Alarmtech MC 740-E-M14 Instruction Manual

Magnetic contact surface mounting

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MC 740-E-M14 Instruction Manual
Detectors
Instruction Manual

TECHNICAL DATA

Working environment
Make distance
Break distance
Contact type
Switching voltage max.
Switching current max.
Contact rating max.
Cable
Operating temperature range
Operating humidity
Housing material
Dimensions:
Contact part
Magnet part
© 2020 Alarmtech
MC 740-E-M14
MC 740-PE-M14
Rev. MC740-E-M14_2048en
MC 740-E-M14 and MC 740-PE-M14

DESCRIPTION

MC 740-E- M14 is a surface mounted magnetic contact used
in both alarm and security access control systems for
protection of doors and windows against unauthorised
opening. The magnetic contact is designed to be mounted in
places with limited space. The magnet part is easy to mount
with supplied rivet or screw.
MC 740-PE-M14 is a variant of MC 740-E-M14 with the cable
inlet at the bottom of the housing is available.
CIRCUIT DIAGRAM

OPERATING PRINCIPLE

MC 740-E-M14 magnetic contact has two parts: the contact
part with a reed switch and the ring 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.
Wood
typ. 25 mm +/– 40 %
typ. 28 mm +/– 40 %
form A, SPST
48 V DC/AC
400 mA DC/peak AC
10 W
ф 3,4 mm, 4x0,182 mm
2
-40°C to +55°C
max. 95% RH
plastic ABS
60 x 5 x 14 mm
Ф14 x 3,5 mm
4-MC740-E-M14-01
Magnetic Contact
Surface mounting
Steel
not recommended
not recommended
Page 1 of 2

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Summary of Contents for Alarmtech MC 740-E-M14

  • Page 1 The magnet part is easy to mount with supplied rivet or screw. MC 740-E-M14 MC 740-PE-M14 is a variant of MC 740-E-M14 with the cable inlet at the bottom of the housing is available. CIRCUIT DIAGRAM...
  • Page 2 The contact should be of the contact part. mounted on the stationary part of the monitored object (ex. MC 740-E-M14 / MC 740-PE-M14 in front to front door frame) and the magnet on the movable part (ex. door configuration leaf, roller-shutter).

This manual is also suitable for:

Mc 740-pe-m14

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