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SM-501-Series
ACI SM-501 Duct Smoke Detector Series for HVAC Smoke Detection and Air Handling Systems
- Detects smoke in HVAC ducts and air handling systems
- Two Form C alarm contacts and one trouble contact
- Integrated status LEDs and manual test/reset switch
- Compatible with remote alarms and test/reset accessories
Product Overview
- Air Velocity, Max 4000 FPM
- Air Velocity, Min 500 FPM
- Compliance Note UL & CUL Listed (UL268A, UROX, UROX7), File # S2829; CSFM Listed (3240-1004:108); MEA accepted (73-92-E; VOL. 26)
- Electrical Connection Screw Terminal
- Enclosure Color Gray
- Enclosure Material Note 18 ga. Steel backbox, clear plastic cover (Makrolon 94V-0)
- Enclosure Ratings NEMA Type 1
- Height 2.25 in
- Length 9.125 in
- Current, Max Note Standby: 24 Vdc: 15 mA, 24 Vac: 35 mA, 115 Vac: 25 mA, 230 Vac: 12 mA; Alarm: Vdc: 56 mA, 24 Vac: 74 mA, 115 Vac: 32 mA, 230 Vac: 16 mA
- Mounting Note 7" exhaust tube, sampling tube end cap, mounting template & mounting hardware
- Operating Humidity 85 ±5 % RH max (@32 ±2°C; 86 ±3.6°F), Non-Condensing / Non-Freezing
- Operating Temperature, Max 60 °C
- Operating Temperature, Min 0 °C
- Relay Output Two Form 1C SPDT Alarm Relay, One Form 1C SPDT Trouble Relay
- Series ID SM-501-Series
- Supply Voltage 24 Vac/Vdc, 115 Vac, 230 Vac
- Switching Current 10 A (Resistive), Maximum
- Switching Voltage, Max 115 V
- Weight 3.5 lb
- Width 7.25 in
- Wire Gauge 22 to 12 AWG
The ACI SM-501 Duct Smoke Detector provides early smoke detection in HVAC duct systems to help prevent smoke recirculation. Featuring dual alarm contacts, trouble contacts, status indicators, test/reset functions, and compatibility with remote accessories, it delivers reliable system protection.
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