Ul-approved transformers
Benefits of our UL-approved transformers
- The certification of Underwriters Laboratories (known as UL) allows the use and export of our products to the USA
- Tested housing materials and insulation materials
- Regular production monitoring at the equipment manufacturer
Examples of UL-approved one- and three-phase transformers
Type series FTUL 24 to FTUL 1451
Type series FTUL 24 to 1451 according to VDE 0570 / EN 61558 Part 2 – 2 / 4 and UL 506
As spar winding according to VDE 0570 / EN 60558 Part 2 – 13 with index -A
- Jacket transformer / EJ sheet cut
- 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
Type series DTU / DTUL 0.15 up to DTU / DTUL 30.0
Type series DTU / DTUL 0.15 to DTU /DTUL 30.0 according to VDE 0570 / EN 61558 Part 2 – 1 and UL 506
In spar winding according to VDE 0570 / EN 61558 Part 2 – 13 with index -A
- Three-legged core transformer / 3 UJ sheet cut
- Power range 200 – 30000 VA
- Frequency 50 / 60 Hz
- Insulation class T40 / B
- Protection class IP 00
- Suitable for installation up to IP 20, protection class I
- Vacuum soaked
- Foot angle fastening
- Connection to terminals
- From DTU / DTUL 1.0 with duct installation position
vertical, in case of different installation
approx. 10 performance reductions - Contact protection according to VBG 4
Standard circuits
- Separate winding transformer star-star circuit with secondary zero point (Yyn0)
- Ballast-Spartransformer Star-Saving Circuit
with zero point (Yna0). Recognizable
end -A (e.g. DTU0, 12-A)
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