SPECIFICATIONS

Application	pipe freeze protection and temperature maintenance
Area of Use	hazardous area
Sensor type	surface temperature sensing
Ambient temperature range	-40°C to +60°C
Switch accuracy	4.5°C at 21°C ambient and 50°C sensor temperature
Switching hysteresis	5 K
Adjustable set point range range	-4°C to +163°C

Electrical
Supply voltage	up to 480V a.c. up to 230V a.c. for direct switching
Terminals	power supply: 3 x 4 mm² internal earth: 1 x 4 mm² external earth: 1 x 4 mm²
Relay	single pole change over (SPDT)
Switching capacity	22 A at 480V a.c. (100,000 cycles)

Enclosure
Material	lacquer coated cast aluminium
Ingress protection	IP 65, if installed using chemelex^® Raychem GL-33 or GL-34 glands
Mounting option	on pipe: Support brackets SB-100, SB-101, SB-110, SB-111 and SB-125 surface: using 4 x M6 fixing holes at 101.5 mm x 101.5 mm centres
Entries	1 x 3/4" NPT threaded entry
Storage temperature	-40°C to +50°C