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To ensure accuracy, please note that images may be representative. Refer to the product data sheet for detailed specifications.
| Manufacturer | TimeMark |
| Manufacturer Product Number | 261-ST-12 |
| Description | Alternating Relay; Duplex; 1C SPDT; 12V AC/DC; 10 A at 120 V AC resistive |
| Datasheet | Download Datasheet |
The TimeMark 261-ST-12 is a duplex alternating relay for a 12 V AC/DC supply. Each time its control switch opens the output transfers to the other load, so two pumps or compressors share the run time evenly.
Inputs: one isolated control switch (float, pressure) from L1 to the control terminal. Selector switch: three-position toggle: NORMAL alternation, or lock LOAD 1 or LOAD 2. Supply tolerance: 10-14V (max 15V).
Output: 1C SPDT, 10 A at 120 V AC resistive. Mounting: plug-in, on an 8-pin octal (TimeMark 51X120 socket) base. Indicator: lights on the case show the relay state. Approvals: UL Recognized, CSA Certified. It operates from -29 to +60 °C.
| Category | |
| Manufacturer | TimeMark |
| Model | 261 |
| Alternating Function | Duplex |
| Number of Loads | 2 |
| Control Inputs | One isolated control switch (float, pressure) from L1 to the control terminal |
| Selector Switch | Yes -- three-position toggle: NORMAL alternation, or lock LOAD 1 or LOAD 2 |
| Input Voltage | 12V AC/DC |
| Input Operating Range | 10-14V (max 15V) |
| Contact Configuration | 1C SPDT |
| Output Rating | 10 A at 120 V AC resistive |
| Number of Poles | 1 |
| Status Indicator | lights on the case show the relay state |
| Mounting Type | Socketable |
| Termination Style | Plug In, 8 Pin (Octal) |
| Socket Family | 8 Pin Octal (TimeMark 51X120 socket) |
| Dimensions | 3.77" overall length (3.23" body) x 1.95" x 1.95"; add 3/4" (0.75) for toggle clearance |
| Operating Temperature (°C) | -29...+60 |
| Approvals | UL Recognized, CSA Certified |