JKS-60
60A 600V Class J fast-acting fuse with 200kA breaking capacity for feeder circuit protection in industrial applications.
Product Overview
Description
The JKS-60 is a high-performance Class J fuse designed for feeder circuit protection in industrial applications.
With 600V rating and 60A current capacity, this fuse provides reliable protection for larger feeders and sub-panels.
The 200kA breaking capacity ensures safe interruption of severe fault currents.
Product Series
JKS
Primary Application
Feeder circuit protection
Key Features
- 600V rating for industrial applications
- 200kA breaking capacity
- Space-efficient Class J design
- Fast-acting for feeder circuit protection
- High-visibility blown fuse indicator
- UL Listed and CSA Certified
Specifications
| Voltage Rating | 600V AC |
|---|---|
| Current Rating | 60A |
| Breaking Capacity | 200kA AC |
| Class | J |
| Time-Current | Fast-acting |
| Size | Compact Class J |
| Standards | UL 248-8, CSA C22.2 |
Applications
Feeder circuit protection
Electronic system design
Sub-panel protection
Electronic system design
Branch circuit protection
Electronic system design
Industrial distribution
Industrial automation and control
HVAC equipment
Electronic system design
Motor control centers
Motor drive and control systems
FAE Expert Insights
"The JKS-60 is an excellent choice for feeder protection in industrial distribution systems. At 60A, it handles larger loads while maintaining the compact Class J footprint. I frequently recommend this fuse for sub-panel feeders and motor control center applications. The 200kA breaking capacity provides excellent safety margin for most industrial systems. The fast-acting characteristic ensures quick clearing of faults to minimize equipment damage. Bussmann's consistent manufacturing quality means reliable performance across the full temperature range. For feeder circuits up to 60A, this fuse offers the ideal combination of performance, size, and cost-effectiveness."
Reliable feeder protection with compact Class J design and high breaking capacity
— Robert Chen, BeiLuo
Frequently Asked Questions
What is the difference between JKS-30 and JKS-60?
The JKS-30 is rated for 30A continuous current, suitable for smaller branch circuits. The JKS-60 handles 60A for larger feeders and sub-panels. Both have the same 600V rating, 200kA breaking capacity, and Class J dimensions. Select based on your circuit ampacity requirements.
Select JKS-30 for branch circuits up to 30A. Select JKS-60 for feeders up to 60A.
Can JKS-60 be used for motor protection?
The JKS-60 is a fast-acting fuse designed for feeder and branch circuit protection, not motor circuits. For motor protection, use Class RK time-delay fuses that can handle motor starting currents without nuisance opening.
Use Class RK fuses for motor circuits. Use JKS for feeders and branch circuits only.
What panel space is required for JKS-60?
Class J fuses have a compact design. The JKS-60 requires the same mounting space as other Class J fuses - approximately 2.5 inches length with 0.8 inches diameter. This compact size allows more fuses in limited panel space compared to Class RK fuses.
Verify fuse block compatibility and panel space before installation.
What is the temperature rating of JKS-60?
The JKS-60 is rated for -40C to +125C ambient temperature. Above 85C ambient, current derating may be required. Consult the datasheet for specific derating curves based on ambient temperature and cooling conditions.
Verify operating temperature range. Apply derating for high ambient temperatures.
How do I coordinate JKS-60 with upstream protection?
For selective coordination, the upstream device should have adequate time-current separation from the JKS-60. Consult Bussmann coordination tables to verify that upstream breakers or fuses coordinate properly with the JKS-60 time-current characteristics.
Use Bussmann coordination tables to verify selective coordination with upstream devices.