Alarmtech MC 140 Manual de usuario

MC 140 Instruction manual 4-MC140-01en

Detectors

Magnetic contact

Recessed mounting

Instruction manual MC 140

DESCRIPTION

The magnetic contact MC 140 is designed for recessed

mounting in frames of doors and windows as a

protection against unauthorised opening. It has 4 screw

terminals.

MOUNTING INSTRUCTIONS

 The magnetic contact is designed to be mounted in

predrilled holes in wood or plastic with diameter Ø 19-20

 Mounting in ferromagnetic material is not recommended

 The contact and magnet should be mounted axial towards

each other. The contact in the stationary part of the

monitored object (ex. door frame) and the magnet in the

movable part (ex. door leaf)

 Alignment marks should point in the same direction

 After the installation, use an ohmmeter to check the

electrical connections and test the function of the

magnetic contact.

ALIGNMENT MARKS

CIRCUIT DIAGRAM

OPERATING PRINCIPLE

MC 140 magnetic contact has two parts: the contact part with a

reed switch and the magnet part. In its neutral position the

reed switch remains closed under the force of the magnetic

field. Opening the monitored object increases the distance

between the reed switch and the magnet. This reduces the

influence of the magnetic field on the reed switch until it opens

and activates an alarm.

Magnetic contacts should not be installed in the vicinity of

strong magnetic fields.

MC 140 Instruction manual 4-MC140-01en

TECHNICAL DATA

Working environment Wood Steel

Make distance Typ. 21 mm ±30%

Not recommended

Break distance Typ. 24 mm ±30%

Not recommended

Contact type form A (SPST)

Switching voltage max. 48 V DC/AC

Switching current max. 400 mA DC/peak AC

Contact rating max. 10 W

Environmental class (EN50130-5) II

Operating temperature range -40°C to +70°C

Operating humidity range max. 95% r. h.

Housing material ABS plastic

Dimensions:

Contact part ф 35 x 19 mm

Magnet part ф 35 x 12 mm

Security grade (EN 50131-2-6) 1

Approvals VdS EN-ST-000094, SBSC 10-30, INCERT B-582-1003

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