Range of application
suitable for working lighting in the environment with combustible dust in petroleum exploitation, oil refining, chemical industry and military industry;
 suitable for places with high protection requirements, damp and corrosive gases;
 suitable for places in zone 1 and zone 2 of explosive gas environment;
 suitable for combustible dust environment area 20, 21, 22 places;
 suitable for IIA, IIB, IIC explosive gas environment;
 suitable for temperature group t1-t4 (T6).
Product features
polycarbon alloy injection molding shell, with light weight, high strength, strong impact resistance, high temperature resistance, cold resistance, strong corrosion resistance and other characteristics;
 software design of light distribution system, beam distribution is reasonable, uniform illumination, reflection efficiency, high utilization rate;
 special explosion-proof electronic rectifier, with short circuit, open street lamp protection function, for the lamp aging effect and leakage phenomenon with prevention circuit; Cos  acuity 0.95 high power factor, wide voltage input, 170 v - 250 - v within the scope of work, and can keep constant power output, does not affect the output luminous efficacy;
 emergency equipment can be installed according to user requirements. When the power supply is cut off, the lamp will automatically switch to emergency lighting state (see the table below);
 cable wiring (please specify steel pipe wiring).
With emergency function parameters
Emergency start time (S) charging time (h) emergency lighting time (min) emergency power
0.3 or less 24 28 90 or higher
Product specification
Power (W) explosion-proof mark protection grade
BAY51 1×18W Ex nA II T4 Gc/Ex tD A21 80°C IP66
2 x 18 w
2 x9w

1 * 9 w

Technical parameters
Ex nA II T4 Gc/Ex tD A21 80°C

Rated voltage: ac170v-ac250v 50/60hz (please specify if there are special requirements)
Protection grade: IP66
Corrosion rating: WF2
Introducing device: G3/4 intake specifications, suitable for 10 mm -  14 mm cable
Terminal: <4m wire connection
Installation mode X: ceiling type, g1: boom type 1, g2: boom type, L: hanging chain, b: wall type, f: flange type, h: guardrail type, W: bending bar type
Light source power T5 energy-saving tube 1×18W, 2×18W, 1x9W
Weight of lamp: 6Kg (2×28W)