Description
The Eaton Bussmann KRP-C-4000SP is a Class L time-delay, current-limiting fuse designed to protect high-capacity electrical systems operating at 600 V and 4000 A. Built for demanding power distribution environments, it offers exceptional short-circuit and overload protection with a 300 kA interrupting rating. This fuse is ideal for use in industrial mains, large feeders, and service entrance equipment where reliability and performance are critical.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Eaton Bussmann |
| Category |
Fuse |
| Part Number |
KRP-C-4000SP |
| Subcategory |
Class L Low-Voltage Time-Delay Fuse |
| Series |
KRP-C Low-Peak |
| Voltage Rating |
600 V AC |
| Current Rating |
4000 A |
| Interrupting Capacity |
300 kAIC @ 600 V AC |
| Fuse Class |
Class L |
| Response Time |
4 seconds at 500 % rated current |
| Fuse Type |
Time-Delay, Current-Limiting |
| Connection Type |
Bolted Blade End × Bolted Blade End |
| Body Material |
Melamine Glass Tube |
| Construction |
1 Barrel |
| Diameter |
5.79 in |
| Length |
10.75 in |
| Width |
5.79 in |
| Height |
5.79 in |
| Certifications |
UL 248-10, CSA 1422-02, RoHS Compliant, CE Marked |
| Country of Origin |
Mexico |
| Weight |
22.15 lb |
Information About KRP-C-4000SP
The KRP-C-4000SP is part of Eaton’s Bussmann KRP-C Low-Peak Series, known for its high interrupting capacity and selective coordination in low-voltage circuits. It features a bolted blade-end connection for secure installation and a melamine glass tube body for superior mechanical strength and heat resistance. Engineered to meet UL 248-10, CSA, and CE standards, this fuse ensures compliance with international electrical safety requirements. The KRP-C-4000SP provides excellent time-delay performance, allowing temporary overloads without nuisance tripping while maintaining dependable short-circuit protection.
Key Features:
- Voltage Rating: 600 V AC — Designed for low-voltage power distribution and high-capacity systems.
- Current Rating: 4000 A — Handles heavy electrical loads for industrial and commercial applications.
- Interrupting Capacity: 300 kAIC — Ensures maximum protection under severe fault conditions.
- Time-Delay Design: Allows safe startup of motors and transformers without premature opening.
- Connection Type: Bolted blade ends provide a secure and vibration-resistant installation.
- Body Material: Melamine glass tube construction ensures durability and thermal stability.
- Standards Compliance: Meets UL 248-10, CSA 1422-02, RoHS, and CE requirements.
- Non-Indicating Style: Simplifies design where visual fuse indication is not required.
The KRP-C-4000SP delivers the reliability and precision required for safe, high-performance protection of low-voltage electrical power systems.
