Nittan ST-I-IS ionisation smoke detector

Nittan ST-I-IS Detector
Model Code ST-I-IS
Model Info

Technical Specifications:

  • Base: STB-4IS
  • Detector Type: Ionisation smoke detector
  • Sensing Element & Principle: Dual Ionisation chamber , 33 kBq, (0.9 Ci) Americium 241
  • Supply Voltage: 24V D.C. nominal (Range 16V. to 30V.)
  • Voltage Ripple: 20% maximum
  • Alarm Voltage: 5V D.C. between + (terminal 3) and - (terminals 1,6) at 25° C
  • Monitoring Current: 40 ìAmps max. at 24V dc
  • Alarm Current: 65 mA. maximum
  • Charging Time: 20 seconds maximum
  • Ambient Temperature Range: -10°C. to +50°C
  • Certification: EEx ia IIC T4 (Tamb -10°C. to +50°C.)
  • Certificate Number: ITS03ATEX21253 EMC - Complies with EN50130-4: 1996 and EN61000 6-3: 2001 
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