Jiangsu proof magnetic starter BQC Scope This standard provides enterprise BQC series explosion-proof solenoid starter (hereinafter referred to as the starter) product classification, requirements, test methods, inspection rules, marking, packaging, transport and storage requirements. This standard applies to business starters design, manufacturing and testing. Starter is mainly applied to explosive atmospheres Zone 1 or Zone 2 hazardous areas, explosive gas, vapor or for ⅡB ⅡC, T4 and the following places, as a control AC 50Hz, rated voltage to start direct 380V three-phase asynchronous motors, stopping with or reverse it. Overload, phase failure, loss of pressure, short circuit protection. 2 Normative references The following documents for the application of this document is essential. Cited documents with dates, only the edition applies to this document. For dated references, the latest edition (including any repair gai single) 3 Product Category 3.1.1 3.1 starter starter according to the functions can be divided into two categories: one-way control and reversible control. 3.1.2 starter can be divided according to the current: 9A, 12A, 16A, 25A, 32A, 40A, 50A, 65A. 3.3 The basic parameters of the basic parameters 3.3.1 starter comply with Table 1. 3.3.2 starter proof mark BQC61 for ExdeⅡBT4, BQC62 starter for ExdeⅡCT4 3.3.3 applies to the following 1. Rated work eight hour working day; 2. uninterrupted duty; 3. Intermittent periodic duty; 4. Ordering short-time work when the user shall indicate the number of loops distribution box, each corresponding to a series circuit current and the circuit breaker If leakage function must bring, you also need to specify, with a total switch For the switch, please indicate the total current and series, and indicate the direction of the inlet and outlet, the outlet into the specification and the corresponding number. Lighting distribution box switch layout and installation dimensions can refer back section shape and dynamic lighting installation, for example mixing, according to the shape of the power distribution box. Under normal circumstances, the user must provide the electrical power distribution system diagram. Other product orders must provide technical requirements, details