Relays and Contactors

KRDM Series

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Product Bar End

KRDM Series

Solid State Delay-on-Make Timers KRDM Series

Solid State Delay-on-Make Timers


The KRDM Series is a compact time delay relay measuring only 2 in. (50.8 mm) square. Its solidstate timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock, vibration, and humidity. The KRDM Series is a cost effective approach for OEM applications that require small size, isolation, reliability, and long life.


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QtyModelDescriptionIn StockList PriceInternet Price
KRDM221 DOM 24VAC/DC 10A SPDT ADJ 1-100 SECONDSINFO163.0091.28
KRDM421 DOM 120VAC 10A SPDT ADJ 1-100 SECONDSINFO161.0090.16
KRPSA24M DELAYONMAKE 24-240VAC/DC, 10A RLY, ADJ 0.1-10 MININFO196.00109.76
P1023-20 DIN RAIL MOUNTINGINFO151.9085.06
P1023-6 MOUNTING BRACKET (#8 SCREW)INFO152.1085.18


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  • Compact time delay relay
  • 10A, SPDT output contacts
  • ±0.5% repeat accurcy
  • ±0.5% factory calibration
  • UR File #57310

Operating Humidity: 95% RH non-condensing

Operating Temperature:

KRDM:-40° to 140℉ (-40° to 60℃)

KRPS:-4° to 140℉ (-20° to 60℃)

TMV8000:-4 to 158℉ (-20 to 70℃)

Storage Temperature:

KRDM/KRPS: -40° to 185℉ (-40° to 85℃)

TMV8000:-22 to 185℉ (-30 to 85℃)

Mounting:Surface mount with one #10 screw

Dimensions: 2″W x 2″H x 1.21″D (5.08 x 5.08 x 3.07 cm)

Approvals:CE, CSA, UR File #E57310

Warranty:10 years