Laskomex TR/B 2303 Power Supply with Thermal Fuse (25VA, 12/14 V) ZS-K-25/03

The Laskomex TR/B 2303 is a reliable power supply unit designed for intercom and door entry systems. Featuring a thermal fuse for enhanced safety, this surface-mount transformer delivers stable 12V AC or 14V AC output with a power rating of 25 VA. Its compact ABS plastic enclosure and screw terminal connections ensure easy installation and secure wiring.

Advantages

Built with an EI transformer for efficient power conversion, the TR/B 2303 offers overload and short-circuit protection via its integrated thermal fuse. The unit operates quietly and is CE compliant, making it suitable for residential and commercial applications. Its surface-mount design saves space and simplifies mounting on walls or inside enclosures.

Suitable for

• Intercom systems
• Door entry systems
• Low-voltage AC powered devices

Key specifications

• Output Power: 25 VA
• Output Voltage: 12V AC / 14V AC
• Input Voltage: 230V AC, 50 Hz
• Max Output Current: 2.08 A (12V), 1.78 A (14V)
• Protection: Thermal fuse
• Mounting: Surface mount
• Enclosure Material: ABS plastic
• Connection: Screw terminals
• Operating Temperature: -10°C to +40°C
• Certifications: CE compliant

Recommendations

For optimal performance, ensure the input voltage matches your local mains supply. Use appropriate gauge wiring for the output current. This power supply is intended for indoor use only.