The latest Sigma SHM-4 300 mA Residual Current Circuit Breaker price in Pakistan is Rs. 8,510/- updated on June 24, 2026.
Documents:
Sigma SHM-4 300 mA Residual Current Circuit Breaker Data Sheet.pdf
Display Specification
| Color | RAL 7035 |
Summary
| Operating Voltage | – 25 to +60°C |
| Size | 80 mm |
HARDWARE FEATURES
| Number of Poles | 4 Poles |
| Mounting | 35 mm DIN rail |
TECHNICAL SPECIFICATION
| Electrical Life | 6000 |
| Insulation Voltage | Rated : 660 |
| Mechanical Life | 20000 |
| Protection degree | (after installation) : IP 20 (IP 40) |
| Rated Current | 25, 40, 63 |
| Rated Frequency | 50-60 Hz |
| Rated Operational Voltage | 415 (AC) V |
| Withstand voltage | Rated Impulse : 6 |
General Specification
| Leakage Current | Rated : 300 mA |
| Storage temperature | – 40 to +70°C |
| Tripping Range | 0.5 … ..1 x ıδn |
| Tripping Unit | Electromechanic |
| Dimensions | 70 mm |
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