Thermocouple head DIN A details:
Material: ACD12 aluminium
Protection tube entry: PF1/2",BSP1/2",NPT1/2"
Extension wire entry: M22*1.5
Color available: silvery, yellow, red, blue, black, etc.
Screw distance: 33mm
Material of terminal block: ceramic or bakelite
Form of terminal block: 2 poles, 3 poles, 4 poles
Package: 50pcs/ctn for thermocouplr heads, 250pcs/ctn for terminal blocks
IP code: IP65 of IEC 529
MICC Thermocouple Protection Head catalogue.pdf