– SMOKE DETECTOR; OPERATIONAL TECHNICAL DATA TEMPERATURE RANGE: + 32°F (0°C) TO 120°F (49°C); RELATIVE HUMIDITY: 0 ─ 95%; NON-CONDENSING AIR PRESSURE: NO EFFECT AIR VELOCITY: 0 ─ 4,000 FT/MIN (0-20M/S) INPUT VOLTAGE RANGE: 16VDC – 30VDC ALARM CURRENT (MAX.): 280ΜA STANDBY CURRENT (MAX.): 280ΜA, MAX. (AVERAGE) MAXIMUM SPACING: 30 FT (900 SQ FT), ACCORDING TO NFPA 72 DETECTOR WEIGHT: 0.317 LBS. (0.144 KG.).; BRAND 1: SIEMENS; REFERENCE 1: S54320-F4-A2; MODEL 1: OP921 SIEMENS SMOKE DETECTOR
How to Verify Spare Parts Authenticity Before Purchase
Learn how to verify spare parts authenticity before purchase, reduce counterfeit risk, protect equipment uptime, and improve procurement control globally.
