Betagard Residual Current Breaker Operator, Type AC with C characteristic – 5SU1344-1RC63

Product Description

Siemens Betagard Residual Current Breaker Operator (RCBO) – 5SU1344-1RC32 / 5SU1344-1RC40 / 5SU1344-1RC63

The Siemens 5SU1344 series Betagard RCBOs are Residual Current Breaker with Overload protection devices designed for combined protection against overload, short circuit, and earth leakage faults. These devices are widely used in residential, commercial, and light industrial distribution boards to ensure complete electrical safety in a single modular unit.

All three variants 5SU1344-1RC32, 5SU1344-1RC40, and 5SU1344-1RC63 belong to the same platform, differing mainly in rated current (32A / 40A / 63A) while maintaining similar protection characteristics.

Key Features

• Siemens Betagard RCBO (5SU1344 series)
• Type: AC residual current type
• Tripping curve: C characteristic
• Rated residual current: 30 mA (shock protection)
• Rated voltage: 230/400–415V AC, 50/60 Hz
• Breaking capacity: up to 10 kA
• Pole configuration: 4 Pole (3P + N protection depending variant)
• Compact modular DIN rail mounting
• Combines:
• Overload protection
• Short circuit protection
• Earth leakage protection
• High safety and reliable tripping performance
• Suitable for final distribution circuits

Variant Overview