Power Distribution: Micro-Relay: Description
| 30 - COMMON FEED | |
| 85 - COIL GROUND | |
| 86 - COIL BATTERY | |
| 87 - NORMALLY OPEN | |
| 87A - NORMALLY CLOSED |
A micro-relay is a conventional International Standards Organization (ISO) micro relay. See Fig 1. Relays conforming to the ISO specifications have common physical dimensions, current capacities, terminal patterns, and terminal functions. The relay is contained within a small, rectangular, molded plastic housing and is connected to all of the required inputs and outputs by five integral male spade-type terminals that extend from the bottom of the relay base.
Relays cannot be adjusted or repaired and, if faulty or damaged, the unit must be replaced.