Description
The Siemens QJ23B175 is a molded case circuit breaker engineered for dependable protection in three-phase systems. Rated at 175 amps and 240 volts, it delivers thermal-magnetic performance with long-time and instantaneous trip functions.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Breakers |
| Part Number |
QJ23B175 |
| Subcategory |
Molded Case |
| Series |
QJ |
| Frame Type |
QJ |
| Voltage |
240 VAC |
| Amperage |
175 A |
| Poles |
3 |
| Phase |
3 |
| Protection |
Thermal Magnetic |
| Functions |
Long-Time and Instantaneous Trip |
| Connection Type |
Bolt-On |
| Terminal Connection |
Load Side Lug |
| Interrupting Rating |
10kAIC @ 240V |
| Standards |
RoHS Compliant |
| Dimensions (H x W x D) |
4.5" x 7" x 2.34" |
| Application |
Panelboards, Switchboards, Distribution |
| Trip Unit Type |
Thermal-Magnetic |
| Weight |
4.45 lbs |
Information About QJ23B175
The QJ23B175 is a Siemens circuit breaker from the QJ Series, designed to safeguard three-phase distribution systems with reliability. It incorporates a thermal-magnetic trip unit that combines long-time overload protection with instantaneous short-circuit interruption, ensuring both safety and performance. The bolt-on style with load side lug terminals provides a secure connection within panelboards and switchboards. With RoHS compliance and a 10kA interrupting capacity at 240V, this breaker meets both performance and environmental standards.
Key Features:
-
Voltage Rating: Designed to operate at 240 VAC, this breaker handles medium-voltage power distribution for a wide range of commercial and industrial systems.
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Three-Pole Construction: Protects all three phases of an electrical system, maintaining balance and stability across the circuit.
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Thermal-Magnetic Protection: Integrates thermal overload detection with instantaneous magnetic trip to safeguard against both long-term and sudden electrical faults.
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Interrupting Capacity: Delivers a 10kAIC interrupting rating at 240V, ensuring dependable fault clearing without compromising system safety.
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Connection Type: Bolt-on mounting with load side lug terminals offers a secure, vibration-resistant installation and easy maintenance access.
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Frame Type: Built on the robust QJ molded case frame, designed to resist environmental stress and mechanical wear.
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Standards Compliance: RoHS certified, supporting environmentally responsible installations while meeting industry safety regulations.
- Compact Dimensions: With a footprint of 4.5" x 7" x 2.34", it conserves panelboard space while maintaining full-rated functionality.
The QJ23B175 delivers the reliability and precision required for mission-critical electrical protection in distribution networks.
