MK5 Series

Magnetically operated Reed Sensor with long hole for screw fastening

Characteristics

MK5 sensors are magnetically operated Reed proximity switches designed for screw mounting. The sensor should be mounted on a fixed surface with the actuating magnet, e.g. M5, on the moving surface.  The Reed Sensor and the magnet must be fixed in a definite distance to each other.  Approximation resp. removal of the magnet determines the closing and opening of the Reed Switch.  The magnetic pull-in / drop-out sensitivity is divided into five AT ranges.  A choice of switches, termination options and cable lengths is offered.

Applications

Position- and limit switch, e.g. pneumatic or hydraulic actuator position indication and end travel limit switch

Door and window contacts for the security system applications

Level sensor,use with magnetic flats for water level detection e.g. coffee-makers, washing-machines, dish-washers

Dimensions

Tolerance +/- 0.10mm (0.004 inch)

Dimension Drawing

Termination

The standard termination is a two-wire flat cable  with a cross section of 2 x 0.14mm². The standard length of the cable is 500mm, other lengths can be supplied on request. The required length has to be noted on the part number.

The cable end can be supplied with the following connection styles (please note after the length in the part number).

W Cable end cut, dismantled on 30 mm, cores stripped and tinned on 5 mm(0.2inch)
X Individual crimped terminals
Y Individual spade terminals, 2.8 x 0.8mm(0.11 x 0.03inch)
Z “MASCON” sleeve suitable for pcb connector with 2.54mm(0.1inch) pitch

Contact Data

Contact type 71 81 84 90
Contact form A/dry A/dry A/dry B/C/dry
Rated Power max. (W) 10 5 10 3
Switching voltage max. (VDC) 1801 90 400 175
Switching current max. (A) 0.5 0.5 0.5 0.25
Carry current (A) 1.02 1.0 1.0 1.2
Contact resistance max. mOhm 150 200 150 150
Breakdown voltage (contact/contact) min. (VDC) 2103 100 700 200
Operating time incl. bounce (ms) 0.5 0.5 0.5 0.7
Releasing time (ms) 0.1 0.1 0.1 1.0
Operating temperature (°C) -20/+85 -20/+85 -20/+85 -20/+85
Storing temperature (°C) -35/+85 -35/+85 -35/+85 -35/+85

1Range D & E: 200 VDC  2Range D & E: 1.75 A  3Range D: 280 VDC; Range E: 310 VDC

Other switches by request.

Magnetic Sensitivity

Sensitivity class A B C D E
Pull-in AT range 5-10 10-15 15-20 20-25 25-30
Available switches 81 71 71/84/90
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