Edwards Signaling 302-ET-135 All-weather Heat Detector Rate Compensation, Vertical, Box Mount (½" NPT), FM and UL, 135 °F (57.2 °C)

302 Series Heat Detector (Rate Compensation), 6-125VAC/6-25VDC/125VDC, indoor/outdoor box mounting, 135 F UL rated, -40 F min ambient, 100 F max ceiling, 4 in L x 1 in base diameter.

302-ET-135 Edwards Series 302 heat detectors are suitable for use in indoor and outdoor environments and explosive atmospheres. They are normally-open devices designed to close an electrical circuit upon activation. All models feature rate compensation and are available with either 135°F (57.2°C) or 194°F (90°C) ratings. These self-restoring, hermetically sealed detectors are shock-, corrosion- and tamper-resistant.

• Rate compensation offsets thermal lag
• Self-restoring – no manual reset required
• Explosionproof versions available. Class 1, Groups C and D; Class 2, Groups E, F and G
• Some versions suitable for outdoor applications
• No back box required on some outdoor suitable versions
• Box mount and surface mount versions