Description
Product Overview
The Hella Time Control Unit is a compact 12 V automatic time delay relay designed for demanding agricultural and industrial vehicles. Housed in a painted exterior, the unit measures 1.5 × 1.5 × 2.95 inches and weighs just 1.14 oz, making it easy to install in tight spaces. It features a 5‑pin plug‑in mounting type, silver‑copper contacts rated for 0.01 A, and a 60 W wattage capacity. The relay operates with a minimum switching voltage of 12 V and provides reliable delayed activation for lighting, signaling, and auxiliary systems.
Usage
Designed for tractors, harvesters, combine machines and other heavy‑duty equipment, this relay excels in environments where precise timing of lights or accessories is critical. Install the unit in the vehicle’s electrical harness to automate headlamp delay, work‑light sequencing, or to protect sensitive electronics from surge currents. Its automatic mode eliminates the need for manual adjustments, delivering consistent performance across a range of temperatures and vibrations.

Why Choose Us
HELLA is a globally recognized brand known for rigorous quality standards and durability. This relay meets industry specifications and is backed by extensive testing to ensure long‑term reliability. The silver‑copper contact material offers superior conductivity and resistance to corrosion, extending service life even in harsh, dusty conditions. With a proven track record and positive customer reviews (4.2/5 stars), you can trust this component for mission‑critical applications.
Key Features
- 5‑pin plug‑in mounting for quick, tool‑free installation.
- Silver‑copper contacts provide excellent conductivity and corrosion resistance.
- Automatic 12 V operation with a 60 W rating for reliable delayed activation.
- Compact dimensions (1.5 × 1.5 × 2.95 in) fit confined spaces in agricultural machinery.
- Meets industry standards and backed by Hella’s quality assurance program.
FAQ
What is the minimum voltage required for the relay to operate?
The relay requires a minimum switching voltage of 12 V to function correctly.
Can this relay be used in non‑agricultural vehicles?
Yes, the unit is suitable for any 12 V automotive or light‑industrial application that needs timed control of lights or accessories.
Is the relay compatible with OEM part numbers listed?
Absolutely. It matches numerous OEM references such as AEBI 1194158‑0, CASE IH 47375883, John Deere WZW15189, and many others.
What is the current rating of the contacts?
The contacts are rated for 0.01 A, which is ideal for control circuits and low‑current loads.
Does the relay include any warranty?
HELLA provides a standard limited warranty covering manufacturing defects for a period defined by the distributor.




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