One-phase transformer

Benefits of our single-phase transformers

  • Reduction of primary voltage to the required secondary voltage
  • Adaptation and flexibility to specific customer requirements and wide portoflio
  • High quality, long usability and robust power supply made in Germany
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Examples of our single-phase transformers

Type series RTD

Einphasen-Transformator
Series RTD W40 to W160 according to   VDE 0570 / EN 61558 Part 2-6

  • Jacket transformer / EJ sheet cut
  • Power range 63 – 250 VA, frequency 50 / 60 Hz
  • Protection class IP 00, suitability for installation up to IP 20
  • Protection class I, insulation class T 40 / B
  • Separate windings
  • Screw terminals with self-lifting disc
  • for conductor cross-section up to 1.5 mm2
  • Additional flat connector 2.8 x 0.8 DIN 46244
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 41308 (e1   x f1)
  • Switch-on time 100

Type series UTEN

Einphasentransformator
Type series UTEN G24 to G160 according to VDE 0570 / EN 61558
  • Jacket transformer / EJ sheet cut
  • Power range 40 – 250 VA
  • Frequency 50 / 60 Hz
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Insulation class T 40 / B
  • Separate windings
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4

Type series UTUB

Einphasentransformator
Type series UTUB / UTUBL (K 1.2 to K 20,0) according to VDE 0570 / EN 61558

  • Nuclear transformer / UJ sheet cut
  • Power range 1.6 – 20.0 kVA
  • Frequency 50 / 60 Hz
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Insulation class T 40 / B
  • Separate windings
  • Vacuum soaked
  • Terminals
  • Foot angle fastening: UTUB standing to the ground
  • mounting, UTUBL lying for wall mounting
  • Contact protection according to VBG 4
  • With air duct, installation position persecuting, approx. 10 reduction in performance when mounted horizontally

Type series UTEB

Einphasentransformato UTEN
Type series UTEB (G200 to G1450) according to VDE 0570 / EN 61558
  • Jacket transformer / EJ sheet cut
  • Power range 320 – 2500 VA
  • Frequency 50 / 60 Hz
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Insulation class T 40 / B
  • Separate windings
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 4130

Single-phase safety transformers

Type series FEST

Einphasen-Sicherheitstransformatoren

Type series FEST (J40 to J160) according to VDE 0570 / EN 61558 Part 2 – 6

  • Jacket transformer / EJ sheet cut
  • Power range 320 – 2500 VA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Separate windings
  • Transformer terminals
  • Vacuum soaked
  • Foot angle fastening
  • Contact protection according to VBG 4

Type series UTEB

Einphasentransformator
Type series UTEB (G200 to G1450) according to VDE 0570 / EN 61558
  • Jacket transformer / EJ sheet cut
  • Power range 320 – 2500 VA
  • Frequency 50 / 60 Hz
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Insulation class T 40 / B
  • Separate windings
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 4130

Single-phase control transformers

Type series FST

Einphasen-Steuertransformatoren

Type series FST (L 40 to L160) according to VDE 0570 / EN 61558 Part 2 – 2/4

  • Jacket transformer / EJ sheet cut
  • Power range 63 – 250 VA, frequency 50 / 60 Hz
  • Protection class IP 00, suitability for installation up to IP 20
  • Protection class I, insulation class T 40 / B
  • Separate windings, primarily 2 taps . . . . . . . . . . . . . . . . . .
  • Screw terminals with self-lifting disc for conductor cross-section up to 1.5 mm2
  • Additional flat connector 2.8 x 0.8 DIN 46244
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 41308 (e1 x f1)
  • Switch-on time 100

Type series SETB

Steuertrafo Einphasen-Transformator mit UL Zulassung

Type series SETB (U200 to U 1450) according to VDE 0570 / EN 61558 Part 2 – 2 / 4

  • Jacket transformer / EJ sheet cut
  • Power range 320 – 2500 VA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00, installation suitability up to IP 20, protection class I
  • Separate windings, primarily 2 taps +/-5%
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 41308
  • Switch-on time 100

Type series SETB/ SETBL

Steuerungstransformator

Type series SETB / SETLB (N1,2 to N 20.0) according to VDE 0570 / EN 61558 Part 2 – 2/4

  • Nuclear transformer / UJ sheet cut
  • Power range 1.6 – 20.0 kVA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Separate windings, primarily 2 taps . . . . . . . . . . . . . . . . . .
  • Vacuum soaked
  • Terminals
  • Foot angle fastening: SETB standing to the ground
    mounting, SETLB lying for wall mounting
  • Contact protection according to VBG 4
  • With air duct, installation position persether, with horizontal
    Assembly approx. 10 performance reduction
  • VBG 4
  • Standard screw-on dimensions according to DIN 41308
  • Switch-on time 100

Type series SETLB

Einphasen-Steuertransformatoren

Type series SETBL(N 2,4 – N 10,0) according to VDE 0570 / EN 61558 Part 2 – 2/4

  • Nuclear transformer / UJ sheet cut
  • Power range 3.2 – 12.0 kVA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00, installation suitability up to IP 20, protection class I
  • Separate windings, primarily 2 taps +/-5%
  • Vacuum soaked
  • Terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • With air duct, installation position perceitly, with different installation approx. 10 power reduction
  • Switch-on time 100

Type series SETN

Einphasen-Steuertransformatoren

Type row SETN (O24- O650) according to

VDE 0570 / EN 61558 Part 2 – 2/4

  • Jacket transformer / EJ sheet cut
  • Power range 40 – 850 VA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / A
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Separate windings, primarily 2 taps . . . . . . . . . . . . . . . . . .
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4

Type series FTUL

Steuertrafo Einphasen-Transformator mit UL Zulassung

Type series FTUL 24 to FTUL 1451 according to VDE 0570 / EN 61558 Part 2 – 2 / 4 and UL 506. As a saving winding according to VDE 0570 / EN 60558 Part 2 – 13 with index –

  • Jacket transformer / EJ-
  • Sheet metal cutting
  • Power range 40 – 3000 VA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00
  • Installation suitability up to IP 20
  • Protection class I
  • Separate windings
  • Savings winding recognizable by ending -A (e.g. FTUL 24-A)
  • Vacuum soaked
  • Transformer terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Switch-on time 100%

Single-phase stage transformers and universal control transformers

Type series USTN/ USTB

Einphasen-Sicherheitstransformatoren

Type series USTN /USTB (Q 60 to Q 1450 ) according to VDE 0570 / EN 61558 Part 2 – 2/4

  • Jacket transformer / EJ sheet cut
  • Power range 80 – 2000 VA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00, installation suitability up to IP 20, protection class I
  • Separate windings, primarily 200 – 550 V switchable
  • Vacuum soaked from Q 200
  • Line-up clamps
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Standard screw-on dimensions according to DIN 41308
  • Switch-on time 100%

Type series UST/LB

Einphasen-Steuertransformatoren
Type series USTLB (P 2.4 to P 2.5nach VDE 0570 / EN 61558 Part 2 – 2/4
  • Nuclear transformer / UJ sheet cut
  • Power range 2.6 – 3.2 kVA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00, installation suitability up to IP 20, protection class I
  • Separate windings
  • Vacuum soaked
  • Terminals
  • Foot angle fastening
  • Contact protection according to VBG 4
  • With air duct, installation position percecrother, in case of different
    of the assembly approx. 10 performance reductions
  • Switch-on time 100%

Type series USTB / USTLB

Einphasen-Steuertransformatoren
Type series USTB / USTLB ( P2.4 to P 20.0 according to VDE 0570 / EN 61558 Part 2 – 2/4
  • Nuclear transformer / UJ sheet cut
  • Power range 2.6 – 16.0 kVA
  • Frequency 50 / 60 Hz
  • Insulation class T 40 / B
  • Protection class IP 00, installation suitability up to IP 20, protection class I
  • Separate windings
  • Terminals
  • vacuum-soaked
  • Foot angle fastening: USTB standing to the ground
    mounting, USTLB lying for wall mounting
  • Contact protection according to VBG 4
  • With air duct, installation position persether, with horizontal
    Assembly approx. 10% performance reduction

Type series SFTE/STEBL

Steuertrafo Einphasen-Transformator mit UL Zulassung

Type series SFTE /STEBL (W 60 to W 160, S 250 to S 650 according to VDE 0570 / EN 61558 Part 2 – 13

  • Jacket transformer / EJ sheet cut
  • Power range 1.5 – 18 A, frequency 50 / 60 Hz
  • Savings winding
  • Protection class IP 00, installation suitability up to IP 20,
    Protection class I
  • Insulation class T 40 / B
  • Foot angle fastening
  • Contact protection according to VBG 4
  • Switch-on time 100


Type W 60 to W 160

  • Screw terminals with self-lifting disc for conductor cross-section up to 1.5 mm2
  • Additional flat connector 2.8 x 0.8 DIN 46244


Type S 250 to S 650

  • Vacuum soaked
  • Angle for wall fixing
  • Line-up clamps
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