/leakage current and function of isolation; High breaking current withstand capacity; Applicable to terminal and pin type busbar connection; Equipped with finger protected connection terminals; Flame resistant plastic parts endures abnormal heating and strong impact; Automatically disconnect the circuit when earth fault/leakage current occurs and exceeds the rated sensitivity; Independent of power supply and line voltage, and free from external interference, voltage fluctuation.

·Pole No.: 2
·Rated current(A):80 100A
·Rated voltage:240/415V AC
·Rated frequency:50/60Hz
·Rated residual operating current I△(mA):30,100 · Rated residual non operating current: 0.51\triangle\mathsf{n} ·Rated conditional breakingcurrent Inc:6000A · Tripping duration Instantaneous tripping <=slant0.15
· Residual tripping current range:0.5l△n\~l△n
·Electro-mechanical endurance:40o0 cycles
·Connection capacity Rigid conductor up to 35mm2
·Connection terminal Screw terminal
· Pillar terminal with clamp
·Fasteningtorque 2.0 \mathsf{N m}
· Installation: On symmetrical DIN rail 35mm
·Panel mounting

Product selection

WRCA Type A/AC Standard RCBO

Product model meaning

Product characteristics

Provides protection against earth fault/leakage current, short circuit, overload.
Effectively protects electric equipment against insulating failure.
Handle can be locked with pad-lock to prevent unwanted operation. ●Rated current(In): 6A,10A,16A, 20A,25A,32A,40A,50A,63A ·Rated voltage(Un) 230V AC.
·Breaking capacity (lcn)6kA, 10kA.
·Rated residual current:30mA.

·Tripping characteristics: B,C. · Electrical endurance: 4000 cycles. ● Mechanical endurance: 10000 cycles · Complies with BS EN 61009-1.

Product selection

WRCS Type A/AC Mini RCBO

Product model meaning

Product characteristics

·Switching and isolation.
· Overload and short circuit protection.
· Protection against the effects of sinusoidal alternation earth fault currents.
· Indirect and direct contacts protection.
·Protection against fire hazard caused byinsulation faults.

●Rated current (In): 6A, 10A, 16A, 20A, 25A,32A,40A. · Thermomagnetic release characteristics: B, C · Rated voltage (Ue): 230V AC. · Electrical endurance: 4000 cycles. ● Breaking capacity (Icn): 6kA. · Mechanical endurance: 100000 cycles. ·Rated residual current: 30mA, 100mA. · Complies with BS EN 61009-1.

Product selection

WRCN Type A/AC Mini RCBO (Neutral Line Switched)

Product model meaning

Product characteristics

WRCN is a range of MCB sized RCBOs, apply to circuit of \mathsf{A C50}/\mathsf{60}\mathsf{H z} . Rated voltage to 230V, and current up to 40 \mathsf{A} bring higher levels of safety to an electrical installation and its users because they include switched neutral as standard, which will guarantee that healthy circuits remain in service and that only a faulty circuit is switched off and bring cost savings by reducing installation and testing times.

·Switching and isolation.
·Overload and short circuit protection.
·Protection against the effects of sinusoidal alternation earth fault currents.
·Indirect and direct contacts protection.
·Protection against fire hazard caused byinsulationfaults. · Thermomagnetic release characteristics: B,C.
· Electrical endurance: 4000 cycles.
· Mechanical endurance: 100oo0 cycles.
· Complies with BS EN 61009-1.
·Type: AC, A.

Product selection

WRCT Double Pole Type A/AC RCBO (Twin Switches)

Product model meaning

Product characteristics

●Rated current (In): 6A, 10A, 16A, 20A, 25A,32A,40A.
· Rated voltage (Un): 240V AC.
·Breaking capacity (lcn): 6kA.
·Rated residual current: 30mA, 100mA.
· Thermomagnetic release characteristics: B,C.
· Electrical endurance: 4000 cycles.
· Mechanical endurance: 10000 cycles.
· Complies with BS EN 61009-1.
· Cable terminal capacity maximum:16mm2 · Bidirectional.

Product selection