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The Model 261 series Alternating Relay is designed for duplex pumping systems where it is desirable to equalize pump run time. The solid-state alternating circuit drives an internal electromechanical relay. A continuous power source and control switch are required. The control switch (float, pressure or other isolated contact) is connected between the L1 terminal and the control terminal. Each time the control switch is opened the output contacts will change states. Indicator lights on the case show the internal relay status. On the optional toggle switch versions, the toggle switch is set to the ALTERNATE position. Setting the switch to Load 1 or Load 2 will lock the relay in position, preventing alternation.
o Solid-state Reliability
o Heavy-duty Contact Rating
o Optional Load 1-Load 2 Toggle
o UL Recognized; CSA Certified
The Model 21 series comes in voltages ratings of 12VDC or 24V, 120V or 240V AC/DC. All voltages are available with single pols, double pole, or double pole x-wired relay poles. All models are also available with a toggle switch that allows the use to choose between NORMAL, Load 1 and Load 2 settings.
| Certifications | |
|---|---|
| Contacts | DPDT |
| Mount | 11-Pin |
| Voltage Range |
