Countdown Timer - SIR321

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Z-Wave Countdown Timer - SIR321 from Secure.

SIR321 is a countdown timer that can be used to control immersion heater elements or other electrical appliances rated up to 3 kW. SIR321 supports an optional external temperature sensor for temperature reporting and remote operation. SIR321 can also run a timer from 1 minute to 24 hours, under Z-Wave® control.

  • Communicates via Z-Wave RF (868,42 MHz)
  • Range: up to 30m in buildings
  • Group for Association: 2 (Max 4 nodes per Group)
  • Switch Contact rating: 13 (3) Amps 230V AC
  • Switch Type: Micro disconnection
  • Countdown LED indicator light
  • Timer boost period: 30/60/120 minutes (1 minute to 24 hours via Z-Wave)
  • Timing accuracy: ±5%
  • Provision to connect external wired temperature probe (optional feature)
  • Temperature reporting by time interval or temperature delta change
  • Sensor temperature range: 0°C to 100°C
  • Sensor temperature accuracy: ±0.5°C from 0°C to 65°C and ±1°C from 66°C to 100°C
  • Direct Wall mounting or Wall Box mounting
Data sheet
Device TypeCountdown Timer, Binary Switch
Supports Z-Wave Beaming Technology?Yes
Supports Z-Wave Network Security?Yes
Supports Z-Wave AES-128 Security S0?No
Supports Z-Wave Security S2?No
Firmware Upgradable?No
Power Metering Feature?No
Executive ElementRelay
Switching Capacity13 (3) A 230V AC
Nominal Voltage230V AC 50Hz
Operating Temperature0°C ~ 35°C
Dimensions (L x W x H) mm85 x 85 x 44 (19 - flush mount)

User Manual - SIR321

User and Installation Manual - Secure SIR321

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