QMB3660 - 600Amp Panelboard Switch Description
QMB3660 - 600Amp Panelboard Switch
The Square D QMB3660 Panelboard Switch is a high-capacity, fusible disconnect switch engineered by Schneider Electric for demanding industrial and commercial electrical systems. This versatile, bolt-in type switch provides reliable overcurrent and short-circuit protection with a design that ensures safety, durability, and ease of maintenance. Rated for 600 amperes and 600 volts AC, the QMB3660 is built to handle substantial electrical loads while maintaining industry-leading performance.
Key Features and Benefits
- Visible Blade Design: Ensures a clear view of switch status for enhanced operator safety.
- Compact Bolt-In Type: Facilitates easy installation and removal in panelboards, reducing downtime during maintenance.
- Wide Fuse Compatibility: Accepts Class RK1 and RK5 fuses, as well as Class H, R, J, L, and 600V Class T fuses for diverse application needs.
-
Rugged Construction: Designed with glass-reinforced polyester bus supports and extruded bus bars for mechanical strength and longevity.
Technical Specifications
-
Voltage Rating: 600V AC maximum
-
Current Rating: 600 amperes
-
Number of Poles: 3
-
Fuse Type: Class RK1 & RK5 compatibility
-
Series: 1 through 4 compatibility
- Dimensions: 19.00"L x 15.00"H x 10.50"D
Material Compliance and Certifications
- UL Listed: Conforms to UL 50 and UL 67 safety standards
-
CSA Certified: Meets CSA C22.2 No. 29-1989 requirements for panelboards
Suitability
- This single-unit, fusible panelboard switch is ideal for applications requiring a robust and reliable solution for power distribution and protection. Its compact, bolt-in design makes it a perfect fit for service entrance equipment in industrial plants, commercial buildings, and other facilities demanding high interrupting capacity and operational reliability.
Specifications
- Width:19.0
- Height:26.0
- Depth:18.0
- Poles:3
- Amperes:600
- A.I.C. Rating & Volts:600
- Type:QMB
- Sub-Category:PANELBOARD SWITCH
- Approx Dimensions:19.00"L x 15.00"H x 10.50"D
- Additional Notes:3 Pole, 600 Amperes, 600 Volts A.C., Fusible Single Unit, Type QMB, Bolt-In Type Panelboard Switch. Series 1 thru 4. 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).