Tesla RCDM3PN10 RCD/MCB Safety Switch RCBO 10 Amp 3P+N 6kA 30mA Type A C Curve 3 Module 53mm

Description

Three-Phase Protection in Three Modules

The Tesla RCDM3PN10 is a 3P+N residual current breaker with overcurrent protection, combining 10A C-curve circuit breaking with 30mA Type A earth leakage sensing in a compact three-module body. It delivers three-phase-and-neutral safety switching where distribution board space is at a premium.

This RCBO handles two protective jobs at once: interrupting overload and short-circuit currents, and disconnecting the supply the moment it detects earth leakage. Rated at 400/415V AC with a 6kA breaking capacity, it is built for three-phase final subcircuits.

Key Features

• 10A rated current, C-curve tripping characteristic
• 3P+N configuration, active poles switched
• 30mA rated residual operating current, Type A
• 6kA (6000A) short-circuit breaking capacity
• 400/415V AC, 50/60Hz
• Three-module 53mm width
• 900mm neutral flying lead
• 2500V dielectric strength
• Terminals accept cables up to 25mm²
• 2.5Nm terminal tightening torque
• IP20 ingress protection
• 35mm DIN rail mount

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Why it Matters

Combined Protection in One Unit

An RCBO merges overcurrent protection and residual current detection into a single device. The RCDM3PN10 guards against overload and short circuit through its circuit-breaker element, while the 30mA earth leakage trip provides protection against electric shock. This removes the need to fit and wire separate MCB and RCD devices on a three-phase circuit, and keeps overcurrent and earth-leakage protection tied to the same subcircuit.

C-Curve Tripping

The C-curve characteristic sets the magnetic trip threshold for short-circuit and inrush currents. It is a general-purpose curve widely used across mixed loads, tolerating normal switching surges without nuisance tripping while still disconnecting quickly under genuine fault conditions. The 6kA breaking capacity defines the maximum prospective short-circuit current the device can safely interrupt.

Type A Residual Sensing

Type A residual current detection responds to both AC and pulsating DC earth leakage. This makes it suited to circuits feeding equipment with electronic components, where DC leakage can otherwise go undetected by simpler AC-only devices. The 2500V dielectric strength reflects the insulation withstand built into the unit.

Compact Three-Module Format

At 53mm wide across three modules, the RCDM3PN10 fits three-phase protection into a tighter footprint than many comparable devices, freeing space on the distribution board. The 900mm neutral flying lead simplifies connection to the neutral bar, and terminals accepting cable up to 25mm² at 2.5Nm allow for straightforward, secure terminations on standard 35mm DIN rail.

Q: Is the RCDM3PN10 a Type A RCBO?
A: Yes. It provides Type A residual current sensing, detecting both AC and pulsating DC earth leakage at a 30mA operating current.

Q: What breaking capacity does it have?
A: It has a 6kA (6000A) short-circuit breaking capacity, rated at 400/415V AC.

Q: How wide is the unit on the DIN rail?
A: It occupies three modules at 53mm total width and mounts on standard 35mm DIN rail.

Warranty

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