| Main | |||
| Range | UEM5Z1 | ||
| Product Name | UEM5Z1 | ||
| Device Short Name | UEM5Z1-400 | ||
| Product or Component Type | Circuit breaker | ||
| Device Application | Distribution | ||
| Poles Description | 3P、4P | ||
| Rated Current [In] | 400 A at 40 °C | ||
| Rated Operational Voltage[Ue] | 400 V AC 50 Hz | ||
| Network Type | AC | ||
| Network Frequency | 50 Hz | ||
| Suitability for Isolation | Yes conforming to EN/IEC 60947-2 | ||
| Utilisation Category | Category B | ||
| Breaking Capacity | M、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 Technology | Thermal-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 Durability | 4000 cycles | ||
| Electrical Durability | 1000 cycles at 400 V In | ||
| Mounting Position | Horizontal and vertical flat on the back | ||
| Connection Pitch | 44 mm | ||
Long-Time Pick-up Adjustment Type Ir (thermal protection) | Adjustable | ||
Long-Time Protection Pick-up Adjustment Range [Ir] | 200A、225A、250A、275A、300A、315A、350A、375A、400A | ||
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 Ii | Adjustable | ||
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 Isd | Adjustable | ||
| 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 | ||
| Width | 140mm（3P）、184mm（4P） | ||
| Height | 257 mm | ||
| Depth | 97 mm | ||
| Net Weight | 5.7kg（3P）/7.5 kg（4P） | ||
| Environment | |||
| Standards | EN/IEC 60947-2 | ||
| Product Certifications | CCC CB | ||
| Pollution Degree | 3 conforming to IEC 60664-1 | ||
| Ambient Air Temperature for Operation | -25…70 °C | ||
| Ambient Air Temperature for Storage | -40…70 °C | ||
| Relative Humidity | 0…95 %（25℃） | ||
| Operating Altitude | 0...2000 m without derating 2000 m...4000 m with derating | ||
| Packing Units | |||
| Package | 3P | 4P | |
| Unit Type of Package 1 | PCE | ||
| Number of Units in Package 1 | 1 | ||
| Package Height 1 | 18.5cm | 18.5cm | |
| Package Width 1 | 22cm | 26.5cm | |
| Package Length 1 | 37.8cm | 37.8cm | |
| Package Weight 1 | 6.36kg | 8.26kg | |
| Unit Type of Package 2 | Box | ||
| Number of Units in Package 2 | 2 | 2 | |
| Package Height 2 | 19.5cm | 19.5cm | |
| Package Width 2 | 38.5cm | 38.5cm | |
| Package Length 2 | 45.5cm | 54.5cm | |
| Package Weight 2 | 16kg | 20.5kg | |
| Offer Sustainability | |||
| China RoHS Regulation | China RoHS declaration Product out of China RoHS scope. Substance declaration for your information. | ||
Main Documentation
The Product is Compatible With
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
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