Siemens 5SJ4140-8HG40 1-Pole D 40A Circuit Breaker 240V UL 489
Siemens 5SJ4140-8HG40 circuit breaker - 1-pole, 40A, 240V, UL 489, D-curve.
The Siemens 5SJ4140-8HG40 is a 1-pole, Type D circuit breaker designed for 240V systems, offering protection for loads with high inrush currents. It has a breaking capacity of 10kA, is rated for 40A, features a 70mm width, and supports equal polarity, all while complying with UL 489 standards.
This breaker is ideal for applications involving motors, transformers, or other equipment that experience significant temporary current surges during startup. The Type D trip curve provides the necessary time delay to prevent nuisance tripping while still ensuring protection against short circuits.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens 5SJ4140-8HG40. We are committed to providing genuine, quality components and excellent service for your automation projects.
| Voltage | 240V |
| Current | 40A |
| Poles | 1 |
| Breaking Capacity | 10kA |
| Curve | D |
| Standard | UL 489 |
| Width | 70 mm |
| Polarity | Equal |