Mechanical limit switch Siemens model 3SE51220CH01

Technical specifications

Product type designation

3SE5

protection class IP

IP66/IP67

Net weight

0.386 kg

width of the sensor

56 mm

Mounting position

any

design of the interface for safety-related communication

without

product brand name

SIRIUS

product designation

Mechanical position switches

of the supplied basic switch

3SE5122-0CA00

of the supplied actuator head for position switches

3SE5000-0AH00

of the supplied operating lever

3SE5000-0AA01

of the supplied switching contacts

3SE5000-0CA00

of the supplied empty enclosure with cover

3SE5122-0AA00

product function positive opening

Yes

insulation voltage rated value

400 V

degree of pollution

class 3

surge voltage resistance rated value

6 kV

according to IEC 60068-2-27

30 g / 11 ms

vibration resistance according to IEC 60068-2-6

0.35 mm/5 g

mechanical service life (operating cycles) typical

15 000 000

electrical endurance (operating cycles) at AC-15 at 230 V typical

100 000

thermal current

10 A

material of the enclosure of the switch head

plastic

reference code according to IEC 81346-2

B

continuous current of the C characteristic MCB

1 A; for a short-circuit current smaller than 400 A

continuous current of the quick DIAZED fuse link

10 A; for a short-circuit current smaller than 400 A

continuous current of the DIAZED fuse link gG

6 A

active principle

mechanical

repeat accuracy

0.05 mm

Substance Prohibitance (day/month/year)

07/01/2006

SVHC substance name

Imidazolidine-2-thione (2-imidazoline-2-thiol) CAS-No. 96-45-7

minimum actuating torque in directions of actuation

0.25 N·m

length of the sensor

127.5 mm

during operation

-25 ... +85 °C

during storage

-40 ... +90 °C

explosion protection category for dust

none

Documents / datasheets

Source reviewed: 2026-10-24

Description

Mechanical limit switch Siemens part number 3SE51220CH01; design of the interface for safety-related communication: without; insulation voltage rated value: 400 V; surge voltage resistance rated value: 6 kV. Technical specifications, condition and supply feasibility are checked before ordering.