DC operation mini-contactor relay with screw terminals and interlocked opposing contacts. The 010157/XTRM10A31TD contactor relay supports DIN-rail/screw mount. It provides finger and back-of-hand proof protection against direct contact when actuated from front (EN 50274). DIL E mini contactor relay is a particularly compact, economic and environmentally-friendly solution wherever control of small motors or loads is required. DIL E device is approved for worldwide use. Further advantages for international use, the higher degree of climatic proofing and the large ambient temperature range.