KRDM Series - Delay On Make Timer

Littelfuse Delay on Make Relays
The KRDM Series is a compact time delay relay measuring only 2 in. (50.8 mm) square. Its solid-state 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.


Operation (Delay-on-Make)
Upon application of input voltage, the time delay begins. The output is de-energized before and during the time delay. At the end of the time delay, the output relay energizes and remains energized until input voltage is removed.
Reset: Removing input voltage resets the time delay and output.

Access specifications, certifications, check availability and order parts below

Catalog #Input
Voltage (V)
Output
Form
Storage Temperature (F/C)Time Delay RangeSample capableCompare
KRDM1110S12VDCSPDT-40° to 85°C (-40°F to 185°F)10s fixedNo
KRDM1130S12VDCSPDT-40° to 85°C (-40°F to 185°F)30s fixedNo
KRDM12012VDCSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10s onboard adjustableNo
KRDM12112VDCSPDT-40° to 85°C (-40°F to 185°F)1 - 100s onboard adjustableNo
KRDM2110M24VAC/DCSPDT-40° to 85°C (-40°F to 185°F)10m fixedNo
KRDM215M24VAC/DCSPDT-40° to 85°C (-40°F to 185°F)15m fixedNo
KRDM22024VAC/DCSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10s onboard adjustableNo
KRDM22124VAC/DCSPDT-40° to 85°C (-40°F to 185°F)1 - 100s onboard adjustableNo
KRDM22324VAC/DCSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10m onboard adjustableNo
KRDM310.2S24VDCSPDT-40° to 85°C (-40°F to 185°F)0.2s fixedNo
KRDM4110M120VACSPDT-40° to 85°C (-40°F to 185°F)10m fixedNo
KRDM4110S120VACSPDT-40° to 85°C (-40°F to 185°F)10s fixedNo
KRDM4145S120VACSPDT-40° to 85°C (-40°F to 185°F)45s fixedNo
KRDM420120VACSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10s onboard adjustableNo
KRDM421120VACSPDT-40° to 85°C (-40°F to 185°F)1 - 100s onboard adjustableNo
KRDM424120VACSPDT-40° to 85°C (-40°F to 185°F)1 - 100m onboard adjustableNo
KRDM430120VACSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10s externally adjustableNo
KRDM433120VACSPDT-40° to 85°C (-40°F to 185°F)0.1 - 10m externally adjustableNo
KRDM6115M230VACSPDT-40° to 85°C (-40°F to 185°F)15m fixedNo