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UEM5-250

MCCB

UEM5 series

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Certificates:

Product Characteristics

Insulating parts such as base, cover and shaft are made of thermosetting composite materials, which have high strength and high insulation performance.
Unique contact design, fast breaking speed and small tripping force.
Rotating flip structure, easy to install accessories without opening cover.
Adopt advanced electromagnetic repulsion technology to quickly extinguish the arc.

Technical Parameters

Main 
RangeUEM5
Product NameUEM5
Device Short Name UEM5-250
Product or Component TypeCircuit breaker
Device ApplicationDistribution
Poles Description3P、4P
Rated Current [In]

100A at 40 °C           

125A at 40 °C

140 A at 40 °C         

160 A at 40 °C

180 A at 40 °C         

200 A at 40 °C

225A at 40 °C           

250 A at 40 °C

Rated Operational Voltage[Ue] 400 V AC
Network TypeAC
Network Frequency50 Hz
Suitability for IsolationYes conforming to IEC 60947-2
Utilisation CategoryCategory A
Breaking CapacityL、M、H
Rated Ultimate Short-Circuit
Breaking Capacity [Icu] 
L:35 kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
M:50 kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
H:70 kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
Rated Service Short-Circuit Breaking Capacity[Ics]L:25 kA Ics at 400V AC 50Hz conforming to IEC 60947-2
M:50 kA Ics at 400 V AC 50 Hz conforming to IEC 60947-2
H:50 kA Ics at 400 V AC 50 Hz conforming to IEC 60947-2
Arcing Distance (mm)≤50mm
Trip Unit Technology

Thermal-magnetic

Magnetic

Control Type

Operated by handle 

Operated by motorized operating mechanism

Operated by rotary operating mechanism

Circuit Breaker Mounting Mode

Fixed

Plug-in type 

Complementary 
Rated Insulation Voltage [Ui]800 V AC 50 Hz
Rated Impulse Withstand Voltage [Uimp]8 kV
Mechanical Durability7000 cycles
Electrical Durability1000 cycles at 400 V In
Mounting PositionHorizontal and vertical flat on the back 
Connection Pitch35 mm

Instantaneous Protection

Pick-up Adjustment Range [Ii] 

10In(For power distribution)

12In(For motor protection)

Electrical Accessory Types 

Alarm contact

Shunt release

Auxiliary contact

Undervoltage release

Width105mm(3P)、140mm(4P)
Height165mm
Depth61mm(L)、85mm(M、H)
Net WeightL:1.5kg(3P)/2.1kg(4P)、 M、H:2.0kg(3P)/2.9kg(4P)
Environment 
StandardsEN/IEC 60947
Product Certifications

CCC

CB

Pollution Degree3 conforming to IEC 60664-1
Ambient Air Temperature for Operation-25…70 °C
Ambient Air Temperature  for  Storage-40…70 °C
Relative Humidity0…95 %(25℃)
Operating Altitude

0...2000 m without derating

2000 m...4000 m with derating

Packing Units 
Package3P L3P M4P L4P M
Unit Type of Package 1PCE
Number of Units in Package 11
Package Height 115.6cm16.8cm16.8cm16.8cm
Package Width 117.2cm18.7cm21.1cm21.1cm
Package Length 120.1cm21.1cm22.2cm22.2cm
Package Weight 11.64kg2.5kg2.47kg3.37kg
Unit Type of Package 2Box
Number of Units in Package 212888
Package Height 233.3cm35.7cm36.1cm36.1cm
Package Width 235.5cm38.5cm43.3cm43.3cm
Package Length 241.5cm43.5cm45.7cm45.7cm
Package Weight 219.7kg20kg19.76kg27kg
Offer Sustainability 
China RoHS Regulation China RoHS declaration Product out of China RoHS scope. Substance declaration for your information. 
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