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| Model | Rated Current In (A) | Current Adjustment Range (A) | Rated Ultimate Short-circuit Breaking Capacity Icu Rated Service Short-circuit Breaking Capacity Ics (kA) |
Arcing Distance (mm) | |||
| 400/415V | 690V | ||||||
| Icu | Ics | Icu | Ics | ||||
| UKS-M32 | 0.16 | 0.1~0.16 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 0.25 | 0.16~0.25 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 0.4 | 0.25~0.4 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 0.63 | 0.4~0.63 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 1 | 0.63~1 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 1.6 | 1~1.6 | 100 | 100 | 100 | 100 | 40 |
| UKS-M32 | 2.5 | 1.6~2.5 | 100 | 100 | 3 | 2.25 | 40 |
| UKS-M32 | 4 | 2.5~4 | 100 | 100 | 3 | 2.25 | 40 |
| UKS-M32 | 6.3 | 4~6.3 | 100 | 100 | 3 | 2.25 | 40 |
| UKS-M32 | 10 | 6~10 | 100 | 100 | 3 | 2.25 | 40 |
| UKS-M32 | 14 | 9~14 | 15 | 7.5 | 3 | 2.25 | 40 |
| UKS-M32 | 18 | 13~18 | 15 | 7.5 | 3 | 2.25 | 40 |
| UKS-M32 | 23 | 17~23 | 15 | 6 | 3 | 2.25 | 40 |
| UKS-M32 | 25 | 20~25 | 15 | 6 | 3 | 2.25 | 40 |
| UKS-M32 | 32 | 24~32 | 10 | 5 | 3 | 2.25 | 40 |
| UKS-M80 | 25 | 16~25 | 15 | 7.5 | 4 | 2 | 50 |
| UKS-M80 | 40 | 25~40 | 15 | 7.5 | 4 | 2 | 50 |
| UKS-M80 | 63 | 40~63 | 15 | 7.5 | 4 | 2 | 50 |
| UKS-M80 | 80 | 56~80 | 15 | 7.5 | 4 | 2 | 50 |
UKS-M80 Motor Protection Circuit Breaker 16~80A 690V Current Adjustment Range 56-80A
UKS-M32 is a thermal-magnetic motor circuit breaker designed primarily for three-phase asynchronous motors.
It provides reliable overload protection, short-circuit protection, and manual start-stop control.
As a compact device that integrates both control and protection functions in small motor control circuits, it is widely used for motor safety management in industrial and commercial applications.
Free Quote NowKey Features
- Combines thermal overload protection, electromagnetic short-circuit protection, and a manual operating mechanism. Enables direct motor control and comprehensive protection without requiring an additional contactor.
- Thermal Protection: Utilises a bimetallic strip that bends under excessive current, with adjustable settings based on motor-rated current for handling sustained overloads.
- Short-Circuit Protection: Employs a magnetic trip unit for instantaneous circuit interruption during short-circuit faults.
- Simplified wiring with integrated control and protection functions, reducing component count. Features an intuitive manual operation and adjustable protection parameters to suit various load requirements. High reliability ensures suitability for frequently started and stopped motor applications.
- Compact DIN rail mounting saves panel space. IP20 protection rating makes it ideal for standard control cabinet environments.
Application
- Industrial Machinery – Protects small machine tool spindle motors, conveyor drives, and mixer motors from overload or sudden short circuits caused by jams.
- Pumps & Fans – Safeguards cooling tower fans, small circulation pumps, and ventilation blowers (e.g., in workshop systems) against overload for continuous operation.
- Commercial & Building Systems – Controls HVAC fans, small fire pumps, and elevator door operators, integrating with building management for safe start-stop and fault feedback.
- Agricultural Equipment – Provides reliable overload and short-circuit protection for irrigation pumps and feed grinder motors in outdoor or dusty conditions.
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