Siemens 5SJ4120-7HG40 1-Pole C-Curve Circuit Breaker - 20A
Siemens 5SJ4120-7HG40 1-pole, C-curve, 20A miniature circuit breaker.
The Siemens 5SJ4120-7HG40 is a 1-pole miniature circuit breaker featuring a C-curve tripping characteristic, a 20A current rating, and a substantial 14kA breaking capacity. It operates at 240V, has a 70mm width, and is compliant with UL 489 standards. This model also specifies equal polarity.
This circuit breaker is well-suited for protecting circuits with moderate inductive loads, common in control panels and machinery. The C-curve allows for temporary inrush currents during equipment startup, while the 14kA rating provides robust protection against short circuits.
Stanlo Automation, your veteran-owned source for surplus industrial automation parts, offers the Siemens 5SJ4120-7HG40. We provide reliable, cost-effective components to keep your operations running smoothly. Trust us for quality surplus parts delivered with exceptional service.
| Type | Miniature Circuit Breaker |
| Poles | 1 |
| Current Rating | 20 A |
| Tripping Characteristic | C |
| Breaking Capacity | 14 kA |
| Voltage Rating | 240V AC |
| Depth | 70 mm |
| Standard | UL 489 |
| Polarity | Equal |