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Transformers Control transformers Control- and safety isolating- resp. isolating Control- and safety isolating- resp. isolating Control- and safety isolating- resp. isolating Control- and transformer safety isolating- resp. isolating transformer transformer transformer STEU STEU STEU STEU BLOCK Website General Data General Data General Data Rated input voltage 230 and 400 Vac Generalvoltage 230 and 400 Vac Rated input Data Rated input voltage 230 and 400 Vac Rated output voltage 24 and 400 Vac input voltage 230 - 230 Vac Rated output voltage 24 - 230 Vac Rated output voltage 24 - 230 Vac Rated power 63 - 2500 VA output voltage 24 - 230 Vac Rated power 63 - 2500 VA Rated power 63 - 2500 VA Insulation class B Rated power 63 Insulation class B- 2500 VA Insulation class B Maximum class B temperature 40 °C Insulation ambient Maximum ambient temperature 40 °C Maximum ambient temperature 40 °C Efficiency up to 94 % Maximum ambient temperature 40 °C Efficiency up to 94 % Efficiency up to 94 % Degree of up to 94 %IP 00 Efficiency protection Degree of protection IP 00 Degree of protection IP 00 Degree of protection IP 00 Advantages Advantages Advantages Dual input voltage 230 and 400 Vac Advantages and 400 Vac Dual input voltage 230 Dual input voltage 230 and 400 Vac Very good switch-on behaviour thanks to reduced starting currents Dual input voltage 230 and 400 Vac Very good switch-on behaviour thanks to reduced starting currents Very good switch-on behaviour thanks to reduced starting currents High performance forbehaviour thanks to to compact design Very good switch-on the volume thanks reduced starting currents High performance for the volume thanks to compact design High performance for the volume thanks to compact design Primary side ±15 V tappings for voltage adjustment design High performance for the volume thanks to compact Primary side ±15 V tappings for voltage adjustment Primary side ±15 V tappings for voltage adjustment Very good corrosion protection and low noise thanks to vacuum Primary side ±15 V protection and low adjustment Very good corrosion tappings for voltagenoise thanks to vacuum Very good corrosion protection and low noise thanks to vacuum impregnation impregnation Very good corrosion protection and low noise thanks to vacuum impregnation Quick to cable up thanks to the use of spring-clamp terminals impregnation Quick to cable up thanks to the use of spring-clamp terminals Quick to cable up thanks to the use of spring-clamp terminals Contact protected screw connection terminals complying with UVV BGV A3 Quick to cable up screw connection terminals complying with Contact protectedthanks to the use of spring-clamp terminals UVV BGV A3 Contact protected screw connection terminals complying with UVV BGV A3 Simple mounting thanks to robust metal footplate with oval slots BGV A3 Contact protected screw connection terminals complying with UVV Simple mounting thanks to robust metal footplate with oval slots Simple mounting thanks to robust metal footplate with oval slots Up to 250 VA with combination footplatefootplate with oval slots Simple mounting thanks to robust metal for bolted and rail mounting Up to 250 VA with combination footplate for bolted and rail mounting Up to 250 VA with combination footplate for bolted and rail mounting Up to 250 VA with combination footplate for bolted and rail mounting Applications Applications Applications As a control transformer for the electrical isolation of the input and output Applications As a control transformer for the electrical isolation of the input and output As a control transformer for the electrical isolation of the input and output sides. The construction of the transformer to supply control systems according The construction of the transformer to supply control systems according sides.control transformer for the electrical isolation of the input and output As a sides. The construction of the transformer to supply control systems according to VDE 0113 is designed. to VDE 0113 is designed. sides. The construction of to VDE 0113 is designed. the transformer to supply control systems according As VDE 0113 is designed. for the safe electrical isolation of the input and to an isolating transformer As an isolating transformer for the safe electrical isolation of the input and As an isolating transformer formay be used to set isolation of the input and as a the safe electrical output sides. The transformer may be used to set up protective separation as a output isolating transformer for the safe electrical isolation of the input and up protective separation As an sides. The transformer output sides. The transformer maywithused to set up protective separation as a be protective measure in accordance with VDE 0100. protective measure in accordance be used to set up protective separation as a VDE 0100. output sides. The transformer may protective measure in accordance with VDE 0100. As a safety transformer for the safe electrical isolation of the input and output protective measure in accordance with VDE 0100. As a safety transformer for the safe electrical isolation of the input and output As a safety transformer for the safe electrical SELV andof the input and output isolation sides. The transformer is suitable for creating SELV and PELV circuits because sides.safety transformer for the safe electrical isolation of the input and output PELV circuits because As a The transformer is suitable for creating sides. The transformer is voltage. for creating SELV and PELV circuits because suitable of the limit on the output voltage. of the The transformer is suitable for creating SELV and PELV circuits because limit on the output sides. of the limit on the output voltage. of the limit on the output voltage. Sample application Sample application Sample application Sample application Standards Standards Standards Standards Control transformer Control transformer Control transformer DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2, to: VDE 0570 Teil 2-2, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2, to: VDE 0570 Teil 2-2, to: VDE 0570 Teil 2-2, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2, Control transformer UL 5085-1/-2, CSA 22.2 No.66 UL 5085-1/-2, CSA 22.2 No.66 UL VDE 0570 Teil 2-2, DIN EN 61558-2-2, EN 61558-2-2, IEC 61558-2-2, to: 5085-1/-2, CSA 22.2 No.66 UL 5085-1/-2, Safety isolating CSA 22.2 No.66 Safety isolating transformer transformer Safety isolating transformerEN 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL to: VDE 0570 Teil 2-6, DIN EN 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL to: VDE 0570 Teil 2-6, DIN to: VDEisolating transformer 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL Safety 0570 Teil 2-6, DIN EN 5085-1/-2, CSA 22.2 No.66 5085-1/-2, CSA 22.2 No.66 5085-1/-2, CSA 22.2 No.66 61558-2-6, EN 61558-2-6, IEC 61558-2-6, UL to: VDE 0570 Teil 2-6, DIN EN 5085-1/-2, CSA 22.2 Isolating transformer No.66 Isolating transformer Isolating0570 Part2-4, DIN EN 61558-2-4, EN 61558-2-4, IEC 61558-2-4, UL transformer to: VDE 0570 Part2-4, DIN EN 61558-2-4, EN 61558-2-4, IEC 61558-2-4, UL to: VDE to: VDE 0570 Part2-4,No.66 61558-2-4, EN 61558-2-4, IEC 61558-2-4, UL Isolating transformer DIN EN 5085-1/-2, CSA 22.2 No.66 5085-1/-2, CSA 22.2 5085-1/-2, CSA 22.2 No.66 61558-2-4, EN 61558-2-4, IEC 61558-2-4, UL to: VDE 0570 Part2-4, DIN EN Subject to change 30 5085-1/-2, CSA 22.2 No.66 Approvals Approvals Approvals Approvals