G

G-65

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CM Series Safety Interlock Switches

Control Unit Specifications

Electrical

CM-S4

CM-S30

CM-S41, CM-S21 & CM-SE

Power Supply:

24 VAC/DC ± 10%

24 VAC/DC ± 10%

CM-S41 — 24 VAC/DC, 110/230 VAC

CM-S21 & CM-SE — 24 VAC/DC

Power Consumption:

2.4 VA typical, 0.25 A quick acting

120 mA

CM-S41 — 6 VA;

CM-S21 & CM-SE — 3 VA

Input Fuse:

500 mA resetable

750 mA resetable

500 mA resetable

Safety Inputs:

1 N/O + 1 N/C

1 N/O + 1 N/C

CM-S41 —

4 CM-S11 or CM-S31 switches

CM-S21 —

2 CM-S11 or CM-S31 switches

CM-SE — 5 CM-S11 or CM-S31 switches

Max Cable Length:

—

—

100 m (328 ft.)

Max Input Resistance:

Contact factory

Contact factory

Contact factory

Relay Outputs:

1 N/O safety + 1 N/O aux.

2 N/O safety + 1 N/C aux.

CM-S41 & CM-S21 — 2 N/O;

CM-SE — N/A

Max Switched Current/Voltage:

4 A / 24 VAC/DC

3 A / 24 VAC/DC

4 A / 230 VAC; 2 A / 24 VDC (resistive)

Min Switched Current/Voltage:

4 mA / 12 V

4 mA / 12 V

10 V / 10 mA

Impulse Withstand Voltage:

250 V

250 V

250 V

Max Drop-Out Time:

18 ms

18 ms

Deactivation by sensor 13 mS

Max Output Fuse:

4 A quick acting

4 A quick acting

AC = 5 A; DC = 2.5 A; quick acting

Reset Mode:

Automatic

Automatic/Manual, monitored Monitored manual or automatic

External Device Monitoring:

N/C loop between Y1 and Y2

Between Y1, Y2, Y3

N/C loop between X1 and X2

Mechanical

Mounting:

35 mm (1.38 in.) DIN rail

35 mm (1.38 in.) DIN rail

35 mm (1.38 in.) DIN rail

Case Material:

Polyamid PA6.6

Polyamid PA6.6

Polycarbonate

Max Wire Size:

2 x 2.5 mm2 (12 AWG)

1 x 2.5 mm2 (14 AWG)

1 x 2.5 mm2 stranded, 1 x 4 mm2 solid

Weight:

240 g (8.5 oz.)

230 g (8.1 oz.)

CM-S41 — 575 g (20.3 oz.)

CM-S21 — 183 g (6.5 oz.)

CM-SE — 135 g (4.8 oz.)

Color:

Grey

Red/Grey

Red

Indication:

U: Green = On

Outputs Open: Red = On

Outputs Closed: Green = On

D11, D12, D21, D22: Green = Gate closed

D31, D32, D41, D42: Red = Gate open

Green = Power On

Green = K1 On

Green = K2 On

Power = Red

Outputs Closed: Green = On

Outputs Open: No Light = Off

Gate Closed: Yellow = On

Gate Open: No Light = Off

Mechanical Life:

3 x 107

1 x 107

1 x 106

Environmental

Protection:

Housing IP40, Terminals IP20

Housing IP40, Terminals IP20 Housing IP40, Terminals IP20

Operating Temperature:

0 to 50°C (32 to 122°F)

0 to 55°C (32 to 131°F)

10 to 55°C (50 to 131°F)

Humidity:

95%

93%

85%

Compliance

Standards:

EN292, EN60204-1, ISO 13849-1, EN1088, EN60947-5-3, EN947-5-3,

EN50081, EN50082, EN61000-6-2

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 (TUV pending for CM-S30)

Safety Category:

Cat 3 per EN954-1

(internal operation)

Cat 4 per ISO 13894-1

(internal operation)

Cat 3 per EN954-1

(internal operation)

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.

Select models are available for Rapid Delivery.

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