Detcon DM-434B User Manual
Page 4
1.3 Terminal Board
The terminal board is mounted in the explosion proof enclosure and includes: the mating connector for the
control circuit, reverse input and secondary transient suppression, input filter and terminals that do not
require lugs for all field wiring.
1.4 Explosion Proof Enclosure
The explosion proof enclosure has 3/4” NPT female entry ports. It’s constructed of cast metal and given an
epoxy finish. The enclosure is fitted with a threaded cover. Electrical classification is Class I; Groups B, C,
D; Div. 1.
1.5 Rain Shield
The machine fitted rain shield is designed to help prevent obstruction of the sintered stainless steel flame
arrestor as a result of liquid or solid contact. Material of construction is Dupont Delrin.
Detcon Model DM-434B Oxygen Sensor PG.4
BLU
WHT
MA
Sensor
To Controller
Terminals
+VDC
VDC Common