The Ashcroft® T7 NEMA 7/9 explosion proof temperature Switch is designed for use in hazardous applications. With temperature ranges from -40°F to 750°F, the T7/9 delivers outstanding repeatability, this switch is ideal for temperature control, shutdown or alarm operations. The T7 switch is SIL 3 Capable for safety applications.
Process Market:
Industrial Market:
Accuracy
±1% of span
Setpoint Repeatability (Accuracy)
±1% of span (Additional setpoint shift of ±1% of range per 50°F from initial setpoint set at 70°F typical)
Switch output
SPDT or 2 SPDT acting as DPDT
Setpoint
Dual setpoint, fixed deadband
(Setpoints - factory set or field adjustable)
Single setpoint, adjustable deadband
Single setpoint, fixed deadband
Deadband
Fixed or limited adjustable
Enclosure Ratings
NEMA 7/9, IP66
Enclosure Material
Epoxy coated aluminum
Pressure Connection
Direct Mount: ½ NPT Male
Remote Mount: ½ NPT Male Bushing (XBX) (OPT.)
Electrical Termination
1/2 NPT Female M20x1.5 (OPT.)
3/4 NPT Female conduit connection
Direct Mount
Stem lengths from 2¾˝ to 24˝
Remote Mount
Capillary lengths from 5´ to 25´ (5 ft. increments) Consult Factory for longer lengths
Wetted Material
Direct Mount: 316 Stainless steel
Remote Mount: Bulb capillary: 316 Stainless steel
Spiral armor: 302 Stainless steel
Pressure Ranges
-40°F to 60°F through 500°F to 750°F
