The Q7800A, B is a universal wiring subbase for the 7800 SERIES Relay Modules and Expanded Annunciator (S7830A). The universal wiring subbase provides terminals for field wiring. Knife blade terminals located on the 7800 SERIES Relay Module or S7830A engage the Q7800 bifurcated contacts to make electrical connections.

Also See:

• Honeywell R7847A1082 Amplifier for 7800 SERIES Relay Modules
• Honeywell R7849A1023 Amplifier for 7800 SERIES Relay Modules
• Amplifiers for 7800 SERIES Relay Modules Datasheet

Resources:

• 7800 SERIES Datasheet