Fusible Disconnect Switches
Telergon M3 fusible disconnect switches combine load-break switching and circuit isolation with Class J fuse protection for industrial and commercial AC applications. The U.S. range covers 30A, 60A, 100A, and 200A at 600VAC, with 3-pole and 3-pole + switched-neutral configurations. Products are designed to UL 98, CSA C22.2 No. 4, and IEC 60947-3, with short-circuit ratings up to 200 kA when applied as specified.
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Key Features
- 30A to 200A rated current
- 600VAC rated voltage
- Class J fuse configurations
- Up to 200 kA SCCR at 600V
- 3-pole and 3-pole + switched-neutral configurations
- Direct and through-the-door operating options
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- NEMA / UL Type 4X external handle options
Technical Overview
Fusible disconnect switches combine load-break switching and isolation with fuse-based overcurrent and short-circuit protection. The disconnect provides the switching and isolation function, while the installed Class J fuses provide circuit protection.Telergon’s M3 range is designed for applications requiring a compact, manually operated fusible disconnect with SCCR ratings up to 200 kA.
Applications
Fusible disconnect switches are widely used in:
Industrial control panels
Power distribution equipment
Machinery and motor circuits
HVAC and building systems
OEM equipment requiring fusible disconnect protection
Compliance & Standards
- UL 98
- CSA C22.2 No. 4
- IEC 60947-3
- UL Guide WHTY, File E363652
- NEMA / UL Type 4X external operator handles available
Why Choose Telergon?
- Proven performance in demanding industrial environments
- UL 98 Listed solutions for U.S. applications
- Local U.S. presence for faster support, stocking, and distribution
- Competitive alternative to ABB, Eaton, and Socomec solutions
- Backed by Gorlan Group’s global expertise in switching solutions
Looking for fusible disconnect switches for your next project?
Contact Telergon for technical support, pricing, and fast delivery across North America.
Our Key Solutions
How can we assist?
For product inquiries, technical support, or distributor information, please use the contact form or call us at +1 470 912 3421.