1. General Description
The Philips Type 84536 is a heavy-duty, industrial-grade variable autotransformer (commonly known as a "Variac"). Encased in a robust, grey-painted metal housing with ventilation louvers, the unit is designed for continuous, reliable voltage adjustment in laboratory, industrial, and service environments.
Based on the visual scale and historical data, this unit is rated for a maximum load of 8 Amperes and roughly 2 kVA.
3. Physical Features
- Rotary Dial: Large, black, multi-lobed knob for precise manual voltage adjustment.
- Scale Plate: Black faceplate with white numerals indicating output voltage (0-260V).
- Output Terminals: Two sturdy black screw-type binding posts located on the top deck.
- Power Cable: Permanently attached mains cable with a vintage European Schuko-style plug. (Note: Adapter or replacement required for modern outlets).
- Cooling: Vertical ventilation slots on all four sides to dissipate heat.
- Mounting: Integrated rubber feet for stable benchtop use.
4. Operation
- Setup: Ensure the rotary dial is turned fully counter-clockwise to the 0 position before connecting power.
- Connection: Connect the mains plug to an appropriate AC power source. Connect the device to be powered to the two top binding posts.
- Adjustment: Slowly rotate the dial clockwise to increase voltage progressively to the desired level.
- Shutdown: Always rotate the dial back to 0 before turning off or disconnecting the mains power.
Pictured: Philips Type 84536 Variable Autotransformer. (Coin shown for scale reference).
2. Technical Specifications
| Input Voltage | Nominal 220V AC (50/60 Hz) |
|---|---|
| Output Voltage | 0V to 260V AC (Adjustable) |
| Maximum Current | 8 Amperes (8A) |
| Power Rating | Approx. 2 kVA (2000 VA) |
| Transformer Type | Autotransformer (Non-isolated) |
| Dial Scale | 0 to 260 (Direct voltage readout) |