Manufacturer: ABB
Type: Bell Transformer
Model: TM40/12
The ABB TM40/12 bell transformer is designed for safe and reliable low-voltage power supply in signaling and bell systems. Engineered with high efficiency and low power loss, this transformer delivers stable secondary voltages at multiple taps, supporting a wide range of applications. With IP20 protection, compact design, and a robust 40 W output, it is ideal for residential, commercial, and light industrial environments where consistent voltage transformation is essential.
Technical Information:
- Primary Voltage: 230 V
- Secondary Voltage: (6-7) 4 V AC, (5-6) 8 V AC, (5-7) 12 V AC
- Secondary Current: 3.33 A
- Output Current Maximum (Iout): 10 A
- Rated Frequency (f): 50/60 Hz
- Power Loss: 3 W
- Rated Output Power: 40 W
- Ambient Air Temperature (Operation): 10 … 40 °C
- Degree of Protection: IP20
- Dimensions (H x W x D): 85 x 52.5 x 65 mm
