Tesla LNL35C32 RCD/MCB Safety Switch RCBO 32 Amp 3P+N 10kA A Type C Curve 3 Module 415V

Description

Serious current, seriously compact protection.

Thirty-two amps across three phases usually means a submain or a plant circuit, and those are exactly the circuits where a trip has to be clean and the terminations have to take real cable. The Tesla LNL35C32 handles both, rated to 10 kA and only 54mm deep.

Key Features

• 32 amp rated current
• 10 kA breaking capacity
• 3P+N, switched neutral
• A Type residual current classification
• C curve tripping characteristic
• 400/415V AC, 50/60Hz
• Electronic operation
• Terminals accept cables up to 25mm2
• 80cm flying neutral lead
• 54mm body depth
• Energy limiting class 3
• 2000A residual making and breaking capacity
• 10,000 electrical and 30,000 mechanical operations
• Mounts on 35mm DIN rail
• IEC/EN AS/NZS 61009-1, IEC 61009-2-2, AS/NZS 61009.1

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Why it Matters

Terminations sized for the cable you are actually running
At this rating the conductor landing in the device is no longer small, and a terminal that will not accept the cable forces an inline joint or a separate connection block. The terminals here take up to 25mm2, which covers the sizes typically pulled to a three phase circuit at 32 amps. Fewer joints means fewer places for a loose connection to develop heat.

All four conductors break together
The device is 3P+N with a switched neutral, so a trip opens the neutral alongside the three actives. The neutral is landed via an 80cm flying lead, long enough to reach a neutral bar positioned anywhere in the panel. On a circuit feeding plant that will be isolated for maintenance, having the neutral positively opened rather than left connected is a meaningful difference.

Fault energy and how much gets through
The 10 kA rating sets the ceiling on the fault current this device can interrupt, and energy limiting class 3 characterises the let-through energy that reaches the load side while it does so. The residual element separately carries a 2000A making and breaking capacity. C curve tripping accommodates the starting inrush associated with motor and transformer loads without nuisance tripping at 32 amps.

Compact enough for a crowded panel
Tesla puts the body depth at 54mm against a more common 68mm for this device class. Behind the escutcheon that reclaims room for cable bending radius, which is generally the first thing to run short in a busy board. Rated life is 10,000 electrical and 30,000 mechanical operations, and the device is manufactured to IEC/EN AS/NZS 61009-1, IEC 61009-2-2 and AS/NZS 61009.1.

What size cable will the Tesla LNL35C32 terminals accept?
The terminal capacity is cables up to 25mm2, and the neutral is landed separately through an 80cm flying lead rather than a terminal on the body.

Is the LNL35C32 suitable for a three phase submain at 32 amps?
It is a 3P+N RCBO rated 32 amps at 400/415V AC 50/60Hz with a 10 kA breaking capacity, mounted on 35mm DIN rail.

What standards is the Tesla LNL35C32 built to?
Tesla lists IEC/EN AS/NZS 61009-1, IEC 61009-2-2 and AS/NZS 61009.1 on the LNL35 product data sheet, and rates the mechanism at 10,000 electrical and 30,000 mechanical operations.

Warranty

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