BYS SERIES Explosion Proof Corrosion Resistance Polyester Fluorescent Fitting



  • Designed for explosive atmospheres Zone 1 and Zone 2;
  • Designed for combustible dust Zone 21 and Zone 22;
  • Designed for IIA, IIB and IIC groups explosive atmospheres;
  • Designed for temperature classifications T1~T4;
  • Designed for explosive hazardous locations such as oil refinery, storage, chemical, pharmaceuticals, textile, painting, military industries, etc.

Model Code


Enclosure is Injected of Polycarbonate Alloy with High Strength, Impact Resistance, Corrosion Resistance, Heat Resistance and Cold Resistance;

Lamp Cover is Injected of Polycarbonate with Good Lighting Transmittance and Impact Resistance;

Light Fitting is Designed in Double Sealing Structure with Good Water Proof and Dust Proof;

Reflector is Designed in Special Double Parabolic to Improve Light Efficiency Greatly;

Enclosure and Lamp Cover Adopt Plug-In Structure are Easy to Open and Close Tightly;

With Clamping-Type Terminals, Just Need to Open Cover, and Then Connect Wire;

Name Brand Fluorescent Tubes Inside with Long Service Life and High Light Efficiency;

Built in Exclusive Explosion Proof Electronic Ballast;

Built-In Disconnecting Switch and De-Energizing When Open Cover to Assure the Safe Operation;

Lighting with Emergency Unit Will Automatically Shift to Emergency Lighting Status When Normal Power is Failed;

Special Designed over Charging and over Discharging Circuit Inside Emergency Unit;

Steel Pipe or Cable Wiring.

Ordering References

The Lamp is Included Inside When Delivery, Can be Used While It is Powered.

Only One Tube Works Under Emergency Conditions.

The Pendant Type is Side Entry Type. Please Indicate When Need Top Inlet.

For Examples: If Need the Top Inlet Pendant Type BYS Explosion Proof Corrosion Resistance Polyester Fluorescent Fitting, 2X28W, with Emergency Unit, the Model Shall Be: BYS-2X8g2J.

Selection Table

Technical Parameters

Compliance With: GB 3836.1, GB 3836.2, GB 3836.3, GB 3836.9, GB 12476.1, GB12476.5

IEC60079-0, IEC60079-1, IEC60079-7, IEC60079-18, IEC61241-0, IEC61241-1

Explosion Protection: Ex d e mb IICT4 Gb / Ex tD A21 IP66 T80℃;

Rated Voltage: Fluorescent Tube AC220V, 50/60Hz; LED AC100~240V 50/60Hz


T8 Bi-Pin Fluorescent Tube (1X36W, 2X36W) G13 Lamp Holder with Electronic Ballast

T5 Bi-Pin Fluorescent Tube (1X28W, 2X28W) G5 Lamp Holder with Electronic Ballast;

T8 Bi-Pin LED Tube (1X18W, 2X18W) G13 Lamp Holder

Ingress Protection: IP66;

Corrosion Resistance: WF2;

Cable Entries: M25 X 1.25 (Cable Laying Wire, Standard Equipment)

G3/4″ (Steel Pipe or Flexible Coupling Laying Wire, Customized Equipment)

Cable Outer Diameters: Φ9Mm~Φ14mm;

Battery Charging Time: ≤24H;

Emergency Starting Time: ≤0.25s

Emergency Lighting Duration: ≥90min;