UEM5Z3 Intelligent MCCB Circuit Breaker
- Product Name: Intelligent MCCB
- Product Model: UEM5Z3-250
- Poles Description: 3P、4P
- Rated Current [In]: 250 A at 40 °C
- Height: 165 mm
- Width: 105mm（3P）、140mm（4P）
- Depth: 101 mm
- Net Weight: 2.1 kg（3P）/2.5 kg（4P）
- Certificates: CB/CCC/UKCA/CE
Overview
UEM5Z3-250 Intelligent MCCB is a new type of product composed of sensor, microelectronics, computer and communication technology on the basis of traditional plastic-case circuit breaker.
The circuit breaker is suitable for AC 50Hz, setting current 40A to 250A, rated insulation voltage 800V, rated operating voltage of 400V and below in the low-voltage network.
With overload long delay, short circuit short delay, short circuit instantaneous, over and under voltage, phase loss, terminal overtemperature and other protection functions, but also with current, voltage, power, electricity, frequency, power factor and other electrical parameters monitoring function.
Product Description
UEM5Z3 Intelligent MCCB Circuit Breaker
Intelligent MCCB circuit breaker widely used in intelligent power distribution, smart communities, industrial and mining enterprises and other places. The Intelligent MCCB circuit breaker can be equipped with auxiliary contact, shunt release device, electric operating mechanism and other accessories.
UEM5Z3-250 Intelligent MCCB Certificates of Compliance
| CB |
IEC60947-2
|
| CCC |
GB/T 14048 .2
|
| UKCA | BS EN 60947-2 |
| CE | EN60947-2 |
Intelligent MCCB Product Characteristics
Intelligent MCCB Mutiple functions：
Intelligent MCCB with multiple functions such as overload, short circuit short delay, short circuit instantaneous protection,overvoltage/undervoltage protection, phase loss protection, terminal over temperature, remote tripping, electrical parameter measurement, fault analysis and recording, fault alarm, and RS485 communication.
Safety Intelligent MCCB：
Overload, overvoltage, undervoltage, phase loss, overtemperature and other protection parameters can be set for refined protection; short circuit backup protection adopts mechanical protection, fast action and stable breaking.
Intelligentization：
Remote multiple type information collection and multiple scheme control meet the needs of the Internet of Things and energy monitoring.
High reliability Intelligent MCCB：
The plastic base is made of thermosetting composite material, with good arc resistance, insulation, and temperature resistance; the operating mechanism adopts mature MCCB mechanism, which is stable and reliable. PCB board adopts anti-interference design to meet EMC requirements.
Intelligent MCCB 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.
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UEM5Z3 Intelligent MCCB Circuit Breaker
Standard operating environment and installation conditions
Smart MCCB Operating Temperature:
– The performance of the electronic overcurrent release does not fluctuate due to the change of temperature, but when the temperature is higher than +40 ° C, the rated continuous current will be reduced due to some changes in the copper parts (moving, static contacts and connecting terminals) through which the current flows in the circuit breaker, and the maximum set value of the overload protection function needs to be reduced.
– The performance of the circuit breaker cannot be guaranteed when the ambient temperature is higher than +70 ° C.
-In order to ensure the continuity of the work of the power equipment, it is necessary to consider keeping the temperature at a temperature where all the equipment can work normally, rather than only considering the operating temperature of the circuit breaker, such as taking strong ventilation in necessary occasions.
Moulded Case Circuit Breaker Altitude:
-Above 2000 m, with the increase of altitude, the composition of the atmosphere, insulation properties, cooling properties and air pressure change. At this time, the performance of the circuit breaker will be reduced, mainly in some major parameters, such as the maximum operating voltage and rated operating current and dielectric strength.
Technical Parameter 1
- Product or Component Type: Circuit breaker
- Device Application: Distribution
- Poles Description: 3P、4P
- Rated Current [In]: 250 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 A
- Breaking Capacity: L
- Rated Ultimate Short-Circuit Breaking Capacity [Icu]: L：35kA Icu at 400 V AC 50 Hz conforming to IEC 60947-2
- Rated Service Short-Circuit Breaking Capacity[Ics]: L：25 kA Ics at 400 V AC 50 Hz conforming to IEC 60947-2
- Arcing Distance (mm): ≤50mm
- Trip Unit Technology: Electronic
- Trip Unit Protection Functions: LCD（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
- Circuit Breaker Mounting Mode: Fixed Plug-in type
Technical Parameter 2
- Rated Insulation Voltage [Ui]: 800 V AC 50Hz
- Rated Impulse Withstand Voltage [Uimp]: 8 kV
- Mechanical Durability: 7000 cycles
- Electrical Durability: 1000 cycles at 400 V In
- Mounting Position: Horizontal and vertical flat on the back
- Connection Pitch: 35 mm
- Long-Time Pick-up Adjustment Type Ir (thermal protection): Adjustable
- Long-Time Protection Pick-up Adjustment Range [Ir]: 40A、50A、63A、70A、80A、90A、100A（In=100A） 100A、125A、140A、160A、180A、200A、225A、250A（In=100A）
- Long-Time Protection Delay Adjustment Type tr: Adjustable
- Long-Time Protection Delay Adjustment Range [tr]: 12s、36s、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、11、12） xIr、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、11、12) xIr、OFF
- Short-Time Protection Delay Adjustment Type tsd: Adjustable
- Short-Time Protection Delay Adjustment Range [tsd]: 0.1s、0.2s、0.3s
- Pre-Alarm Protection Pick-up Adjustment Range [Ip]: （0.4～1）xIr
Why Choose Kemus
Kemus Company Products Superiority
– High reliability: They responsible for protecting lines and equipment in the power system, which itself has high reliability and anti-interference, and can effectively protect the normal operation of the power system.
– High flexibility: Our products can be adjusted and controlled according to actual needs, with high flexibility and operability, and can adapt to different power system needs.
– Easy maintenance: If an electronic component fails, it can quickly replace the failed component;
– Supply Ability: Our company spirit of “all the pursuit of high quality, customer satisfaction for the purpose”, to provide customers with the most favorable prices, the most thoughtful service and the most reliable product quality.
– Original Country Technology: Our products incorporate cutting-edge technology sourced directly from the countries of origin, guaranteeing the latest advancements in electrical safety.
– Quality Assurance: Every products our company provide has a 100% passing rate in quality checks, reflecting our commitment to excellence and reliability in every unit.
Application Fields
Kemus Power Technology Cooperative Brand
Cooperate with us, you will get
Kemus is a leading provider of electrical switchgear and electronic components. Our electronic products reflect our commitment to ensuring reliability and adherence to global safety standards, marked by certifications such as UL/CUL, VDE, COC, and CCC. Kemus insists on a comprehensive quality assurance system, ensuring our products meet global standards for safety and reliability.
- Direct Factory Price
- Quality quaranteed
- Supply Stability
- Delivery On Time
- Thoughtful Service
- More Options From Us
- Professional introduction and advice
- Small size and weight, save space
- Modular design reduces installation difficulty
- Removable, replaceable, easy to maintain and repair
- Reduce maintenance costs and time costs
- Reduce power system losses
- High flexibility and maneuverability
- As technology advances, it is easy to upgrade
Products Packing & Delivery
FAQ
- What is the customer you work with? We work with famous brands such as: Enel, SMA, JCI, GE, Honeywell, United Technologies, SGCC, Sinopec, China GuoDian, Power China, China Post, ZiJin Minning and so on.
- How does Kemus ensure the quality? Kemus Products have passed CCC, CB, TUV, CQC, CE, UKCA certification.
- Can I get samples from your company? Yes, Samples can be provided.
- How long is the disconnector warranty period? Kemus most of the products warranty period is 18 months.
- What is your lead time? Normal within 10 days. It depends on detail items and quantity.
- If products have some quality problem, how would you deal with? Our company will responsible for all the quality problems.