More info
The RLT RCD-01 ELCB RCD PROTECTOR - TESTER SWITCH ADAPTOR is a safety device designed to provide residual current protection when plugged into a standard electrical socket. It is essentially a portable Residual Current Device (RCD), also sometimes referred to as an Earth Leakage Circuit Breaker (ELCB), integrated into a plug-in adaptor.
This device offers an extra layer of protection against electric shock and electrical fire risk, particularly when using portable appliances or in areas where fixed RCD protection may be absent or unreliable.
Core Function and Purpose
The primary function of the RLT RCD-01 is to monitor the electrical current flow through the live and neutral wires.
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Residual Current Detection: It constantly checks for a difference (or "residual current") between the current flowing into the appliance and the current flowing out.1 In a healthy circuit, these currents should be equal.
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Automatic Disconnection: If a leakage current is detected (ee.g., if someone touches a live wire or a fault causes current to leak to the earth), the device will very quickly trip and cut off the electricity supply.2
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Protection Level: The RLT RCD-01 typically has a high sensitivity with a Rated Trip Current of 30mA (milli-amperes), or sometimes 10mA, which is the internationally recognized level for providing additional protection against electric shock (protection against direct contact).3
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Tester Switch: It includes a Test Button (or Switch) which, when pressed, simulates an earth leakage fault. If the device is working correctly, pressing this button should cause the adaptor to trip (cut the power) instantly, confirming its function.
Technical Specifications (RLT RCD-01 30mA version)
While specifications can vary slightly by manufacturer and model variant, a common version of the RLT RCD-01 adaptor has the following typical details:
| Specification |
Value |
| Brand |
RLT (Rapid-Tech) |
| Model |
RCD-01 |
| Voltage |
230-250VAC / 50Hz |
| Maximum Current |
13A |
| Maximum Load |
Up to 3120 watts |
| Rated Trip Current ($I_{Delta n}$) |
30mA (or 10mA for some models) |
| Trip Speed |
30ms (milliseconds) |
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