SFP120A250
Macromatic Protection Relays, SFP Series

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SFP120A250 Macromatic Protection Relays, SFP Series
PUMP SEAL FAILURE RELAY, 120V
MFG Item Number
SFP120A250
Macromatic
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Product images are for illustration purposes only. Please review specifications and documentation for exact product details.

SFP120A250 Macromatic Protection Relays, SFP Series

PUMP SEAL FAILURE RELAY, 120V
MFG Item Number
SFP120A250
Macromatic
Series
SFP
More specs
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Description

Protection Relays, SFP Series
Item #
SFP120A250
PUMP SEAL FAILURE RELAY, 120V

SFP Series Information

  • Monitors Submersible Pump Seals and Leakage
  • Single or Dual Channel for Monitoring 1 or 2 Pumps
  • Three Adjustable Sensitivity Ranges
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, lowering the resistance between the internal probe & the common connection. When the resistance drops below the user‑adjustable sensitivity set‑point of the relay, the output relay energizes & 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.
  • Optional Fixed Sensitivity Setting Available
  • Optional Low‑Profile Adjustment Knob
  • Uses industry‑standard 8 & 11 pin octal sockets

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Specifications

Specifications
Manufacturer Part Number SFP120A250
Manufacturer Macromatic
Product Series SFP
Family Series Macromatic Protection Relays, SFP Series
Description PUMP SEAL FAILURE RELAY, 120V SINGLE CHANNEL, 1K-250K ohms
Phase 1
Voltage 120 V, 240 V, 28 V
Line Voltage 120 V
Current Rating 10 A
Hi Pwr (Over Vltg) Trip No
Variable Point Trip No
Var Restart Delay No
Manual Reset No
Type of Display LED Status Indicator
Mounting Plug-In
Output Relay SPDT
Approvals cURus, UL
Comments Mechanical: 10,000,000 operations, Full Load: 100,000 operations
H x W x D 1.75 " x 2.30 " x 3.45 "
Net Weight 0.35 lbs
Gross Weight 0.395 lbs