Lauritz Knudsen Tripper, RCCB, 63A | 2 Pole | 300mA | Finger proof IP20 terminals | 240V AC | ISI Certified

About the Product

The Tripper RCCB 63A DP 240V AC 300mA is a heavy-duty Residual Current Circuit Breaker (RCCB) designed to provide robust protection against earth leakage faults. It is specifically intended for applications requiring fire protection & upstream electrical safety rather than direct human shock protection.

With a 63A current rating & 300mA residual current sensitivity, this RCCB is ideal for high load circuits where detecting & interrupting large leakage currents is critical for preventing electrical fires. The double pole (DP) configuration ensures simultaneous disconnection of both phase & neutral conductors, providing complete circuit isolation during fault conditions.

How the RCCB Works

The RCCB continuously monitors the current balance between phase & neutral conductors:

• Detects imbalance caused by leakage currents to earth

• Identifies abnormal current flow outside the intended circuit path

• Trips automatically when leakage exceeds the 300mA threshold

• Disconnects both phase & neutral simultaneously

• Helps prevent electrical fires caused by sustained leakage currents

This ensures reliable protection for electrical installations & connected equipment.

Technical Specifications

• Rated current: 63A

• Poles: Double pole (DP)

• Rated voltage: 240V AC

• Residual current sensitivity: 300mA

• Function: Earth leakage protection

• Application: Fire protection & upstream safety circuits

Construction & Design

The RCCB is engineered for durability & long-term performance:

• Double pole design for complete circuit isolation

• Compact modular construction

• DIN rail mountable for easy installation

• High precision tripping mechanism

• Robust internal components for consistent performance

Safety & Protection

• Protects against earth leakage faults

• Designed primarily for fire protection applications

• Reduces risk of insulation failure hazards

• Ensures complete disconnection of phase & neutral

• Enhances system safety & reliability

Mounting & Durability

• DIN rail mountable for quick installation

• Suitable for distribution boards & electrical panels

• Compact design for efficient panel space utilization

• Designed for long mechanical & electrical life

• Reliable under continuous high-load operation

Application Areas

• Industrial & commercial electrical systems

• Main distribution & upstream protection circuits

• High load equipment & machinery circuits

• Fire protection installations

• Electrical distribution boards

Key Features

• 63A rated RCCB for high load applications

• Double pole (DP) configuration for full isolation

• 300mA earth leakage sensitivity for fire protection

• Accurate leakage detection & fast tripping

• Compact DIN rail mountable design

• Durable & heavy-duty construction

Applications

• Upstream distribution protection

• Fire risk mitigation systems

• Industrial & commercial electrical installations

• Heavy load equipment circuits

• Electrical distribution panels

FAQs

1. What is an RCCB?
Ans: An RCCB is a device that detects earth leakage currents & disconnects the supply to prevent hazards but does not provide overload or short circuit protection.

2. What does 300mA sensitivity mean?
Ans: It means the RCCB trips when leakage current exceeds 300mA, mainly used for fire protection rather than personal safety.

3. What does DP mean?
Ans: DP (Double Pole) means both phase & neutral conductors are disconnected simultaneously.

4. Does this RCCB protect against overload?
Ans: No, RCCBs only provide earth leakage protection. An MCB is required separately for overload & short circuit protection.

5. Where is a 63A 300mA RCCB used?
Ans: It is used in high load circuits such as industrial systems, commercial installations, & upstream distribution boards for fire protection.

6. Why use 300mA RCCB instead of 30mA?
Ans: 300mA RCCBs are designed for fire protection & system-level safety, while 30mA RCCBs are intended for protecting users against electric shock.

7. How is this RCCB installed?
Ans: It is installed on a DIN rail inside a distribution board or electrical panel for easy integration into electrical systems.