G

G-64

www.sti.com/info

Switch Specifications

Electrical

CM-S1, CM-S2,

CM-S3

CM-S5, CM-S6

CM-S221, CM-

S521, CM-S621

CM-S11

CM-S31

CM-S321,

CM-S421

Safety Contacts:

1 N/C + 1 N/O

1 N/C + 1 N/O

2 N/C + 1 N/O

Current Sensing

Circuit

Current Sensing

Circuit

2 N/C + 1 N/O

N/C Operating Distance:

CM-S1 —

On = 3 mm;

Off = 8 mm

CM-S2 and

CM-S3 —

On = 6 mm;

Off = 13 mm

On = 7 mm;

Off = 10 mm

On = 7 mm;

Off = 10 mm

On = 5-7 mm; Off

= 8-12 m

On = 5-7 mm; Off

= 8-12 mm

On = 7 mm;

Off = 10 mm

Minimum Gap:

1 mm

1 mm

1 mm

1 mm

1 mm

1 mm

Max Switched Current/

Voltage:

500 mA / 24 V

300 mA / 24 V

300 mA / 24 V

300 mA / 24 V

Mechanical

Mounting:

2 x M4

screws supplied

2 x M4

screws supplied

2 x M4

screws supplied

2 x M4

screws supplied

2 x M4

screws supplied

3 x M4

screws supplied

Case Material:

Glass filled PPS

ABS

ABS

ABS

316 stainless

steel

316 stainless

steel

Max Wire Size:

Pre-wired cable

to 5 m

Pre-wired cable

to 10 m

Pre-wired cable

to 10 m

Pre-wired cable

to 10 m

Pre-wired cable

to 10 m

Pre-wired

cable to 5 m,

6-pin micro AC

connector

Weight:

230 g (8.1 oz.)

207 g (8.1 oz.)

230 g (8.1 oz.)

207 g (7.3 oz.)

265 g (9.3 oz.)

545 g (19.2 oz.)

Color:

Red

Red

Red

Red

Stainless

Stainless

Mechanical Life:

106

106

106

106

106

106

Environmental

Protection:

IP67 (NEMA 6)

IP67 (NEMA 6)

IP67 (NEMA 6)

IP67 (NEMA 6)

IP67 (NEMA 6)

IP67 (NEMA 6)

Operating Temperature:

-10 to 55°C

(14 to 131°F)

-10 to 55°C

(14 to 131°F)

-10 to 55°C

(14 to 131°F)

-10 to 55°C

(14 to 131°F)

-10 to 55°C

(14 to 131°F)

Connector

Models:

-10 to 55°C

(14 to 131°F)

Integrated

Cables:

-10 to 95°C

(14 to 203°F)

Humidity:

95% RH at 55°C (131°F)

Compliance

Standards:

EN292, EN60204-1, EN954-1, EN1088, EN60947-5-3, EN947-5-3, EN50081, EN50082, EN61000-6-2

Approvals/Listings:

CE marked for all applicable directives, UL and C-UL.

TUV certified: CM-S1, CM-S2, CM-S3, CM-S11 and CM-S31.

Specifications are subject to change without notice.

Note: The safety contacts of the STI switches are described as normally closed (N/C) i.e., with the guard closed, actuator in place, and

the machine able to be started.

CM Series Safety Interlock Switches

Select models are available for Rapid Delivery.

Visit this product on www.sti.com for details.