Description
The Siemens QJ23B110 is a 3-pole molded case circuit breaker designed for reliable protection of electrical systems up to 240 VAC. Rated at 110 amps, it provides dependable overload and short-circuit protection using a thermal magnetic trip mechanism. Its bolt-on connection design ensures secure installation in commercial and light industrial electrical panels.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breaker |
| Part Number |
QJ23B110 |
| Subcategory |
Molded Case |
| Series |
QJ Frame |
| Type |
QJ2 |
| Voltage Rating |
240 VAC |
| Amperage Rating |
110 A |
| Poles |
3 |
| Phase |
3 |
| Interrupting Capacity (AIC) |
10 kA @ 240V |
| Protection Type |
Thermal Magnetic |
| Trip Functions |
Long-Time and Instantaneous |
| Connection Type |
Bolt-On |
| Terminal Type |
Load Side Lug |
| Wire Size (Copper) |
6 AWG to 300 kcmil |
| Wire Size (Aluminum) |
4 AWG to 300 kcmil |
| Temperature Rating |
40°C |
| Certifications |
UL Listed, CSA Certified, RoHS Compliant |
| Country of Origin |
Mexico |
| Weight |
4.25 lbs |
Information About
QJ23B110
The QJ23B110 is part of the Siemens QJ Frame series, engineered for efficiency and safety in low-voltage distribution systems. It features a non-interchangeable QJ2 trip unit and offers long-time and instantaneous trip functions for balanced circuit protection. The breaker supports three-phase power systems and uses load-side lug terminals for simplified wiring. Built with a durable molded case enclosure, it provides consistent performance in both standard and demanding electrical environments.
Key Features:
- Amperage Rating: 110A continuous current handling capacity for stable circuit protection.
- Voltage Rating: Operates at 240 VAC, suitable for low-voltage power distribution.
- Trip Unit: Thermal magnetic trip mechanism for combined overload and short-circuit protection.
- Interrupting Capacity: Rated 10kA at 240V for dependable fault current interruption.
- Connection Type: Bolt-on terminals ensure secure and vibration-resistant mounting.
- Poles: 3-pole configuration compatible with three-phase power systems.
- Construction: Compact molded case design with load-side lugs installed.
- Certifications: UL Listed and CSA Certified for safety and compliance.
The QJ23B110 delivers the reliability and precision required for commercial and light industrial electrical protection applications.
