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Mersen 600A Class H/K Fuse Block, Copper Box In-Line Clip
The Mersen Class H/K Fuse Block is engineered to accommodate Class H and K power fuses rated 250VAC and 250VDC, with a maximum fuse rating of 600A for demanding industrial and commercial circuits. Built with copper box terminals and tin-plated copper in-line clips, this fuse block delivers reliable, low-resistance connections for stranded or solid copper wire. A 50kA short circuit current rating (SCCR) and phenolic insulating body with dielectric strength verified in excess of 2500V make this block suited for rugged, code-compliant power distribution applications.
Key Features
- Max Fuse Rating: 600A ampere rating for high-capacity circuit protection.
- Rated Voltage: 250V AC and 250V DC per UL, supporting both AC and DC power systems.
- Connection/Terminal Type: Copper box terminals with tin-plated copper in-line clips for durable, corrosion-resistant connections.
- Wiring Range: Accommodates (2) 500 MCM-#4 stranded or solid copper wire.
- Fuse Installation Method: Clip-in style; clips 100A and above are spring reinforced for a secure fuse seat.
- Short Circuit Current Rating: 50kA SCCR for demanding fault-current environments.
- Body/Insulating Material: Phenolic insulation with dielectric strength verified in excess of 2500V.
- Torque Rating: 375 lb-in for direct screw mount installation.
Certifications & Compliance
- Rated Voltage AC and DC per UL
- RoHS Compliant
Technical Specifications
- ROHS Compliant: Yes
- Fuse Type/Class: Class H/K
- Frequency: 50/60 Hz
- AC or DC: AC/DC
- Installation Mounting: Direct Screw Mount
- Packaging: 1 EA
Typical Applications
- Industrial and Commercial Power Distribution Panels
- Fuse Panel and Disconnect Switch Assemblies
- Motor Control Center Circuit Protection
- 250V AC/DC Class H/K Fuse Mounting Systems
- Renovation and New Construction Electrical Rooms
Why Mersen?
Mersen fuse blocks combine tin-plated copper box terminals, phenolic insulation, and a 50kA short circuit current rating to deliver dependable, code-compliant power protection. With UL-rated 250V AC/DC performance and RoHS compliant construction, this fuse block is built for reliable long-term performance in demanding electrical distribution applications.
Manufacturer Resources
Product Specs
- Rated voltage AC UL:
- 250 V
- Wiring range:
- (2) 500 MCM-#4
- Fuse Type/Class:
- Class H/K
- Short Circuit Current Rating (SCCR):
- 50 kA
- Installation Mounting:
- Direct Screw Mount
- Max Fuse Rating:
- 600 A
- Fuse Class:
- Class H/K
- Connection/Terminal Type:
- Copper Box
- Connection/Terminal Material:
- Tin-Plated Copper
- Torque Rating:
- 375 lb-in
- Ampere Rating:
- 600 A
- ROHS Compliant:
- Yes
- Frequency (Hz):
- 50/60 Hz
- AC or DC:
- AC/DC
- Fuse Installation Method:
- Clip-in
- Rated voltage DC UL:
- 250 V
- Body/Insulating Material:
- Phenolic
- list_batch:
- MERSEN-20260825
- Department:
- Electrical
- Product Group:
- Wiring Devices
- Product Type:
- Fuse Block