QMQB4032B - 400Amp Panelboard Switch
- 400 Amp
- 250 Volts AC
- 3 Pole
Purchase Options: Refurbished
QMQB4032B - 400Amp Panelboard Switch Description
QMQB4032B - 400Amp Panelboard Switch
The Federal Pacific QMQB4032B is a dependable 400 amp, 250 volt, 3-pole fusible panelboard switch built for real-world commercial and industrial electrical systems. It’s the kind of component professionals choose when they want consistent performance and straightforward operation in high-load environments. Designed with a quick-make, quick-break mechanism, this switch allows circuits to be engaged or disconnected cleanly and confidently. Its ability to accept Class RK1 and RK5 fuses gives installers flexibility when configuring or maintaining panelboard systems, making it a practical fit for many applications where reliability matters.
Key Features and Benefits
- High Interrupting Capacity helps protect electrical systems when faults occur, even in demanding installations.
- Quick-Make, Quick-Break Action supports safer switching and smoother operation during routine use or maintenance.
- Heavy-Duty Bolt-In Design provides a solid, secure fit within panelboards, helping the switch stay firmly in place over time.
- Dual Fuse Compatibility with Class RK1 and RK5 fuses makes system planning and servicing more convenient.
Technical Specifications
- Voltage Rating: 250 VAC
- Current Rating: 400 Amps
- Poles: 3
- Compatible Fuse Classes: RK1, RK5
- Dimensions (Approx.): 22.25" W x 13.75" H x 6.25" D
Material Compliance and Certifications
- UL-98 Listed, confirming the switch meets established safety and performance requirements for enclosed and dead-front switch applications.
Where It Works Best
- The QMQB4032B panelboard switch is best suited for commercial and industrial panelboards that require dependable 400-amp circuit control. It’s commonly used in facilities such as manufacturing plants, distribution centers, and large commercial buildings where electrical systems must operate safely under sustained loads. Whether part of a new installation or an upgrade to an existing setup, this switch delivers steady performance and peace of mind for professionals responsible for power distribution.
Use of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. CIRCUIT BREAKER SUPERSTORE® is an independent reseller and is not an authorized distributor, affiliate, or representative of any manufacturer. Manufacturer warranties do not apply unless expressly stated. All trademarks and registered trademarks are the property of their respective owners.
Specifications
- Width:13.75
- Height:22.5
- Depth:6.25
- Poles:3
- Amperes:400
- A.I.C. Rating & Volts:250
- Sub-Category:PANELBOARD SWITCH
- Approx Dimensions:22.25"W x 13.75"H x 6.25"D
- Additional Notes:3 Pole, 400 Amperes, 250 Volts A.C., Fusible Single Unit, Type QMQB, Bolt-in Type Panel Switch. Accepts Class RK1 & RK5 Fuses.
Returns are easy
You may return unused items within 30 days of delivery for a full refund.
FREE shipping on breaker orders over $100 and all other items with orders over $500.
CIRCUIT BREAKER SUPERSTORE® offers one to five day delivery in the United States. The variation depends on the chosen shipping speed and the warehouse location for the product(s).
Same Day Shipping
We strive to ship out your items within one business day.
In rare circumstances, CIRCUIT BREAKER SUPERSTORE® may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.
CIRCUIT BREAKER SUPERSTORE® provides a limited 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).