Siemens 5SJ4 Miniature Circuit Breakers
Siemens 5SJ4 Miniature Circuit Breakers come in 1-, 2- or 3-pole versions with 0.3A to 63A rated current. These 70mm mounting depth devices are smaller than traditional molded-case circuit breakers and feature identical wire screw connections on the line and load sides. Siemens 5SJ4 provides DIN rail mounting, an ON and OFF/Trip visible indicator, and EN50274 touch protection.
Features
- 1-, 2- or 3-pole versions
- 0.3A to 63A rated current range
- ON and OFF/Trip visible indicator
- EN50274 touch protection
- DIN rail mounting (35mm standard)
- Identical wire screw connections on line and load sides
- Smaller size than traditional molded-case circuit breakers
Specifications
- Rated voltage
- 240/120VAC, 60VDC - same polarity (HG40)
- 240VAC, 60/125VDC (HG41)
- 480/277VAC, 60/125VDC (HG42)
- 70mm mounting depth
- Trip characteristics
- B, C, D (HG40)
- C, D (HG41 and HG42)
- Rated current
- 6A to 63A (B characteristic, HG40 and HG41)
- 0.3A to 63A (C and D characteristics, HG40 and HG41)
- 0.3A to 40A (C characteristic, HG42)
- 0.3A to 32A (D characteristic, HG42)
- 10kA or 14kA interrupting ratings
Videos
Additional Resources
Related MCBs
Siemens 5SY4 Miniature Circuit Breakers
Provides safe short-circuit and overload protection for industrial applications.
Inilathala: 2023-08-23
| Na-update: 2023-09-12