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Resys M40
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25 Jun 2020
France
1 Pieces
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Specification of

RESYS M40
Type A differential relays for motor load break
RESYS M40 earth leakage relays associated with a remote trip breaking device (automatic power breaking), provide the following functions:
- protection against indirect contact,
- limitation of leakage currents.
They also preventively monitor electrical installations via their (configurable) pre-alarm function or when used as signalling relays.

Advantages
Fully configurable
• 2 relays with configurable function (alarm or pre-alarm at 50% I∆n)
• Adjustment of I∆n from 0.03 to 30 A.
• Time delay 0 to 10 s.
• Positive or negative security configurable by the user.
• Selection of toroid ratio.

Tripping accuracy by TRMS measurement
Improves immunity to nuisance tripping.

Instantaneous display of permanent leakage currents
The LED bargraph provides a real-time display of fluctuations in leakage currents.

Compact modular design
44 mm in width, the unit allows easy integration into dedicated enclosures. The adjustment buttons are protected by a sealable cover, while the display of available alarms is displayed directly on the front face of the device.

Improved immunity to EMC interferences
The device has new electronics which improve electromagnetic compatibility.

General characteristics
• RESYS M40 with 2 configurable relays:
- either 2 alarm relays,
- or 1 alarm relay and 1 pre-alarm relay (50 % In).
• Adjustment sensitivity from 0.03 mA to 30 A.
• Time delay 0 to 10 s.
• Tripping accuracy by TRMS measurement.
• Automatic instantaneous tripping at 30 mA.
• Positive or negative security configurable by the user.
• Selection of toroid ratio.
• Automatic permanent relay-toroid connection test.
• Sealable cover.


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