Miniature Circuit Breaker 4.5kA
This miniature circuit breaker is designed for circuit protection in industrial, commercial, and residential applications. It provides reliable protection against overload and short-circuit currents.



Technical Specifications
Overview
Reliable Circuit Protection
This Miniature Circuit Breaker (MCB) is designed for robust circuit protection in industrial, commercial, and residential environments. Featuring a current-limiting design and a 4.5kA breaking capacity, it ensures safety and reliability across diverse electrical systems. The unit includes practical features such as captive screws, a clear red/green contact position indicator, and easy DIN rail mounting for streamlined installation.
Key Features
- Key Features
- Current Limiting DesignCaptive ScrewsContact Position IndicatorDIN Rail Installation
Electrical Specifications
Rated Current Options
- 6
- 10
- 16
- 20
- 25
- 32
- 40
- 50
- 63
Rated Breaking Capacity
Tripping Characteristics
- Rated Voltage
- 230V/400V (1P), 400V (2P, 3P, 4P)
Mechanical & Installation
- Available Poles
- 1P2P3P4P
- Mechanical & Electrical Life
- 4000 cycles
- Tightening Torque
- 2.5 N-m
Standards & Environment
Tripping Characteristics Test Data
| Test Condition | Test Current | Tripping Time | Result |
|---|---|---|---|
| Cold Start | 1.13In | ≤1h | Non-tripping |
| Following previous test | 1.45In | <1h | Tripping |
| Cold Start (≤32A) | 2.55In | 1s < t < 60s | Tripping |
- Protection Class
- IP20
- Pollution Degree
- 2
- Overvoltage Category
- II



