The 3RH1911-1FA31 is a high-performance auxiliary contact block designed for low-voltage control circuit applications. It is widely used to expand the contact capacity of contactors and relays, providing reliable signal switching and control circuit extension for industrial automation systems. This auxiliary contact features stable contact performance, long service life and easy installation, making it an ideal choice for industrial electrical system maintenance and upgrade.
| Parameter | Value |
|---|---|
| Model Number | 3RH1911-1FA31 |
| Product Type | Auxiliary Contact Block |
| Contact Configuration | 1NO + 1NC |
| Rated Voltage (AC) | Up to 690V |
| Rated Current (AC-12) | 10A |
| Mounting Type | Front Mounting, Snap-on |
| Housing Material | Flame-retardant Engineering Plastic |
| Contact Material | Silver Alloy |
The 3RH1911-1FA31 auxiliary contact is widely used in various industrial fields, including but not limited to: industrial automation control systems, motor control centers, low-voltage power distribution cabinets, manufacturing production lines, HVAC control systems, water treatment equipment, and packaging machinery. It is suitable for expanding contact points of contactors and relays, and is an essential component for control circuit signal transmission and interlock protection.