Description
The Square D MBKQJ3175 breaker mounting kit is a panelboard accessory designed for installing QJ2 and QR2 breakers in compatible P1 original panelboards. This 3-pole kit includes a QJ23B175 breaker rated at 175 A for reliable branch circuit protection and power distribution applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Square D |
| Category |
Electrical Distribution |
| Part Number |
MBKQJ3175 |
| Subcategory |
Breaker Mounting Kits |
| Product Type |
Main Breaker Mounting Kit With Breaker |
| Included Breaker |
QJ23B175 |
| Compatible Breaker Types |
QJ2/QR2 |
| Compatible Panelboards |
P1 Original Panelboard |
| Current Rating |
175 A |
| Number of Poles |
3 |
| Interrupt Rating |
10 kA at 240 V AC |
| Construction Material |
Composite |
| Application |
Breaker Mounting and Panelboard Integration |
| Weight |
6 lb |
Information About MBKQJ3175
The MBKQJ3175 is a breaker mounting kit manufactured by Square D for use with P1 original panelboards and compatible QJ frame breaker systems. This assembly includes a factory-matched QJ23B175 circuit breaker and mounting hardware designed to simplify breaker installation and panelboard integration. Engineered for 3-pole applications, the kit provides a 175 A current rating with a 10 kA interrupt rating at 240 V AC for dependable circuit protection performance. Its composite construction and compatibility with QJ2 and QR2 breaker configurations make it suitable for commercial and industrial electrical distribution systems.
Key Features:
- Included QJ23B175 Breaker: Supplied with matching breaker for direct installation compatibility.
- 175 Amp Rating: Supports medium-capacity branch circuit protection applications.
- 3-Pole Configuration: Designed for multi-phase electrical distribution systems.
- P1 Panelboard Compatibility: Intended for use with original P1 panelboards.
- QJ2 and QR2 Support: Compatible with QJ frame breaker installations.
- 10 kA Interrupt Rating: Provides fault-current protection at 240 V AC.
- Composite Construction: Offers durable mounting support and electrical insulation.
- Panelboard Integration Kit: Simplifies breaker mounting and replacement procedures.
The MBKQJ3175 delivers the reliability and precision required for panelboard breaker installation and circuit protection applications.
