KC-D4N Relay, 25 Ampere

Leach International

Part # KC-D4N

The KC-D4N relay is designed for general use in KC-46 aircraft, featuring durable metal construction and hermetic protection. It measures 1.718" x 1.025", operates at 28V DC, and has a 400 Ohm resistance. With a 0.015s delay and 11 pins, it’s efficient for continuous duty applications.
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Overview

The KC-D4N relay is engineered for general-purpose applications, particularly within the KC-46 aircraft. Constructed from metal, this relay features hermetic environmental protection, ensuring durability and reliability across several conditions. With a compact design, it measures a maximum overall length of 1.718 inches and a width of 1.025 inches. Operating at a voltage rating of 28.0 Volts DC at 25 degrees Celsius, it has a nominal winding DC resistance of 400.0 Ohms. The relay includes a single winding and is equipped with 11 pins for all functions. A fixed time delay of 0.015 seconds for both operate and release times makes it suitable for continuous duty applications. The polarized feature and air arc quenching method enhance operational efficiency.

Features & Benefits

Technical Information

ATA Number

23,
24,
25,
28,
30,
33,
34,
44,
49,
52

ATA Chapter

Communications
Electrical Power
Equipment / Furnishings
Fuel
Ice and Rain Protection
Lights
4 more

ATA Group

Airframe Systems
Structure

ATA Section

PASSENGER VIDEO SYSTEM
PASSENGER ENTERTAINMENT SYSTEM
General
ELECTRICAL POWER PRECAUTIONS
DC Generation
DC GENERATION SYSTEM
12 more

NIIN

012587950

NSN

5945-01-258-7950

FSCG

5945

FSCG Category

Relays and Solenoids

UNSPSC Code

39122315

UNSPSC Category

Electromagnetic relay

Lead Time (Days)

216

Certification Status

CERTIFIED

ATA Part Number

KCD4N

CAGE Code

58657

Commercial Part

Yes

Harmonized Tariff Schedule Code

8536490080

Repairable

No

Specification Part Number

KCD4N

Supplier Part Number

KC-D4N

Landing Gear Part

No

Leasable

No

Returnable

Yes

Aircraft Makes

Boeing

Aircraft Models

777-300ER
757-200
737-400
777-200ER
737-500
747-400PC
68 more

Shipping Details

ITAR Compliant

No

Part Explosive

No

ECCN

9A991.d

Dry Ice

No
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Commercial Spares
DISCLAIMER: Product information provided “as is.” Boeing may add, change, discontinue or remove this information at any time. Product photos may not be exact match to product delivered. See terms & conditions.