Chint NL1-63 2P 63A 30mA RCCB – Residual Current Circuit Breaker, AC Type, 2 Pole, 6kA Withstand, Earth Leakage Protection for High-Load Single-Phase Circuits

Product Code: NL1-63-2P-63A-30mA
Brand: Chint
Product Type: RCCB (Residual Current Circuit Breaker)
Pole Configuration: 2 Pole (2P)
Rated Current: 63 Amperes (63A)
Sensitivity (Residual Operating Current): 30mA
Type: AC (detects sinusoidal AC leakage)
Short-Circuit Withstand Capacity (Im): 6kA (when used with backup MCB)
Mounting Type: DIN Rail
Standard Compliance: IEC/EN 61008-1

Product Overview

The Chint NL1-63 2P 63A 30mA RCCB is a high-capacity residual current device that ensures life-saving protection by instantly disconnecting the circuit upon detecting earth leakage currents above 30mA. Designed for single-phase applications, it safely disconnects both the live and neutral conductors, minimizing the risk of electrical shock and fire hazards.

This 63A version supports larger household or commercial loads, making it suitable for submain protection, water heaters, HVAC units, and equipment requiring higher current. The AC-type sensing makes it effective in detecting common sinusoidal leakage currents.

Key Features

• 🔋 63A High Current Rating – Supports high-load residential and commercial circuits

• ⚠️ 30mA Sensitivity – Offers dependable protection against electric shock

• 🔌 2 Pole Isolation (L + N) – Disconnects both phase and neutral on fault detection

• 🌐 AC Type – Detects standard alternating leakage currents

• ⚡ 6kA Withstand Capacity – When paired with a backup MCB, handles high fault conditions

• 🧲 DIN Rail Mounted – Compact and quick to install in consumer units and panels

• ✅ IEC/EN 61008-1 Certified – Globally recognized safety and performance standard

Technical Specifications

Typical Applications

• Main or submain protection for households and apartments

• Commercial installations with high single-phase demand

• Earth leakage protection for electric showers, water heaters, air conditioning systems

• Outdoor and wet area socket circuits

• General-purpose protection in consumer units and load centers

Why Choose Chint NL1-63 2P 63A 30mA RCCB?

The Chint NL1-63 RCCB (63A/30mA) provides dependable, certified, and robust protection for high-current single-phase systems. With its high fault withstand, quick disconnection, and double-pole design, it’s a trusted choice for electricians, installers, and engineers who value safety and durability.