Tesla RCDM1406A RCBO RCD MCB Safety Switch 40 Amp 1 Pole 6kA Type A 30mA C Curve 240V IEC 61009

Description

The largest rating in the 6 kA single pole range.

The Tesla RCDM1406A is a 40 amp single pole RCBO carrying a 6 kA breaking capacity and 30 mA Type A earth leakage detection. It sits at the top of a family that starts at 10 amps, for the heaviest single phase circuits on the board.

Key Features

• 40 A rated current, 1 pole
• 6 kA breaking capacity
• Type A RCD protection class
• 30 mA earth leakage detection
• C curve overcurrent protection
• 240V, 50/60Hz
• Integral filtering device against transient voltage and transient currents
• Electromechanical endurance 4000
• Compliance with IEC 61009
• 10 year warranty

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Forty Amps at the Top of the Range

Tesla builds this single pole RCBO family from 10 amps up to 40 amps, and the RCDM1406A is the largest of them. A 40 amp rating is reserved for the heaviest single phase circuits a board carries, and combining the residual current and overcurrent functions at that rating means the circuit gets dedicated earth leakage protection rather than relying on a shared upstream device.

The 6 kA figure is the breaking capacity, describing the prospective short circuit current the device is rated to interrupt. It is a separate quantity from the 40 amp rating, which governs normal loading, and a higher breaking capacity gives more margin on boards fed closer to the transformer.

Filtering Out What Should Not Trip It

Tesla specifies that this RCBO incorporates a filtering device that prevents the risks of unwanted transient voltage and transient currents. Transients are the short lived spikes that ride in on a supply from switching events and nearby equipment, and they are a common cause of residual current devices dropping out when nothing is actually wrong with the circuit.

Paired with the C curve overcurrent characteristic, which tolerates a higher momentary inrush before the magnetic element operates, the result is a device built to stay in when it should and trip when it must. Electromechanical endurance is rated at 4000 operations.

Type A Detection and Compliance

Detection is Type A, the RCD protection class that responds to sinusoidal AC residual currents and to pulsating DC residual currents. Earth leakage trips at 30 mA. Rated voltage is 240V at 50/60Hz, matching Australian single phase supply.

Tesla lists compliance with IEC 61009. Tesla publishes a 10 year warranty on the range.

Q: Does the Tesla RCDM1406A guard against nuisance tripping from transients?
A: Tesla states the RCBO incorporates a filtering device that prevents the risks of unwanted transient voltage and transient currents. The C curve characteristic also tolerates a higher momentary inrush than a B characteristic.

Q: What warranty does Tesla publish on this RCBO?
A: 10 years. The warranty is stated on the Tesla product data sheet for the 1 pole 6 kA RCBO range.

Q: What is the highest current rating in this Tesla single pole 6 kA RCBO range?
A: 40 amps, which is this device. The range runs from 10 amps to 40 amps, all sharing the 6 kA breaking capacity and 30 mA Type A detection.

Warranty

This product is backed by an extended manufacturer warranty - click here for details.