Manufacturer: ABB

Type: Bell Transformer

Model: TM30/24

The ABB TM30/24 bell transformer is a compact and reliable low-voltage transformer designed for use in doorbell and signal applications. Engineered to deliver safe and stable performance, it features multiple secondary voltage outputs and high thermal reliability. Suitable for residential and light commercial environments, the TM30/24 offers efficient power conversion with minimal energy loss, making it a dependable choice for signaling systems.

Technical Information

• Primary Voltage: 230 V
• Secondary Voltage: (5-6) & (6-7) 12 V AC, (5-7) 24 V AC
• Secondary Current: 1.25 A
• Output Current Maximum (Iout): 2.5 A
• Rated Frequency (f): 50/60 Hz
• Power Loss: 3 W
• Rated Output Power: 30 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