Littelfuse KRPDD2121MB, KRPD Series, 12-48VDC, Off-Delay, On-Delay Time Delay Relay SPDT (1 Form C) 0.1 Sec ~ 10 Sec Delay 10A @ 125VAC Chassis Mount
Regular price
$173.27
⚠️ IMPORT NOTICE
FOR ALL ORDERS OUTSIDE CANADA, CUSTOMERS ARE RESPONSIBLE FOR ANY IMPORT DUTIES, TARIFFS, TAXES, AND CUSTOMS FEES THAT MAY APPLY TO THEIR ORDERS.
FOR ALL ORDERS OUTSIDE CANADA, CUSTOMERS ARE RESPONSIBLE FOR ANY IMPORT DUTIES, TARIFFS, TAXES, AND CUSTOMS FEES THAT MAY APPLY TO THEIR ORDERS.
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The KRPD Series is a factory programmed time delay relay available with 1 of 12 standard dual functions. The time delays can be factory fixed, onboard or externally adjustable or a combination of fixed and adjustable. The SPDT output relay contacts offer a full 10A rating with complete isolation. Its microcontroller timing circuit provides excellent repeat accuracy and stability. Encapsulation protects against shock, vibration, and humidity. The KRPD Series is a cost effective approach for OEM applications that require small size, isolation, accuracy and long life.
Pre-order 6-8 Weeks
Specifications
| Time Delay | |
| Range | 0.1s - 1000h in 9 adjustable ranges or fixed (to 999) |
| Type | Microcontroller circuitry |
| Repeat Accuracy | ±0.5% or 20ms, whichever is greater |
| Tolerance (Factory Calibration) | ≤ ±2% |
| Reset Time | ≤ 150ms |
| Initiate Time | ≤ 40ms; 750 operations per minute |
| Time Delay vs Temp. & Voltage | ≤ ±2% |
| Input | |
| Voltage | 12 to 48VDC; 24 to 240VAC/DC |
| Tolerance |
12 to 48VDC -15% - 20% 24 to 240VAC/DC -20% - 10% |
| AC Line Frequency/DC Ripple | 50/60 Hz / ≤ 10% |
| Power Consumption | AC ≤ 2VA; DC ≤ 2W |
| Output | |
| Type | Isolated relay contacts |
| Form | SPDT |
| Rating (at 40°C) |
10A resistive @ 125VAC; 5A resistive @ 230VAC & 28VDC; 1/4 hp @ 125VAC |
| Max. Switching Voltage | 250VAC |
| Life (Operations) | Mechanical - 1 x 10⁷ ; Electrical - 1 x 10⁵ |
| Protection | |
| Polarity | DC units are reverse polarity protected |
| Circuitry | Encapsulated |
| Isolation Voltage | ≥ 1500V RMS input to output |
| Insulation Resistance | ≥ 100 MΩ |
| Mechanical | |
| Mounting | Surface mount with one #10 (M5 x 0.8) screw |
| Dimensions |
H 50.8 mm (2”) W 50.8 mm (2”) D 30.7 mm (1.21”) |
| Termination | 0.25 in. (6.35 mm) male quick connects |
| Environmental | |
| Operating/Storage Temperature | -40° to 60°C / -40° to 85°C |
| Humidity | 95% relative, non-condensing |
| Weight | ≅ 2.6 oz (74 g) |