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UEZ3D-125

Smart MCB

UEZ3D series

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Certificates:

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 ModelUEZ3D-125
Poles Description1P
Product ApplicationPower distribution protection
Rated Current [In] 6A…100A
Network TypeDC
Trip Unit TechnologyElectromagnetic and electronic
Curve CodeC
Breaking CapacityIcn=10kA  Ics=7.5kA
Function
 1P
Power Supply

External power supply

DC12V

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)
Alarm, fault analysis, fault record
Timing
Cost control function
Communication functionRS485
Life monitoring

 

Complementary 
rated operational voltage [Ue]65 V DC
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
Width35.6mm
Depth90mm
Net Weight193 g
Mechanical Durability10000 cycles
Electrical Durability6000 cycles(In=63A); 4000 cycles (In=80A, 100A)
Connections - Terminals

Top connection 1.0 mm²…35 mm² ( With overvoltage and undervoltage protection, without self recovery function)

Bottom connection 1.0 mm²…35 mm² (With overvoltage and undervoltage protection; with self recovery function)

Wire Stripping Length 15 mm 
Tightening Torque3.5 N.m 
Environment 
Standards                                                              

GB/T 10963.2

IEC 60898-2

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 
Unit Type of Package 1BB1             
Number of Units in Package 16               
Package Height 18.2cm             
Package Width 110.0cm             
Package Length 122.0cm           
Package Weight 11.2kg               
Unit Type of Package 2BAR               
Number of Units in Package 272                         
Package Height 224.8cm                     
Package Width 222.3cm               
Package Length 240.5cm                   
Package Weight 215.5kg               
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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