Parameter Settings for Explosion-proof Lighting Distribution Box

Explosion-proof lighting distribution boxes are designed for hazardous environments, with parameters including rated current, voltage, protection level, installation type, and explosion-proof certification. Key Model Types and ApplicationsBXM, BXD, BXJ series: Suitable for Zones 1, 2, 21, 22; used in petroleum, chemical, offshore platforms, and marine vessels ( ). PZ20, PZ30, PZ40, XDD(R): Terminal lighting distribution and electric metering boxes ( ).

GC

K, GCS, MNS: Low-voltage withdrawable switchgear cabinets.

GG

D, GDH, PGL: Low-voltage fixed switchgear cabinets.

X

L, GXL, XF: Low-voltage distribution and construction site boxes ( ).

Electrical Parameters

Rated Current / Short-Time Withstand Current: e.g., 250/10 indicates 250A rated current and 10kA short-time withstand current; adjustable per customer requirements ( ). Voltage Levels: Commonly 220V or 380V. Main Switch Type / Protection Level: e.g., 1/IP30 for single-phase main switch with IP30 protection; 3/IP30 for three-phase ( ).

Input/

Output Configuration: Single-phase, three-phase, or mixed input; number of outlet circuits configurable ( ).

Mechanical and Environmental Features

Material: Metal or flame-retardant plastic; customizable per user requirements ( ). Installation: Vertical, hanging, concealed, or exposed; modular structure allows flexible combination of circuits and input/output directions ( ). Protection: IP65/IP66 for indoor/outdoor use; equipped with sealing strips for dust and moisture protection ( ).

Switch Mechanism: Designed for explosion-proof operation; can include padlocks to prevent misoperation ( ).

Explosion-

Proof Certification

Gas and Dust Zones: Zone 1, 2 (gas); Zone 21, 22 (dust) ( ). Temperature Groups: T1–T6 for BXM series; T1–T4 for some other models ( ).

Explosion-

Proof Mark: Example: Extb IIIC T130℃/T95℃/T80℃ Db ( ).

Additional Features

Circuit Protection: Molded case circuit breakers, miniature circuit breakers, leakage, auxiliary, shunt, and alarm modules ( ). Indicators: Power supply and communication signal lights for each circuit ( ). Outdoor Options: Rain covers or protective cabinets for harsh environments ( ).

When ordering, it is essential to specify total and branch switch current, number of poles, explosion-proof mark, installation type, and any special requirements or provide a schematic diagram to ensure proper configuration ( ).