Description

The Potter CF-135-EWT is an explosion proof fixed temperature heat detector designed for hazardous industrial environments where conventional smoke detectors are unsuitable.

Constructed with a rugged cast aluminum explosion proof enclosure, the CF-135-EWT is designed for use in environments where combustible dust, vapors, moisture, corrosion, or washdown conditions are present. Its durable design makes it well suited for demanding commercial and industrial fire detection applications.

Product Functions

• Detects fixed temperature fire conditions
• Activates at 135 degrees Fahrenheit
• Closes alarm initiating contacts upon activation
• Provides dependable thermal fire detection
• Supports hazardous location installations
• Operates without external power
• Monitors high temperature environments
• Supports conventional fire alarm initiating circuits

Electrical & System Information

The CF-135-EWT is a mechanically operated fixed temperature heat detector that requires no operating power.

The detector includes pigtail lead wiring and dual one half inch threaded conduit openings for installation in hazardous location conduit systems.

Features

• Explosion proof heat detector
• Fixed temperature detection
• 135 degree Fahrenheit thermal rating
• Non restorable operation
• Cast aluminum enclosure
• Corrosion resistant construction
• Water and dust tight housing
• Hazardous location design
• Normally open contacts
• Mechanical thermal operation
• Dual conduit openings
• Commercial industrial application

Mounting & Design

The CF-135-EWT is designed for ceiling mounting in hazardous locations using its integrated mounting holes and threaded conduit entries.

The detector is supplied with factory installed pigtail leads for straightforward connection to conventional initiating circuits in approved hazardous location wiring systems.

Protection & Applications

Suitable for:

• Commercial Fire Alarm Systems
• Hazardous Industrial Facilities
• Chemical Processing Plants
• Oil and Gas Facilities
• Refineries
• Paint Booths
• Fuel Storage Areas
• Manufacturing Plants
• Grain Processing Facilities
• Dust Hazard Locations
• Petrochemical Facilities
• Explosion Hazard Areas

Technical Specifications

Manufacturer: Potter

Model: CF-135-EWT

Series: Thermoflex CF EWT

Product Type: Explosion Proof Fixed Temperature Heat Detector

Detection Method: Fixed Temperature Thermal Detection

Thermal Rating: 135 Degrees Fahrenheit 57 Degrees Celsius

Operation: Mechanical Non Restorable

Contact Configuration: Normally Open

Contact Rating: 3 Amps at 125 VAC 1 Amp at 28 VDC 0.3 Amp at 125 VDC 0.1 Amp at 250 VDC

Housing Material: Cast Aluminum

Conduit Entries: Two One Half Inch Threaded Openings

Wiring: Factory Installed Pigtail Leads

Mounting: Ceiling Mount

Application: Indoor Hazardous Commercial and Industrial Fire Alarm Systems

Environmental Protection: Explosion Proof Water Tight and Dust Tight Enclosure

CF-135-EWT Datasheet