System Sensor | 5604A Mechanical Heat Detector | 194°F Fixed Temperature

The System Sensor 5604A Mechanical Heat Detector is a high-temperature fixed temperature detector designed for applications where elevated ambient temperatures make standard heat detectors unsuitable. Activating at 194°F (90°C), it provides dependable fire detection while reducing the risk of nuisance alarms in warm environments.

Key Features

• Fixed Temperature Activation – 194°F (90°C)
• Single Circuit, Normally Open Contacts
• Designed for high-temperature environments
• No external power required
• Visual post-alarm collector indicator
• Easy terminal screw wiring
• Multiple mounting options available
• Reversible mounting bracket
• UL, ULC, and FM Listed

Specifications

• Activation Type: Fixed Temperature
• Alarm Temperature: 194°F (90°C)
• Circuit Type: Single Circuit
• Maximum Installation Temperature: 150°F (65.6°C)
• Contact Rating:
  • 6–125 VAC / 3A
  • 6–28 VDC / 1A
  • 125 VDC / 0.3A
  • 250 VDC / 0.1A
• Wiring: 14–22 AWG
• Operating Humidity: 5–95% RH Non-Condensing

Ideal for:

• Attics
• Boiler Rooms
• Industrial Facilities
• Commercial Kitchens (non-cooking surfaces)
• Mechanical Equipment Areas
• High Ambient Temperature Locations