The CCL 02-057 is a 12V, 4-pin, normally open contact high load maxi relay with resistor protection, designed as a general-purpose switching component for automotive and commercial vehicle electrical systems. Its normally open configuration means the load circuit remains open at rest and closes when the relay is energised, making it well suited to applications where a secondary circuit must be activated by a control signal.
The relay is rated for a continuous load of 70A when the contact is closed, with a peak load capacity of 140A - figures that allow it to handle high-demand circuits such as additional lighting, cooling fans, horns, and similar ancillary loads. Resistor protection is incorporated into the design, helping to suppress voltage spikes and safeguarding sensitive control electronics from back-EMF generated when inductive loads are switched.
The unit features two 6.3mm terminals, providing a secure and widely compatible blade connection suitable for standard automotive wiring connectors. The 4-pin layout follows a conventional relay footprint, keeping installation straightforward for the experienced workshop technician.
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