Classic ‘ESTRASIL’ Range: Transformers for control duty and general applications:
- Open type, 50 or 60Hz mains supply, class E insulation.
- Available in a wide range of power ratings, all with various alternative primary voltage tappings.
- Designed for easy installation, with excellent access for screwdriver and modern power tools to fixing screws.
- Terminations to high grade anti-pinch terminal blocks, mounted on engraved or screened terminal panels, with voltages and power ratings clearly marked.
Transformer Enclosures:
All transformers in this range can, if required, be supplied in a purpose-designed ventilated steel case, in hammer grey powder coat finish, suitable for mounting on either horizontal or verticle surfaces. Alternative enclosures in plastic, to IP55, are also available.

| Power Rating VA (Continuous) |
Primaries 50-60Hz | Secondaries 110V C.T. | Secondaries 24V | Dims W D H (mm) | Weight (kg) |
|---|---|---|---|---|---|
| 50 | 220-230-240-250V 240-380-415V |
G05-01 G05-02 |
G05-10 G05-11 |
107x65x88 | 1 |
| 100 | 220-230-240-250V 240-380-415V |
G10-01 G10-02 |
G10-10 G10-11 |
83x70x121 | 1.5 |
| 200 | 220-230-240-250V 240-380-415V |
G20-01 G20-02 |
G20-10 G20-11 |
117x89x121 | 3.5 |
| 350 | 220-230-240-250V 240-380-415V |
G35-01 G35-02 |
G35-10 G35-11 |
117x114x121 | 6 |
| 500 | 220-230-240-250V 240-380-415V |
G50-01 G50-02 |
G50-10 G50-11 |
138x115x148 | 6.5 |
| 1000 | 220-230-240-250V 380-415-440V 240-380-415V |
G100-01 G100-02 |
G100-10 G100-11 |
144x160x175 | 12 |
| 2000 | 220-230-240-250V 380-415-440V 240-380-415V |
G200-01 G200-02 G200-03 |
G200-10 G200-11 G200-12 |
180x200x220 | 21 |
| 3000 | 220-230-240-250V 380-415-440V 240-380-415V |
G300-01 G300-02 G300-03 |
G300-10 G300-11 G300-12 |
180x230x220 | 27 |
| 4000 | 220-230-240-250V 380-415-440V 240-380-415V |
G400-01 G400-02 G400-03 |
G400-10 G400-11 G400-12 |
230x200x260 | 30 |
| 5000 | 240V 380-415V |
G500-01 G500-02 |
G500-10 G500-11 |
230x220x260 | 35 |
| 6000 | 240V 380-415V |
G600-01 G600-02 |
G600-10 G600-11 |
230x240x260 | 40 |
Price list: GP Single phase ‘CLASSIC’ prices as at January 2024
