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The Macromatic SFP120C100 is a pump seal failure relay. This 8 Pin plug-in relay has an input voltage of 120V. This dual channel relay is made to monitor for leaks in submersible pump seals and has an output of (2) 5A SPNO. The sensitivity is adjustable and can be preset to meet the resistance level needed. The dual channel feature means that the relay can detect leaks in two separate pumps. The SFP120C100 features LEDs that are red when the unit senses a leak. They stay green if 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, Dual Channel
- Input Voltage- 120V AC
- Output- (2) 5A SPNO
- Sensitivity Range- 4.7K to 100KO
- Voltage Tolerance- +10/-15% of nominal
- Load- 3VA
- Probe Voltage- 5V DC Pulsed
- Temperature- -28 C to 65 C (-18 F to 149 F)
- Output Contacts- (2) 5A @ 240V AC / 5A @ 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, UL 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
SFP120C100 120V Dual Channel Pump Seal Failure Relay
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