50 Amp 30mA RCBO - MK

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5017490560520 7939S

RCBO terminal capacity,
Live: 25 mm
Neutral: 10mm

Tripping Current, 30mA

MK Sentry 50 Amp 30mA RCBO 1 Module - Oct 2009

An RCBO is a combination of an MCB and RCD
This enables both overcurrent protection and earth fault current protection by a single unit.

Single module Sentry RCBOs may be installed anywhere along the length of the busbar and will occupy one outgoing way.

They are suitable also for installation in Sentry Consumer Units and in Sentry two or four module enclosures.

The current carrying capacity of the cable should always exceed the current rating of the MCB.

Dimensions:
112 x 18 x 73mm
Cable Capacity:
Live 25mm2,
Neutral 16mm2
Short-circuit breaking capacity: 6KA
BS EN 61009-1
BS IEC 61009-2-2

7900 series replaced the 6900 series - Oct 2009
They are interchageable with each other (However the switches do not align exactly with the old MCB' & RCBO's)

Order Code

Description

Price (ex vat)

Qty

MK 7939S

50 Amp 30mA RCBO - MK

EA
22.25