BZC51 proof operation column | BZC53 proof operation column | Scope and purpose BZC53 series explosion-proof operation column (hereinafter referred to as the operation column) applies ⅡC level, T5 and below the level of the group, group of explosive gas mixtures (Zone 1 and Zone 2) place in AC 50Hz, rated voltage 380V or DC 220V, rated current up to 16A circuit, for remote operation of electromagnetic appliances use, or directly breaking the circuit or signal, operation of the control circuit monitor and display. Model and meaning and basic parameters of the model and the significance 2.1 BZC53 - □□□□□□□□□ WF1 WF1: Medium Outdoor anti-corrosion line number mouth inlet direction B: last in line (not note down the line ) D: motivated line ammeter range (only for operation with a current meter column) switch code (used only with ammeter operation column) L: vertical installation in the form G: Hanging Q: bridge switch number (do not install patch 0) instruction Number of lights (do not install patch 0) ammeter number (do not install patch 0) button number (do not install patch 0) Design Number main electrical explosion-proof operation column 2.2 Basic parameters Model Rated voltage (V) Rated Current (A) proof mark cable diameter / pipe diameter (mm) BZC53 380/220 5 ExdeⅡCT5 8 ~ 15 columns in the following operating conditions can be reliably 3.1 on the ambient air temperature does not exceed the limit of + 40 ℃, the lower limit of not less than -20 ℃, and the average value of 24h does not exceed + 35 ℃; 3.2 installation site altitude does not exceed 2000m; 3.3 installation site wettest month average maximum relative humidity less than 95%, while the monthly average temperature does not lower than + 25 ℃, (except waterproof structure). The main structure and DIMENSIONS 4.1 ZL102 operating column shell with aluminum-silicon alloy die-casting, surface spray, the main chamber is equipped with universal switch and lights and so on. Shell, column, column overall base composition operation, terminal compartment with internal and external grounding screw on the base. 4.2 Outline and installation dimensions shown in Figure Yueqing Ming-cow-proof electrical Ltd. Contact: Wu Nan Mobile: 18367776590 Tel: 0577-27773466 Fax: 0577-61710821 QQ: 271655853 installation, use and maintenance