IND-500-250A
500V AC/DC 250A gG industrial fuse for high-current distribution and motor protection.
Product Overview
Description
The IND-500-250A is a high-current industrial fuse designed for demanding power distribution and large motor protection applications.
With 250A rating and NH2 size, this fuse handles high-power industrial loads while providing reliable protection.
The 500V rating covers standard industrial voltages up to 480V systems.
Product Series
IND
Primary Application
Large motor protection (110-132kW)
Key Features
- 500V AC/DC rating for versatile applications
- High 250A current rating
- gG full-range protection
- 100kA breaking capacity
- NH2 size for high-current applications
- Suitable for large motors and distribution
Specifications
| Voltage Rating | 500V AC / 500V DC |
|---|---|
| Current Rating | 250A |
| Breaking Capacity | 100kA @ 500V AC/DC |
| Size | NH2 (size 2) |
| Mounting | NH fuse base or switch |
| Operating Temperature | -40°C to +85°C |
| Time-Current | gG full range |
| Standards | IEC 60269-1, UL 248-12 |
Applications
Large motor protection (110-132kW)
Motor drive and control systems
Main power distribution
Electronic system design
Transformer protection
Electronic system design
High-current DC systems
Electronic system design
Industrial switchgear
Industrial automation and control
FAE Expert Insights
"The IND-500-250A handles the high currents needed for large industrial motors and distribution. The NH2 size provides the thermal mass needed for 250A continuous operation. I use this fuse for main distribution panels and large motor protection (110kW+). The 500V rating covers standard 480V industrial systems. The equal AC/DC rating is useful for applications with both power types. The 100kA breaking capacity handles high fault currents in industrial environments."
High-current 250A fuse for large motors and main distribution
— Michael Zhang, BeiLuo
Frequently Asked Questions
When should I use NH2 vs NH1 size fuses?
NH size selection: NH00 (00) - up to 100A, compact size; NH0 (0) - up to 160A; NH1 (1) - up to 250A, most common industrial size; NH2 (2) - up to 400A; NH3 (3) - up to 630A. Select based on current rating and physical space. NH1 is most common and cost-effective for 100-250A. NH2 required for >250A. Consider: 1) Current requirement; 2) Available space; 3) Fuse base compatibility; 4) Cost - larger sizes cost more.
Use NH1 for 100-250A (most common). Use NH2 for >250A. Match fuse base to fuse size.