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UEZ3-125

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UEZ3-125

Smart MCB

UEZ3 series
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Certificates:

The Product is Compatible With

Z3GW Gateway
Z3PW Power
Z3CL Communication wire

Product Characteristics

Multi-function： Overload protection, short-circuit protection, remote control, electric parameter measurement, over & under voltage auto reclosing, fault analysis, fault alarm, RS485 communication multiple functions.
Miniaturization： The high combination of mechanical release, contact system, arc extinguishing device, DC motor, reduction mechanism, sensor and electronic components makes the product compact in structure and simple in appearance.
High safety： Overload, overvoltage, under voltage, over power, over temperature and other protection can be provided; short circuit protection adopts mechanical protection, with fast operation and high breaking capacity.
Intelligentization： Edge computing strategy, circuit important protection local processing execution; remote multi-category information collection, multi-program control, to meet the needs of the Internet of Things.
High reliability： the operation mechanism adopts efficient and reliable DC motor to provide stable power for breaking and closing, and the positioning system adopts high precision detection switch for accurate positioning and strong anti-interference ability;PCB board adopts anti-interference design to meet EMC requirements.
Easy installation： Adopt modular design, can be installed on standard 35mm rail; control power and RS485 communication using plug in connection, and a variety of communication wire accessories are optional.

Technical Parameters

Main 
RangeUEZ3
Product NameSmart miniature circuit-breaker
Product or Component TypeCircuit-breaker
Product ModelUEZ3-125
Poles Description2P、3P、4P
Product ApplicationPower distribution protection
Rated Current [In] 63A…100A
Network TypeAC
Trip Unit TechnologyM: electromagnetic and electronic
Curve CodeC
Breaking CapacityIcs=Icn=6kA
Function

structure

function

2P3P4P
Power SupplyExternal power supplyDC12VDC12VDC12V
Protection FunctionShort circuit protection√√√
Overload protection√√√
Overload setting current protection√√√
Overvoltage and undervoltage auto reclosing√ √
Control FunctionsRemote control function√√√
Metering functionCurrent metering√√√
Voltage measurement (power, electricity)√√(conjunction)√
Alarm, fault analysis, fault record√√√
Timing√√√
Cost control function√ √
Communication functionRS485√√√
Life monitoring√√√

 

Complementary 
Network Frequency50Hz
Rated Operational Voltage [Ue]

1P: 230 V AC 50Hz

3P: 400 V AC 50Hz 

4P: 400 V AC 50Hz

Magnetic Tripping Limit7…15 x In
Rated Insulation Voltage  [Ui] 500 V 
Rated Impulse Withstand Voltage [Uimp]4kV
Contact Position IndicatorYes
Mounting SupportDIN rail
Height71mm
Width

2P: 53.2mm

3P: 70.8mm

4P: 88.4mm

Depth90mm
Net Weight

2P: 275 g 

3P: 455 g   

4P: 600 g 

Mechanical Durability10000 cycles
Electrical Durability

6000 cycles(In=63A); 4000 cycles (In=80A、100A)

(power factor 0.85…0.9)

Connections - TerminalsTop connection 1.0  mm²…35  mm²
Wire Stripping Length 15 mm 
Tightening Torque3.5 N.m 
Environment 
Standards                                                      

GB/T10963.1

NB/T 42149

IEC60898-1

Product CertificationCCC, CQC, CE, CB, UKCA
IP Degree of ProtectionIP20 
Pollution Degree2
EMC Degree3
Relative HumidityAnnual average: <75%, 30 days (these days are naturally distributed throughout the year): 95%; Accidental appearance on other days: 85%
Ambient Air Temperature for Operation-25…70 °C (monthly average temperature≤35℃)
Ambient Air Temperature for Storage-40…80 °C 
Working AltitudeNot exceeding 2000m
Packaging Unit 
 2P3P4P
Unit Type of Package 1BB1BB1BB1
Number of Units in Package 1643
Package Height 18.2cm8.2cm8.2cm
Package Width 110.0cm10.0cm10.0cm
Package Length 122.0cm22.0cm22.0cm
Package Weight 11.2kg1.5kg1.3kg
Unit Type of Package 2BARBARBAR
Number of Units in Package 2723624
Package Height 224.8cm24.8cm24.8cm
Package Width 222.3cm22.3cm22.3cm
Package Length 240.5cm40.5cm40.5cm
Package Weight 215.5kg18kg16.2kg
Offer Sustainability 
EU RoHS DirectiveCompliant EU RoHS Declaration
Mercury FreeYes
China RoHS RegulationYes
Products Outside the Scope of ROHS Control in ChinaYes
RoHS Exemption InformationYes
Contractual Warranty 
Warranty18 months
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