Fused 4 pin - 12 volt, 30 amp rated 4 pin on/off switching relay with fuse. Standard 4 pin - 12 volt, 30 amp rated 4 pin on/off switching relay. Heavy duty 4 pin - 12 volt. Standard 5 pin - 12 volt, 30/40 amp rated 5 pin on/off switching relay.
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