简要说明：浙江防爆-防爆电器-防爆操作柱-坤茂电气

1. 铸铝合金压铸外壳，表面喷塑； 2. 内装万能转换开关、按钮、电流表、指示灯等； 3. 旋钮取代按钮，一孔取代多孔； 4. 30多种功能由用户选择； 5. 电流表量程由用户指定； 6. 钢管或电缆布线； 7. 可根据用户要求特制; 8. 符合GB3836-2000、IEC60079, GB12476.1-2000、 IEC61241标准要求。 1. Diecasted A1-alloy shell with plastic-sprayed surface; 2. Internally mounted univeral changeover switch, ammeter and indicator, etc; 3. Rotary substitute for the button, one hole sustitute for rnulti-hole; 4. There are more than 30 functions vailable for users' choice; 5. The ammeter's measuring range Can be made by users; 6. Steelpipe or cable wiring. 7. Can be customized according to users' requirements. 8. Suitable for GB3836-2000、IEC60079, GB12476.1-2000、 IEC61241 standard request.
1. 爆炸性气体环境危险场所：1区、2区； 2. 可燃性气体、蒸气级别：ⅡA、ⅡB、ⅡC； 3. 温度组别：T1~T5； 4. 户内、户外(IP54，可按用户要求达到IP65)。	1. For the dangerous sites with explosive air mixture: 1 division、2 division; 2. Flammable gas, steam class: ⅡA、ⅡB、ⅡC; 3. Temperatures classification: T1~T5; 4. Indoor and outdoor (IP54, It could be designed as IP65 according to user's requirements).

使用类别 Using sort 额定电压 Rated voltage(V) 额定电流 Rated current(A) 防爆标志 Explosion- proofing marker 防护等级 Protection category 防腐等级 Cosion-proofing grade 进线口螺纹 Inlet's thread 电缆外径（mm） Cable's outside diameter AC-3 AC-4 380 220 5, 10, 16 Exde ⅡBT5 Exde ⅡCT5 IP54 IP65 W, WF1, WF2 G1 G3/4 Φ12~Φ18 Φ10~Φ15 代号 Code 按钮触头形式 Form of button contact Ⅰ 一常开一常闭 1NO+1NC Ⅱ 二常开 2NO Ⅲ 二常闭 2NC 开关 组合符号 The code of switch 接触图 Chart of contact 等效开关 Equivalent switch 旋钮位置(实线表示 定位,虚线表示自复位) Rotary button's position, real line denotes location broken line de- notes auto-resetting 等效功能说明 Instruction for equivalent function A 功能接线均与双按钮相同， 自动复位。 Functional wiring is same as button with auto reset B 功能与双控钮相同，起动自复位， 可带锁定装置，将开关锁定在停 止档避免误操作。 Functional wiring is the same as button with auto resetting, take "lock"apparatus to lock the switch at the stopping location to avoid mistake operating. C 功能为2个带常开触点的按钮， 自动复位，适合于高压电机控 制电路，或采用A功能面板。 Button with 2 usually-open contacts and auto-resetting. suitable for high- voltage engine control circuit or function panel A. D 小功率电源开关。 Mini-power switch. E 功能与三钮相同，控制电机正反 转用，正、反起起动位置自复位。 Function is the same as three buttons to control-conversion of FW & BW engine, FW & BW starters can auto-reset. F 选择开关，中间带停止档位。 Selected switch with stop location in midst. G 相当于2个按扭和一个切换开关 装于一轴，在起动与停止之前均 可输出联络信号或监控信号。 Be equol to mounting two buttons and one change-over switch in one axe. Can output contact signal or inspect signal befor starting and stopping. H 多信号逐级传送，方向任意旋转。 Multi-signals transmit gradually and convert in random.