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The Macromatic SFP240A100 is a pump seal failure relay. This 8 Pin plug-in relay has an input voltage of 240V. It is a single channel relay made to check for leaks in submersible pump seals and has an output of 10A SPDT. The sensitivity is adjustable using the low profile adjustment knob. The single channel feature indicates that the relay detects leaks for a single pump. The SFP240A100 has an LED indicator that is red when the unit senses a leak. It stays green as long as there is no leak. It uses an 8 pin 70169-D octal socket.
Note: Image is an approximation, actual part may differ
Specifications
- Relay Function- Pump Seal Failure, Single Channel
- Input Voltage- 240V AC
- Output- 10A SPDT
- Sensitivity Range- 4.7K to 100K Ohm
- Voltage Tolerance- +10/-15% of nominal
- Load- 3VA
- Probe Voltage- 5V DC Pulsed
- Operating Temperature- -28 C to 65 C (-18 F to 149 F)
- Storage Temperature- -40 C to 85 C (-40 F to 185 F)
- Output Contacts- 10A @ 240V AC / 7A @ 28V DC, 1/4 HP @ 120V AC (N.O.)
- Life- Mechanical: 10,000,000 Operations, Full Load: 100,000 Operations
- Response Time- Pick up: 1 sec, Drop out: 1 sec
- Dimensions- 2.4" Height x 1.7" Width x 3" Depth
- Approvals- UL and CUL Recognized, CE, UL & CUL Listed (with Socket)
The resistance is measured by a probe that is inserted in the pump seal cavity. In the event of a leak, resistance between the probe and the connection is lowered by contaminating fluid that goes into the seal cavity. The relay energizes when the resistance goes below the preset sensitivity point.
Macromatic SFP Series Relay Installation Instructions
240V Pump Seal Failure Relay SFP240A100
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