Residual current device P 304 4P 63 A 300 mA Type A, TX3 series 411786

Residual Current Devices (RCDs) of the TX³ Series – Safety and Reliability in Your Installation

This four-pole residual current device P 304 63 A, with a sensitivity of 300 mA and type A characteristic, is a critical component ensuring protection of people and equipment in electrical installations. Designed for both shock and fire protection, it provides a reliable solution for professional installers and end users alike. The device complies with safety standards and features high manufacturing quality, guaranteeing long-term, fault-free operation.

Design and Installation – Simplicity for Professionals

The RCD has been engineered for easy DIN-rail mounting. The lower clip and shielded terminals simplify cable connection, saving time and minimizing the risk of errors. Its compact dimensions (4 modules wide, 44 mm deep) allow installation even in space-constrained distribution boards. Additionally, the device’s lockable feature provides enhanced safety during maintenance or repair.

Functionality and Specifications – Protection Tailored to Your Needs

The TX³ series RCD P 304 offers a range of advantages:

• High short-circuit withstand capacity: Withstands short-circuit currents up to 10 kA, ensuring effective protection in case of faults.
• Type A characteristic: Designed to detect both alternating and pulsating DC residual currents, making it especially suitable for modern installations with electronic devices.
• Rated current 63 A: Enables protection of circuits with higher power demand.
• Residual current 300 mA: Ideal for applications requiring protection against indirect contact.
• Expandability: Compatible with auxiliary devices (auxiliary contacts, signaling units), allowing customization to meet individual requirements.
• Wide operating temperature range: Reliable operation from -25°C to 60°C.
• Compliance with standards: Meets requirements of IEC/EN 61008-1 and VDE 0664-10, ensuring safety and operational reliability.
• Conductor cross-sections: Supports single-core conductors from 0.75 mm² to 50 mm² and multi-core conductors from 0.75 mm² to 35 mm².

The device also features a built-in test button for regular functional verification—a simple step to confirm the protection is working correctly. The rated impulse voltage withstand (Uimp) is 4 kV, enhancing surge immunity. The IP20 protection rating ensures protection against finger contact and solid objects larger than 12.5 mm.