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UEM5Z1-800

MCCB

UEM5Z1 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 
RangeUEM5Z1
Product NameUEM5Z1
Device Short Name UEM5Z1-800 
Product or Component TypeCircuit breaker
Device ApplicationDistribution
Poles Description3P、4P
Rated Current [In] 800 A at 40 °C
Rated Operational Voltage[Ue]400 V AC 50 Hz
Network TypeAC
Network Frequency50 Hz
Suitability for IsolationYes conforming to EN/IEC 60947-2
Utilisation CategoryCategory B
Breaking CapacityM、H
Rated Ultimate Short-Circuit
Breaking Capacity [Icu] 
M:65 kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
H:85 kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
Rated Service Short-Circuit Breaking Capacity[Ics]M:50 kA Ics at 400 V AC 50 Hz conforming to IEC 60947-2
H:65 kA Ics at 400 V AC 50 Hz conforming to IEC 60947-2
Arcing Distance (mm)≤50mm
Trip Unit TechnologyThermal-magnetic
Trip Unit Protection Functions LSIP(overload long time delay + short circuit short time delay + short circuit instantaneous + pre-alarm protection)
Control Type

Operated by handle 

Operated by motorized operating mechanism

Operated by rotary operating mechanism

Circuit Breaker Mounting Mode

Fixed

Plug-in type 

Withdrawable type 

Complementary 
Rated Insulation Voltage [Ui]800 V AC 50Hz
Rated Impulse Withstand Voltage [Uimp]8 kV
Mechanical Durability2500 cycles
Electrical Durability500 cycles at 400 V In
Mounting PositionHorizontal and vertical flat on the back 
Connection  Pitch70 mm

Long-Time Pick-up Adjustment

Type Ir (thermal protection)

Adjustable

Long-Time Protection Pick-up

Adjustment Range [Ir] 

450A、500A、550A、600A、630A、650A、700A、750A、800A

Long-Time Protection Delay

Adjustment Type tr

Adjustable 

Long-Time Protection Delay

Adjustment Range [tr]

12s、60s、80s、100s、OFF
Instantaneous Protection Pickup Adjustment Type IiAdjustable 

Instantaneous Protection

Pick-up Adjustment Range [Ii] 

(3、4、5、6、7、8、9、10、12) xIn、OFF 
Short-Time Protection Pick-up Adjustment Type IsdAdjustable
Short-Time Protection Pick-up Adjustment Range[Isd](2、3、4、5、6、7、8、9、10、12) xIr、OFF

Short-Time Protection Delay

Adjustment  Type tsd

Adjustable

Short-Time Protection Delay

Adjustment Range [tsd]

0.06s、0.1s、0.2s、0.3s
Pre-alarm Protection Pick-up Adjustment Range [Ip](0.7、0.8、0.9、1.0)xIr
Electrical Accessory Types 

Alarm contact

Shunt release

Auxiliary contact

Undervoltage release

Width210mm(3P)、280mm(4P)
Height275 mm
Depth104 mm
Net Weight9.5kg(3P)/12.5 kg(4P)
Environment 
StandardsEN/IEC 60947-2
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 4P 
Unit Type of Package 1PCE
Number of Units in Package 11
Package Height 118.5cm18.5cm
Package Width 129cm36cm
Package Length 148.5cm48.5cm
Package Weight 110.2kg13.25kg
Offer Sustainability 
China RoHS Regulation China RoHS declaration
Product out of China RoHS scope. Substance declaration for your information. 
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