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Transparent octal-base relay with rotary knob and LED indicator, 2.9 by 2.33 inches

Macromatic

Macromatic SFP120C100 Pump Seal Failure Relay 120VAC 2-SPNO

SKU CH-FAGD-3EAK7

Monitors pump seals with dual-channel 120 V AC relay, adjustable 700 to 100 000 ohm sensitivity and LED status indication

  • Product typeIndustrial Electrical Controls & Automation
  • Product colorTransparent
  • Monitors pump seals with adjustable sensitivity from 700 to 100,000 ohm
  • Dual-channel design provides two SPST-NO contacts for independent circuit control
  • 120 V AC input voltage suits standard industrial power supplies
  • LED status indicator gives immediate visual confirmation of relay state
  • Plug-in octal base with 8-pin terminal enables quick installation and replacement

Industrial Pump Seal Failure Relay

The Macromatic SFP120C100 monitors pump seal integrity in industrial automation systems. It detects leakage by measuring resistance between 700 ohm and 100,000 ohm. Dual SPST-NO channels provide separate alert circuits for each monitored seal. The plug-in octal base mounts quickly in standard control panels.

Thermals Noise and Power Draw

The relay operates on 120V AC input with contacts rated for 5 A at 240V AC or 5 A at 28V DC. An LED status indicator shows seal condition without additional wiring. Rotary knob adjustment sets the sensitivity threshold for the specific application. Solid-state sensing generates minimal heat during continuous monitoring duty.

Build Integration Requirements

The 8-pin terminal connection fits standard octal sockets for panel or DIN-rail mounting. Body dimensions of 2.9 in depth and 2.33 in height allow installation in crowded enclosures. Transparent housing permits visual inspection of internal components. No auxiliary power supply is needed beyond the monitored 120V AC control circuit.

How it compares

Measured against everything we stock in AV Accessories & Components, at today’s prices. Recalculated every night.

Price $80.99
Pricier than about 70% of the 3,838 comparable items (median $41.99).

Specifications

Product
Brand nameMACROMATIC
Product typeIndustrial Electrical Controls & Automation
Product colorTransparent

Questions about this item

How is the Macromatic SFP120C100 relay installed and which step is often missed?

Plug the 8-pin octal base into a matching socket and set the sensitivity with the rotary knob; the step often missed is verifying the seal-loop resistance falls between 700 ohm and 100, 000 ohm before commissioning.

What maintenance or replacement will the relay need later?

The LED status indicator shows seal-leakage trips; if the output contacts exceed 5 A at 240 V AC or 5 A at 28 V DC they can weld, requiring full relay replacement.

What limit appears first during sustained operation?

Continuous load must stay at or below 5 A per channel at 240 V AC or 28 V DC; exceeding this contact rating is the first constraint under sustained use.

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