Single-phase transformer URST 100–2500 24 V
General:The use of universal control transformers is recommended where, due to requirements for minimal inventory and maximum variability, "standard" single-phase control transformers cannot be used.Voltage ranges:Switchable input voltage:AC 200/220/230/250/270/280/330/350/370/380/390/400/420/430/440/450/470/490/500/550 VOutput voltage switchable:AC 115/230 V or AC 21/24/30/42/48/60 VThe transformers must be connected in accordance with the wiring diagram printed on the nameplate can be operated in parallel or series.The special advantages of the URST series High reliability and long service life Variable input voltage (200...550 V) Extended secondary range Compact design with low weight Low total losses, resulting in high efficiency Above-average performance during short-term operation High power density relative to volume High voltage stability due to low voltage drop between no-load and load operation Transformers rated 130VA and above are protected against short circuits via insulating bushings Temperature headroom; can be loaded at full current even at ta 60°C/BConfiguration:Design: Open design, stationary, for device installation and mounting in dry ro oms, isolated-winding. Connection to creepage-current-proof transformer terminals with screw and flat-plug connection 2.8 x 0.8mm up to 5A, 6.3 x 0.8mm up to 20A. The flat plug connection 2.8 x 0.8mm may only be loaded up to 5A according to DIN 46249, 6.3 x 0.8mm up to 20A. The termi nals are protected against contact by the back of the hand and fi nger-safe in accordance with UVV (BGV A3).IP 00, insulation class E, max. am bient temperature 40°C (ta40°C/E). Insulation class E
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Single-phase transformer URST 100–2500 230 V
General:The use of universal control transformers is recommended where, due to requirements for minimal inventory and maximum variability, "standard" single-phase control transformers cannot be used.Voltage ranges:Switchable input voltage:AC 200/220/230/250/270/280/330/350/370/380/390/400/420/430/440/450/470/490/500/550 VOutput voltage switchable:AC 115/230 V or AC 21/24/30/42/48/60 VThe transformers must be connected in accordance with the wiring diagram printed on the nameplate can be operated in parallel or series.The special advantages of the URST series High reliability and long service life Variable input voltage (200...550 V) Extended secondary range Compact design with low weight Low total losses, resulting in high efficiency Above-average performance during short-term operation High power density relative to volume High voltage stability due to low voltage drop between no-load and load operation Transformers rated 130VA and above are protected against short circuits via insulating bushings Temperature headroom; can be loaded at full current even at ta 60°C/BConfiguration:Design: Open design, stationary, for device installation and mounting in dry ro oms, isolated-winding. Connection to creepage-current-proof transformer terminals with screw and flat-plug connection 2.8 x 0.8mm up to 5A, 6.3 x 0.8mm up to 20A. The flat plug connection 2.8 x 0.8mm may only be loaded up to 5A according to DIN 46249, 6.3 x 0.8mm up to 20A. The termi nals are protected against contact by the back of the hand and fi nger-safe in accordance with UVV (BGV A3).IP 00, insulation class E, max. am bient temperature 40°C (ta40°C/E). Insulation class E
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Single-phase core transformer REST 20–500 kVA
Single-phase transformerREST 20 – 500Single-phase transformers up to 500 kVAVariable input and output voltage options up to 1000 V, to be specified by the customer General:The rectangular core packages of our higher-power single-phase core transformers are constructed from alternately layered, grain-oriented, low-loss strip sections. The windings are vacuum-impregnated together with the core and then cured in a drying oven for several hours.The transformers are electrically designed to achieve the highest possible efficiency and to ensure that their temperature remains well below the limits permitted by VDE. This robust design guarantees an almost unlimited service life for our transformers, even in the event of overload.Configuration:Open, upright design, stationary, for equipment installation and mounting in dry rooms, separate windings, connections to robust terminal blocks (up to 360 A), busbars, or cable lugs (not dimensioned).IP 00, insulation class F, max. ambient temperature 40°C (ta40°C/F).Since each high-power transformer is designed individually, the dimensions and weights listed below reflect only the currently valid specifications.Subject to change without notice.All types are also available as single-phase economy transformers (for calculations, see the section “Transformers with Economy Windings” in the General Section).*Depending on the design and winding type, all dimensions—especially dimension b—may increase by up to 100 mm for special currents! Hole pattern available upon request! The thickness may vary during manufacturing. Insulation class F
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Single-phase transformer RSTL 1200–8000 VA 2300/230 V
Single-phase transformerRSTL 1200 – 8000Single-phase transformers up to 8 kVA, horizontal configuration,Input 230 V, 400 V, or 500 VOutput 230V/115VThe transformers of the RSTL series comply with national, international, and anticipated future regulations for worldwide use. VersionOpen design, stationary, for equipment installation and mounting in dry rooms, separate windings. Connection to creepage-current-proof terminal blocks with screw terminals. The terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3).IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse RecommendationThe fuse recommendations listed below apply to the secondary side of the transformer and fuse links in accordance with IEC 127 / EN 60127 (At) or IEC 60269 (AgL).Available only in the specified voltages; for other voltages, see the structurally identical type RUE Insulation Class E
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Single-phase transformer RSTS 1200-8000 500/230V
Configuration:Open design, stationary, for equipment installation and mounting in dry rooms, separate windings—. The secondary bridge can be connected up to 20 A using 6.3 x 0.8 mm flat plug terminals. The Transformer terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3). 5 kVA and above with terminal blocks on the top bracket.IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse recommendation:The protection recommendations listed below apply to the secondary side of the transformer—and fuse links in accordance with IEC 127 / EN 60127 (At), or in accordance with IEC 60269 (AgL). For more information on this and on primary protection, please refer to the “Protection” section in the Accessories category --> See “Options.” Insulation Class E
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Single-phase transformer RSTS 1200-8000 230/230V
Configuration:Open design, stationary, for equipment installation and mounting in dry rooms, separate windings—. The secondary bridge can be connected up to 20 A using 6.3 x 0.8 mm flat plug terminals. The Transformer terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3). 5 kVA and above with terminal blocks on the top bracket.IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse recommendation:The protection recommendations listed below apply to the secondary side of the transformer—and fuse links in accordance with IEC 127 / EN 60127 (At), or in accordance with IEC 60269 (AgL). For more information on this and on primary protection, please refer to the “Protection” section in the Accessories category --> See “Options.” Insulation Class E
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Single-phase transformer RSTS 1200-8000 400/230 V
Configuration:Open design, stationary, for equipment installation and mounting in dry rooms, separate windings—. The secondary bridge can be connected up to 20 A using 6.3 x 0.8 mm flat plug terminals. The Transformer terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3). 5 kVA and above with terminal blocks on the top bracket.IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse recommendation:The protection recommendations listed below apply to the secondary side of the transformer—and fuse links in accordance with IEC 127 / EN 60127 (At), or in accordance with IEC 60269 (AgL). For more information on this and on primary protection, please refer to the “Protection” section in the Accessories category --> See “Options.” Insulation Class E
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Single-phase transformer RSTL 1200–8000 VA 400/230 V
Single-phase transformerRSTL 1200 – 8000Single-phase transformers up to 8 kVA, horizontal configuration,Input 230 V, 400 V, or 500 VOutput 230V/115VThe transformers of the RSTL series comply with national, international, and anticipated future regulations for worldwide use. VersionOpen design, stationary, for equipment installation and mounting in dry rooms, separate windings. Connection to creepage-current-proof terminal blocks with screw terminals. The terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3).IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse RecommendationThe fuse recommendations listed below apply to the secondary side of the transformer and fuse links in accordance with IEC 127 / EN 60127 (At) or IEC 60269 (AgL).Available only in the specified voltages; for other voltages, see the structurally identical type RUE Insulation Class E
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Single-phase transformer RUE 280-20000
Single-phase transformerRUE 280 – 20000Single-phase transformers up to 20 kVAVariable input and output voltage options up to 690 V, to be selected by the customer.The RUE series transformers comply with national, international, and anticipated future regulations for worldwide use. General:The RUE series transformers comply with national and international regulations—including those not yet in effect—for worldwide use. They can be supplied as desired asPower transformers in accordance with VDE 0570 Part 2-1, EN 61558-2-1,Control transformers in accordance with VDE 0570 Part 2-2, EN 61558-2-2,Isolating transformers in accordance with VDE 0570 Part 2-4, EN 61558-2-4,Safety transformers in accordance with VDE 0570 Part 2-6, EN 61558-2-6, (sum of all no-load secondary voltages max. 50 V)The specific version must be specified when ordering.Configuration:Open, upright design, stationary, for equipment installation and mounting in dry rooms, separate windings. Variable voltage options available upon request. Standard version for a voltage rating up to 690 V or 50 A at transformer terminals, up to 360 A at terminal blocks. In this case, dimensions b and c increase. The terminals are safe to touch with the back of the hand in accordance with UVV (BGV A3). Other versions available upon request (voltages, currents, connections, mounting, etc.).IP 00, insulation class E, max. ambient temperature ta 40°C (ta40°C/E).The dimensions and weights listed below reflect the current status only. Subject to change without notice. Insulation class E
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Single-phase transformer RSTS 500–250,000 VA UL-CSA
General:The transformers of the RSTS UL-CSA series are specifically approved for the North American market—and comply with national and international regulations for worldwide use.The special advantages of the RSTS UL-CSA(-A) series: Variable voltage options available upon customer requestPri. rated voltage range 110 V...600 V incl. any number of taps possible (max. 660 V)Sec. 10 V...600 V (500–3000 VA), 19 V...600 V (4200–6300 VA), 40 V...600 V (8000–13000 VA), 80 V...600 V (16,000–25,000 VA) incl. any number of taps (max. 660 V) Maximum of 4 separate windings, the sum of which falls within the voltage range window High reliability and long service life Low total losses, high efficiency High voltage stability (low voltage drop between no-load and load operation) Upon customer request, for secondary voltages up to AC 50 V (open-circuit voltage), non-insulated cable con-nection optional Optional: PE screw terminal, PE shield, thermal switch Autotransformers *1 adapted to the construction projectConfiguration:Open design, stationary, for equipment installation and mounting in dry rooms. Connection to creepage-electrically safe transformer terminals with screw connections. The transformer terminals are hand-back and finger-safe in accordance with UVV (BGV A3). From 50 A with terminal blocks on top brackets.IP00, suitable for installation up to protection class IP23 with natural air cooling, insulation class B, max. ambient temperature 40° C. Insulation class B
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Single-phase transformer RSTN 30–3000 UL-CSA
General:The transformers of the RSTN UL-CSA series are specifically approved for the North American marketand comply with national and international regulations for worldwide use.The special advantages of the RSTN UL-CSA(-A) series: Variable voltage options available upon requestPrimary rated voltage range 110 V...600 V, including any number of taps possible (max. 660 V)Secondary rated voltage range 12 V...600 V (30–700 VA), 24 V...600 V (800–1300 VA),110 V...600 V (1600–3000 VA), including any number of taps (max. 660 V) A maximum of 3 separate secondary windings, the sum of which falls within the voltage range window High reliability and long service life Compact design with low weight Low total losses, high efficiency For control transformers, a higher-grade insulation system than required by the standard High voltage stability (low voltage drop between no-load and load operation) Mounting bracket according to DIN 41307 Optional: PE screw terminal, PE shield, thermal switch Autotransformers *1 adapted to the construction projectConfiguration:Open design, stationary, for device installation and mounting in dry rooms. Connection totransformer terminals with creepage current protection and screw terminals. The transformer terminals areprotected against contact by the back of the hand and fingers in accordance with UVV (BGV A3). PE connection as a 6.3x 0.8 mm. PE screw terminal available as an accessory. IP00, insulation class B, max. ambient temperature40°C. Insulation class B
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Single-phase transformer RSTL 1200–8000 VA 500/230 V
Single-phase transformerRSTL 1200 – 8000Single-phase transformers up to 8 kVA, horizontal configuration,Input 230 V, 400 V, or 500 VOutput 230V/115VThe transformers of the RSTL series comply with national, international, and anticipated future regulations for worldwide use. VersionOpen design, stationary, for equipment installation and mounting in dry rooms, separate windings. Connection to creepage-current-proof terminal blocks with screw terminals. The terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3).IP 00, Insulation Class E, maximum ambient temperature 40°C (ta40°C/E).Fuse RecommendationThe fuse recommendations listed below apply to the secondary side of the transformer and fuse links in accordance with IEC 127 / EN 60127 (At) or IEC 60269 (AgL).Available only in the specified voltages; for other voltages, see the structurally identical type RUE Insulation Class E
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Single-Phase Energy-Saving Transformer RLTS 80-1745
Single-phase autotransformerRLTS 80 – 1745Single-phase autotransformers up to 1.745 kVAfor single-phase fan motorsInput 230 VOutput 80/100/125/150/175/190/230 V General:The transformers in the RLTS series are single-phase autotransformers with 7 steps and have been specially developed for air conditioning and ventilation systems. They are designed as autotransformers in accordance with VDE 0570.Configuration:Open design, stationary, for equipment installation and mounting in dry rooms, economy winding. Connection to creepage-current-proof transformer terminals with screw and flat-plug connections: 2.8 x 0.8 mm up to 5 A, 6.3 x 0.8 mm up to 20 A. According to DIN 46249, the 2.8 x 0.8 mm flat plug connection may only be loaded up to 5 A, and the 6.3 x 0.8 mm connection up to 20 A. The 0 V and 230 V connections are each routed to the terminal only once. The terminals are protected against contact by the back of the hand and fingers in accordance with UVV (BGV A3).PE connection as a 6.3 x 0.8 mm flat blade terminal.IP 00, insulation class E, max. ambient temperature ta 40°C (ta40°C/E). Voltage range: Input voltage: AC 230 V Output voltages: AC 80/100/125/150/175/190/230 VSpecial version: The RLTS series can also be supplied in an IP 23-rated enclosure with the following option.Step switch, operation indicator light, housing, etc. (prices upon request).Other configurations available upon request (voltages, currents, connections, mounting, etc.) Insulation class E
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