Eaton ZB12-12 overload relay with screw connection. The 278441 XTOB012BC1 relay is suitable for protection of Ex e-motors. It features test/off button, reset pushbutton manual/auto and trip-free release. It provides finger and back-of-hand proof protection against direct contact when actuated from front (EN 50274). Suitable for use with DILM7, DILM9, DILM12, DILM15, DIULM7, DIULM9, DIULM12, SDAINLM12, SDAINLM16, SDAINLM22, DS7-34/SX0012.