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Littelfuse KRPDD2121MB Time Delay Relay
The KRPD Series is a compact, microcontroller-based time delay relay designed for OEM applications requiring high accuracy, long lifespan, and reliable control. Available with 12 standard dual functions, it features either factory fixed or adjustable time delays, full isolation SPDT contacts rated at 10A, and encapsulation to protect against shock, vibration, and humidity. Ideal for industrial automation, it offers precise timing, easy integration, and options for remote adjustment with accessories like Versa-Pot and DIN rail mounts, making it versatile for various control tasks.
Littelfuse KRPDD2121MB Time Delay Relay Specifications:
- Time Delay Range: 0.18 - 1000 hours across 9 adjustable ranges or fixed
- Repeat Accuracy: ±0.5% or 20 ms, whichever is greater
- Reset Time: < 150 ms
- Initiate Time: < 40 ms; 750 operations per minute
- Input Voltage: 12-48VDC, 24-240VAC/DC with ±15% tolerance
- AC Line Frequency: 50/60 Hz / < 10% ripple
- Power Consumption: AC < 2 VA; DC < 2 W
- Output Type: Isolated SPDT relay contacts
- Rating: 10A resistive @ 125VAC, 5A @ 230VAC & 28VDC
- Max Switching Voltage: 250VAC
- Life: 1/4 hp @ 125VAC, 1500+ cycles
- Protection: Reverse polarity protected for DC, encapsulated
- Isolation Voltage: > 1500V RMS input to output
- Resistance: > 100 Megaohms
- Mounting: Surface mount with M5 screw, DIN rail compatible
- Dimensions: H 50.8 mm, W 50.8 mm, D 30.7 mm
- Terminals: 0.25 in. (6.35 mm) male quick connects
- Operating Temp: -40°C to 60°C, Storage: -40°C to 85°C
- Humidity: 95% non-condensing
- Weight: 74g
Buy the Littelfuse KRPD2121MB – Reliable Time Delay Relay for Industrial Applications
Purchase the Littelfuse KRPD2121MB time delay relay online today and experience reliable, accurate timing control for your industrial projects. With high amperage ratings, excellent isolation, and customizable fixed or adjustable delays, this compact relay ensures your automation system functions efficiently and safely. Its encapsulated design offers protection against shock, vibration, and humidity, making it suitable for demanding environments. Easy to install with quick connects and DIN rail compatibility, the KRPD2121MB provides long-lasting performance and precise control, streamlining your automation needs.
Get Littelfuse KRPD2121MB today—built for precision, long-lasting durability, and easy installation in industrial automation systems.
Frequently Asked Questions
Where can I buy Littelfuse KRPDD2121MB?
You can click on the BUY or RFQ button to purchase KRPDD2121MB from an authorized Littelfuse distributor.
How do I troubleshoot issues or seek technical support for part KRPDD2121MB?
You can download the KRPDD2121MB datasheet or visit the Littelfuse website for support.
Who is the manufacturer of KRPDD2121MB?
Littelfuse