Littelfuse HCD Series Contactors
Littelfuse HCD Series Definite Purpose Contactors consist of 3-pole models from 50A through 120A. HCD contactors offer termination options including combo screws, screws with pressure plates, or lugs to meet a broad range of system needs. Acting as an on/off switch controlled by thermostats, these contactors are designed with consistent silver thickness for increased product life, making them ideal for the demands of a broad range of applications like food and beverage industries, lighting, welding, and water treatment plants.
Features
- Double E magnet assembly:
- For optimal performance with reduced power use
- Movable contacts with heavy-duty silver cadmium oxide:
- To help extend the life of the product
- One-piece terminal design meets NEMA standards:
- Allowing spacing without insulated terminals
- Optional auxiliary switches:
- Designed for use with 3-pole and 4-pole contactors
- Termination options include combo screw, screw with pressure plate, or lug:
- To meet a broad range of system needs
- Universal mounting configuration:
- Helps streamline installation
Applications
- Food and beverage
- HVAC/R
- Lighting
- Water/Wastewater
- Welding
Technical Specifications
| Parameters | Values |
|---|---|
| Initial dielectric strength | 2200VAC |
| Insulation system | 130°C Class B |
| Unit weight | 50–60 FLA: 32oz 75–90 FLA: 64oz |
| Power pole terminations | Aluminum Box Lug |
| Wire size | 50–60 FLA: Box Lug 14–2 75–90 FLA: Box Lug 14–1 |
| Operating temperature range | -40°C to +65°C |