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SFP Series Pump Seal Failure Relays are designed to monitor the shaft seals of submersible pumps. A resistive-measuring probe is installed in the pump seal cavity. If the seal starts to leak, contaminating fluid enters the seal cavity, which lowers the resistance between the internal probe and the common connection. When the resistance drops below the user-adjustable sensitivity set-point of the relay, the output relay energizes and the LED turns ON. The relay output can be used to give an alarm indication of a leaking seal. These products will automatically reset when the fault condition clears. Features:

Monitors Shaft Seals of Submersible Pumps for Leakage

Single-Channel Monitors One Pump

Knob Adjustable Sensitivity Range Specifications:

4.7-100 kΩ Sensitivity Range

10 A @ 240 VAC, SPDT or DPDT

Temperature: –28°C to +65°C

Dimensions: 1.7" D × 2.4" W × 3.2" H

Brand/Series	SFP Series
Current, Output	5 A
Input Voltage	120 VAC
Mounting Type	Socket
Number of Pins	11
Power Dissipation	2 VA
Relay Type	Electromechanical
Standards	cRUus | UL Listed
Temperature, Operating, Maximum	65 °C
Temperature, Operating, Minimum	–28 °C
Termination	8-Pin Octal
Voltage, Control	120 VAC
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Brand/Series SFP Series  Macromatic Brand/Series SFP Series  Relay Brand/Series SFP Series  Macromatic Relay Brand/Series SFP Series   Current, Output 5 A  Macromatic Current, Output 5 A  Relay Current, Output 5 A  Macromatic Relay Current, Output 5 A   Input Voltage 120 VAC  Macromatic Input Voltage 120 VAC  Relay Input Voltage 120 VAC  Macromatic Relay Input Voltage 120 VAC   Mounting Type Socket  Macromatic Mounting Type Socket  Relay Mounting Type Socket  Macromatic Relay Mounting Type Socket   Number of Pins 11  Macromatic Number of Pins 11  Relay Number of Pins 11  Macromatic Relay Number of Pins 11   Power Dissipation 2 VA  Macromatic Power Dissipation 2 VA  Relay Power Dissipation 2 VA  Macromatic Relay Power Dissipation 2 VA   Relay Type Electromechanical  Macromatic Relay Type Electromechanical  Relay Relay Type Electromechanical  Macromatic Relay Relay Type Electromechanical   Standards cRUus | UL Listed  Macromatic Standards cRUus | UL Listed  Relay Standards cRUus | UL Listed  Macromatic Relay Standards cRUus | UL Listed   Temperature, Operating, Maximum 65 °C  Macromatic Temperature, Operating, Maximum 65 °C  Relay Temperature, Operating, Maximum 65 °C  Macromatic Relay Temperature, Operating, Maximum 65 °C   Temperature, Operating, Minimum –28 °C  Macromatic Temperature, Operating, Minimum –28 °C  Relay Temperature, Operating, Minimum –28 °C  Macromatic Relay Temperature, Operating, Minimum –28 °C   Termination 8-Pin Octal  Macromatic Termination 8-Pin Octal  Relay Termination 8-Pin Octal  Macromatic Relay Termination 8-Pin Octal   Voltage, Control 120 VAC  Macromatic Voltage, Control 120 VAC  Relay Voltage, Control 120 VAC  Macromatic Relay Voltage, Control 120 VAC