HMA Hinged Armature Auxiliary Relay
The Type HMA relay is an instantaneous auxiliary device whose contacts are opened and closed by the movement of a hinged armature.
Type HMA Century Series auxiliary relays are designed to provide additional contacts, higher contact carrying and interrupting ratings, timing, interlocking, electrical separation and other auxiliary functions.
The Century Series coil design provides longer operating life than previous designs as a result of changes in the entire coil insulation system.
Features and Benefits
- Front or back connected
- Molded Textolite case
Applications
- Contact multiplication
Protection and Control
- High speed pickup
- Self-resetting
Supply for the following models remain available:
- HMA11A – back connected relay supplied with cover
- HMA11B – front connected relay supplied without cover
Manufacturing for the following models has been discontinued:
- HMA124-Manufacturing for HMA124 has been discontinued. As an alternative, please refer to the HMA11.
- HMA125-Manufacturing for HMA125 has been discontinued. As an alternative, please refer to the HMA11.
HMA Hinged Armature Auxiliary Relay
The Type HMA relay is an instantaneous auxiliary device whose contacts are opened and closed by the movement of a hinged armature.
Type HMA Century Series auxiliary relays are designed to provide additional contacts, higher contact carrying and interrupting ratings, timing, interlocking, electrical separation and other auxiliary functions.
The Century Series coil design provides longer operating life than previous designs as a result of changes in the entire coil insulation system.
Features and Benefits
- Front or back connected
- Molded Textolite case
Applications
- Contact multiplication
Protection and Control
- High speed pickup
- Self-resetting
Supply for the following models remain available:
- HMA11A – back connected relay supplied with cover
- HMA11B – front connected relay supplied without cover
Manufacturing for the following models has been discontinued:
- HMA124-Manufacturing for HMA124 has been discontinued. As an alternative, please refer to the HMA11.
- HMA125-Manufacturing for HMA125 has been discontinued. As an alternative, please refer to the HMA11.
