Safety Monitoring Relays SR103AM SR103AM For full product information, visit www.sti.com. Use the SpeedSpec code or scan the QR Code for quick access to the specific web page. Dual-Channel Safety Monitoring Relay Power requirementsthe SR103AM will accept 24 VAC/DC or 115 VAC Inputsthe SR103AM will accept single or dual N/C inputs or dual inputs from a light cur tain (see SR102AM for application wiring for a light cur tain) Outputsthe SR103AM has 3 N/O outputs to route power to the coils of power contactors, plus 1 N/C auxiliar y output for signaling purposes Exter nal Device Monitoring (EDM) is provided with a N/C loop between S11/S12 and S21 on the SR103AM Monitored manual or automatic/manual reset modes are available on the SR103AM. Monitored manual reset requires closure of the reset circuit followed by opening of the circuit. Reset occurs when circuit is opened. Auto reset requires only closure of the reset circuit as reset occurs when circuit is closed. A Rapid Deliver y Product: Select models are available for shipment today or within 3 to 5 days R C US Specifications Confor ms to EN60204-1, EN954-1, VDE 0113-1 Electrical All Models SR103AM01 SR103AM02 UL and C-UL listed Power Supply: 10%, 50-60 Hz 24 VAC/DC 115 VAC TV Rheinland approved Power Consumption: Approx. 1 VA Safety Inputs: 1 N/C or 2 N/C or 2 solid state (light cur tain) Max Input Resistance: 800 Ohms per channel Outputs: 3 N/O + 1 N/C auxiliar y 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 J 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 2 Max Wire Size: 1 x 2.5 mm (14 AWG) stranded Weight: 230 g (8.1 oz.) Color: Red Exter nal Switches: None Indication: Green = K1 Closed, Green = K2 Closed 7 Mechanical Life: 1 x 10 operations Environmental Enclosure Protection: IP20 ter minals, IP40 (NEMA 1) housing Operating Temperature: 24 VAC/DC: -15 to 40C (5 to 104F) 115 VAC: -15 to 40C (5 to 104F) Storage Temperature: -25 to 70C (-13 to 158F) Humidity: 93% RH at 104C (219F) Compliance Standards: EN 60204-1, EN 954-1, VDE 0113-1 Approvals/Listings: CE marked for all applicable directives, UL and C-UL, TV Rheinland Safety Categor y: Cat. 4 per EN954-1 (SR103 inter nal operation) Specifications are subject to change without notice. Note: The safety contacts of the STI switches are described as nor mally closed (N/C)i.e., with the guard closed, actuator in place, and the machine able to be star ted. Select models are available for Rapid Delivery. Visit this product on www.sti.com for details. www.sti.com/info J33SR103AM Safety Monitoring Relays Application Output Contact Arrangements Terminal Pin Assignments 14 S12 13 A1 24 S13 S11 23 34 S10 S14 33 42 A2 S21 41 SR103AM Terminal Connections 13 23 33 41 A1 S13 S11 S21 SAFETY SAFETY SAFETY AUXILIARY INPUT 1 INPUT 2 EDM AND SUPPLY OUTPUT 1 OUTPUT 2 OUTPUT 3 SIGNALING N/C N/C RESET N/O N/O N/O N/C A2 S10 S12 S12 34 42 14 24 24VAC/DC, 110VAC K1 (AUX) START L1 L2 L3 MOMENTARY K2 (AUX) PUSH EB SERIES BUTTON LATCHING STOP J E-STOP MOMENTARY RESET BUTTON PUSH BUTTON MOMENTARY PUSH BUTTON GUARD S12 S14 33 41 A1 S11 S21 13 23 CLOSED K1 Power supply Relay control and 11 21 33 fault monitoring (S11 = 24 V) + K2 K2 12 22 34 CONTACT + PROTECTION E.G. THERMAL K1 T5009 CUT OUT INTERLOCK SR103AM SWITCH M S10 S13 34 42 A2 14 24 FUSE FUSE K1 K2 For a full explanation of the circuit operating principle and fault detection, see Common Circuit Examples in The Expert Area Section of this catalog on page A31. Select models are available for Rapid Delivery. Visit this product on www.sti.com for details. www.sti.com/info J34