Siemens 5SJ4120-8HG42 1-Pole D-Curve Circuit Breaker - 20A
Siemens 5SJ4120-8HG42 1-pole, D-curve, 20A circuit breaker.
The Siemens 5SJ4120-8HG42 is a 1-pole miniature circuit breaker featuring a D-curve tripping characteristic and a 20A current rating. It provides a 10kA breaking capacity and is compliant with UL 489 standards for use at 277V.
This circuit breaker is designed for reliable overcurrent and short-circuit protection in applications where moderate inrush currents are expected. The D-curve characteristic is suitable for circuits with inductive loads like motors and transformers, preventing nuisance tripping during startup.
Stanlo Automation, a veteran-owned distributor specializing in surplus industrial automation parts, offers the Siemens 5SJ4120-8HG42. We provide high-quality, tested components at competitive prices, ensuring you get the parts you need for your automation projects.
| Type | Miniature Circuit Breaker |
| Poles | 1 |
| Current Rating | 20 A |
| Tripping Characteristic | D |
| Breaking Capacity | 10 kA |
| Voltage Rating | 277V AC |
| Standard | UL 489 |