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USA Tel. 1/888/510-4357

Canada Tel. 1/800/221-7060

For the Latest Information

On the Internet: www.sti.com

E-mail: sales@sti.com

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I

Ordering

Model

Supply

Inputs

Outputs

Auxiliary

Part No.

SR103AM01

24 VAC/DC

2 N/C

3 N/O

1 N/C

44510-1031

SR103AM02

115 VAC

2 N/C

3 N/O

1 N/C

44510-1032

SR103AM03

230 VAC*

2 N/C

3 N/O

1 N/C

44510-1033

*230 VAC units are available on special order. Minimum quantities may apply.

SR103AM

I

Specifications

Electrical

All Models

SR103AM01

SR103AM02

SR103AM03

Power Supply:

±10%, 50-60 Hz

24 VAC/DC

115 VAC

230 VAC

Power Consumption:

Approx. 1 VA

Safety Inputs:

1 N/C or 2 N/C or 2 solid state (light curtain)

Max Input Resistance:

800 Ohms per channel

Outputs:

3 N/O + 1 N/C auxiliary

Output Rating AC:

Inductive AC-15, 3 A/230 VAC

Output Rating DC:

Inductive DC-13, 2 A/24 V

Min Switched Current/Voltage:

10 mA/10 V

Impulse Withstand Voltage:

2500 V

Max Drop-Out Time:

12 ms (75 ms by removing supply voltage)

Max Output Fuse:

6 A quick-acting or 4 A slow-acting

Reset Mode:

Monitored manual (S11-S21) or automatic/manual (S12-S21)

Contactor Monitoring:

N/C loop S11/S12-S21

Mechanical

Mounting:

35 mm (1.38 in.) DIN rail

Case Material:

Fiber-filled Polyamide PA6.6

Max Wire Size:

1 x 2.5 mm2 (14 AWG) stranded

Weight:

230 g (8.1 oz.)

Color:

Red

External Switches:

None

Indication:

Green = K1 Closed, Green = K2 Closed

Mechanical Life:

1 x 107 operations

Environmental

Enclosure Protection:

IP20 terminals, IP40 (NEMA 1) housing

Operating Temperature:

24 VAC/DC: -15 to 40

°C (5 to 104°F)

115/230 VAC: -15 to 40

°C (5 to 104°F)

Humidity:

93% RH at 104

°C (219°F)

Compliance

Standards:

EN 60204-1, EN 954-1, VDE 0113-1

Approvals/Listings:

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

Safety Category:

Cat. 4 per EN954-1 (SR103 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.