Description
The Mersen 60305 is a 30A Class H/K fuse block adder designed to expand compatible fuse block assemblies with an additional pole while providing reliable fuse mounting and overcurrent protection. Rated for 600V AC and 600V DC, this adder block features a reinforced high-conductivity tin-plated copper fuse clip and a glass-filled polycarbonate insulating body for dependable performance. Its direct screw mounting and clip-in fuse installation make it a practical solution for building segmented multi-pole fuse block assemblies.
Key Features
- 30A Class H/K Fuse Block Adder: Designed to add an additional fuse position to compatible Class H/K fuse block assemblies.
- 600V AC/DC Rating: Suitable for electrical systems rated up to 600V AC and 600V DC.
- Reinforced Fuse Clip: Features a spring-reinforced, high-conductivity tin-plated copper clip for secure fuse contact.
- 50 kA SCCR: Provides a short-circuit current rating of 50 kA for high fault-current applications.
- Segmented Block Design: Can be combined with compatible 1-, 2-, or 3-pole fuse blocks to create multi-pole assemblies.
- Durable Insulation: Features a glass-filled polycarbonate body with high dielectric strength.
- Direct Screw Mounting: Designed for secure installation directly to the mounting surface.
- Clip-In Fuse Installation: Allows compatible Class H, K, and R fuses to be securely installed into the reinforced fuse clip.
Specifications
| Technical Specification | Details |
|---|---|
| Product Series | Class H/K 600V Fuseholders – Class H, K |
| Item Number | 60305 |
| Ampere Rating | 30 A |
| Rated Voltage AC UL | 600 V AC |
| Rated Voltage DC UL | 600 V DC |
| Frequency | 50/60 Hz |
| Fuse Class | Class H/K |
| Number of Poles | Adder |
| Fuse Installation Method | Clip-In |
| Short Circuit Current Rating (SCCR) | 50 kA |
| Max Fuse Rating | 30 A |
| Installation Mounting | Direct Screw Mount |
| Torque Rating | 3.95 N·m |
| Product Width | 1.46″ |
| Product Length | 7.00″ |
| Product Height | 2.00″ |
| Product Weight | 0.25 lbs |
| Body/Insulating Material | Glass-Filled Polycarbonate |
| RoHS Compliant | Yes |
| AC or DC | AC/DC |
| Product Group | Fuse Bases |






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