681250040

TR28 series control and safety or isolating transformers

Control and safety or isolating single-phase transformers supply high instantaneous power for the correct operation of contactors and other control and switchgear.

Features:

• Thermal class: B (130°C)
• Class: Class I
• Frequency: 50/60 Hz
• DIN rail mountable (up to 400VA)
• Secondary voltages: 12 - 24V (or) 115 - 230V
• Protection degree: IP20 protection (finger safe)
• Dielectric strength: Primary - secondary > 4.5kV
• Standards: IEC/EN 61558-1, IEC/EN 61558-2-2 /-2-4 /-2-6
• Serial-parallel secondary bridge pieces for ease of connection
• Primary voltages: 240V - 400V - 525V (with regulation taps + and - 20V)
• High capacity clamp terminals (10 mm2 up to 400VA / 25 mm²up to 1250VA)
• High flexibility - several primary rated voltages (with regulation taps +20V or -20V)