Siemens 5SX11-C20 Circuit Breaker
$141.00
The Siemens 5SX11-C20 is a single-pole miniature circuit breaker from the 5SX series, rated at 20A with C-curve tripping for DIN rail panel installations. With a 6 kA breaking capacity, it protects downstream branch circuit wiring against overcurrent and short-circuit faults.
1 in stock
Description
- C-Curve Tripping: Suits circuits with moderate inrush loads.
- Fault Current Protection: Interrupts short circuits up to 6 kA.
- DIN Rail Mounting: Installs directly in standard panel enclosures.
- Single-Pole Configuration: Protects individual branch circuits at 20A.
Technical Specifications
| Manufacturer | Siemens |
|---|---|
| Part Number | 5SX11-C20 |
| Type | Circuit Breaker |
| Series | 5SX |
| Size / Rating | 20 Amp |
| Interrupt Rating | 6 kA |
| Configuration | Single Pole, C-Curve |
| Voltage | 220/380V AC |
| Mounting Type | DIN Rail Panels |
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Description
The Siemens 5SX11-C20 is a single-pole miniature circuit breaker from the 5SX series, designed for overcurrent and short-circuit protection in DIN rail panel installations. It uses a C-curve tripping characteristic suited to circuits with moderate inrush currents and carries a 6 kA breaking capacity for fault current interruption.
It mounts directly in DIN rail panels and is also listed under alternative part number 5SX1120-7, which aids cross-referencing during procurement and replacement sourcing. The single-pole breaker occupies a compact rail footprint, rated at 20A and 220/380V AC with a 6 kA fault current interruption threshold.
Frequently Asked Questions
What is the breaking capacity of the 5SX11-C20?
The breaker has a 6 kA breaking capacity, defining the maximum fault current it can safely interrupt.
Is the 5SX11-C20 listed under a different part number?
Yes. It is also referenced as the 5SX1120-7, which is the same product under an alternative Siemens catalog designation.
What type of panels is the 5SX11-C20 compatible with?
It is compatible with DIN rail panels, mounting directly onto standard rail within panel enclosures.
