KRDM433 [Littelfuse]

Name: KRDM433
Brand: Littelfuse
SKU: KRDM433
Availability: InStock

Part No:

KRDM433

Relays, Contactors & Solenoids

Manufacturer:

Littelfuse

Description:

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.

Datasheet:

Stock Status:

Available for RFQ

Pricing:

Request Volume Pricing

Quote Response:

Within 24 Hours

Shipping:

In-stock parts ship in 1–2 business days

Specification

Type

Parameter

Insulation Resistance

≥ 100MΩ

Operating Humidity

95% relative, non-condensing

Max Switching Voltage

250VAC

Electrical Life

1 x 10^5 operations

Operating Temperature

-20°C ~ 60°C

Mechanical Life

1 x 10^7 operations

Weight

2.6 oz (74 g)

Storage Temperature

-40°C ~ 85°C

Ac Line Frequency Dc Ripple

50/60Hz / ≤ 10%

Dimensions D

30.7 mm (1.21 in)

Dimensions H

50.8 mm (2.0 in)

Products Detail

The KRDM Series is a cost-effective time delay relay for OEM applications requiring small size, isolation, reliability, and long life. It features microcontroller-based timing for ±0.5% repeat accuracy, encapsulated construction for shock/vibration/humidity protection, and isolated 10A SPDT contacts for AC/DC load control. Models offer fixed or adjustable time delays (0.1s to 100m) via onboard knob or external potentiometer, with input voltage options including 12VDC, 24VAC/DC, 120VAC, and 230VAC.

Key Features

Microcontroller based, ±0.5% repeat accuracy, Compact low-cost design, Isolated 10A SPDT contacts, Encapsulated protection, Adjustable time delay (onboard/external), Wide time delay range (0.1s-100m), Multiple input voltages (12/24/110VDC; 24/120/230VAC), Reverse polarity protection for DC units

Application scenarios

OEM applications
industrial control
automation systems

Documents

Datasheets:

KRDM Series Datasheet

Product FAQ

1. Is KRDM433 available for RFQ?

Yes. KRDM433 by Littelfuse is available for RFQ. Submit your required quantity and our team will confirm real-time stock, lead time, and volume pricing.

2. Why is there no fixed price for KRDM433?

Pricing for KRDM433 can vary by order quantity, market availability, date code, packaging, and delivery destination. Request a quote to receive the latest volume pricing.

3. What are the key specifications of KRDM433?

KRDM433 is a Littelfuse Relays, Contactors & Solenoids with Input Voltage Tolerance 110VDC 120VAC 230VAC: -20% - 10% and Input Voltage Tolerance 12VDC 24VACDC: -15% - 20%. Review the product details or submit an RFQ if you need confirmation before purchase.

4. How fast can I get a quote for KRDM433?

Our sales team usually responds within 24 hours after receiving your RFQ. The quote may include stock status, unit price, lead time, shipping options, and available alternatives.

5. How soon can KRDM433 be shipped?

If stock is confirmed, in-stock parts can usually ship within 1–2 business days. Final lead time depends on quantity, stock source, and delivery destination.

6. Can you suggest alternatives to KRDM433?

Yes. If KRDM433 is unavailable, obsolete, or does not meet your required lead time, we can help check similar Littelfuse Relays, Contactors & Solenoids parts or compatible alternatives.

RFQ

Part Number:

KRDM433

Manufacturer:

Littelfuse

Looking for Pricing? Contact us for volume pricing.

Shipping & Warranty

Fast Dispatch: Ships in 5-7 days(in-stock parts within 1-2 days)

Unishop Global Export: 1-7 days, $40.00

Guaranteed Delivery: Door-to-door in 30 days

Compliant Worldwide Shipping: DHL, FedEx, SF, and UPS.

Feature

IMPORTANT NOTICE

Quotations are subject to stock availability and may vary with market conditions. Prices and lead times are not guaranteed until a purchase order is confirmed. Ensure your contact details are correct to avoid delays in response.