SCHNEIDER MICOM-P116 Residual Current Circuit Breakers

Description

SCHNEIDER MICOM-P116 Residual Current Circuit Breakers

Schneider Electric offers a premier range of Residual Current Circuit Breakers (RCCBs), primarily under the Acti9 (iID) and Multi9 series. These devices are critical for life safety, designed specifically to detect earth leakage and prevent electric shock or fires caused by insulation faults.

Unlike a standard MCB (which protects against overloads), an RCCB monitors the balance of current between the phase and neutral conductors.

1. Product Detailed Description

Schneider RCCBs are mechanical switching devices that open automatically when the residual current (leakage to earth) exceeds a pre-determined threshold (sensitivity). They do not typically provide overload or short-circuit protection—they are almost always used in conjunction with an MCB.

Key Series:

• Acti9 iID: The flagship range for industrial and commercial use.

• Easy9: Targeted at residential applications for cost-effective protection.

• Resi9: Optimized for high-end residential smart homes.

2. Technical Parameters (Typical)

3. Product Advantages

• VisiSafe & VisiTrip: (Acti9 series) Provides a green indicator for safe downstream maintenance and a red mechanical indicator to identify earth fault tripping instantly.

• Si Type (Super Immunized): Schneider’s specialized “Si” range prevents “nuisance tripping” caused by electronic noise, lightning strikes, or high-frequency interference (common in computer labs or LED lighting setups).

• Front-face Class II Insulation: Ensures total safety for the operator during manual switching.

• Easy Installation: Fast-closing mechanisms and double-clip systems for easy DIN rail removal even when busbars are present.

4. Important Considerations (Precautions)

• Not an MCB: A standard RCCB cannot detect short circuits or overloads. It must be protected by an upstream MCB or fuse of appropriate rating.

• Regular Testing: Users must press the “Test” (T) button periodically (usually every 1–6 months) to ensure the internal mechanical linkage is functional.

• Type Selection: With the rise of EVs and solar inverters, Type AC is often insufficient. Ensure you select Type A or B if DC components are present in the leakage current.

• Wiring Direction: Ensure the neutral wire is connected to the designated “N” terminal to ensure the test circuit functions correctly.

5. Product Applications

• Residential: 30mA RCCBs are mandatory for socket outlets and bathroom circuits to prevent fatal electrocution.

• Industrial: 300mA units are used for global fire protection in warehouses and factories where insulation breakdown could cause a fire.

• Healthcare: Used in medical facilities (often Type Si) where high continuity of service and sensitivity are required.

• Infrastructure: Protection for EV charging stations (typically requiring Type B) and outdoor lighting.

Shipping Port: Xiamen, China

Payment: Bank of Chicago, Bank of Singapore

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