SCHURTER GmbH

D – 79346 Endingen

www.schurter.com

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3 of 17

07.03.2008

Schillak

Schöchlin

9701

105.9534

a

Print date: 28/03/2008 08:31:00

1

PRODUCT DESCRIPTION

Both, the housing and the actuator of the vandal-proof MSM DP switch are made of high-quality

stainless steel. By applying this robust and weather-resistant material, the switch is particularly

suitable for the use in harsh environments. Furthermore, the switch can be used in applications

where an additional second contact is required for a safety circuit.

The MSM DP is available with mounting diameters of 19, 22 and 30 mm. The switch is equipped

with two separated switching contacts which are available as normally open, normally closed or as

change-over. Different types of contact cover a range of permissible switching voltages from 30

VDC to 250 VAC, switching currents are permissible from 0.1 to 10 Ampere. The MSM DP is

equipped with flat-pin plugs to permit fast connection. The cables are plugged onto the micro

switch which is subsequently plugged onto the previously screwed-in switch. Point and ring-

illuminated versions are available for applications at night or as an optical status display.

2

TECHNICAL DATA AND DIMENSIONAL DRAWINGS

2.1

Technical Data

Micro Switch for Electrical Rating

(Protection Class IP 40)

0.1 A

30 VDC

5 A

125 VAC

3 A

250 VAC

10 A

250 VAC

Electrical Data

Contact Material

gold

silver

silver

Switching Voltage max.

(VAC)

(VDC)

30

125 / 250

250

Switching Current max.

(A)

0.1

5 / 3

10

Rated Braking Capacity

(W)

3

1250

2500

Lifetime

200,000

200,000

50,000

1,500,000

Initial Contact Resistance, new

(mΩ)

< 50

< 30

< 30

(MΩ)

> 100

> 100

> 100

Contact Bounce Time

(ms)

< 5

< 5

< 5

1)

The electrical lifetime according to ENEC or UL approbation can vary, depending on the corresponding micro switch, under

the lifetime indicated above. The type and license numbers for the individual micro switches can be found in “point 6

approvals”.