The Model 412 Automatic Reverse Controller is a current sensor designed to detect jamming of sewage grinders, and to initiate the reversing of the grinder. This controller allows the selection of up to 5 forward/ reverse cycles, and provides for an alarm output if the number of cycles is exceeded.
The current loop inputs are designed for direct connection of 10 amps at 240VAC, or 5 amps at 480VAC (up to 2 hp motors). For higher currents, a current transformer (CT) must be used (CT secondaries are connected to the 5 amp terminals, regardless of voltage).
A push-button is used to simulate an over-current condition and to test the relay contacts and alarm. A current level adjustment is used to optimize the trip point setting. LED indicators show the running direction of the motor and the alarm condition.
| Document | File Type | File Size | Download |
| Model 412 Datasheet | 390 KB |  |
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