Wiring diagram 3 phase motor 3.3 kW with three unit of BSH 222 switch

We will use three unit of BSH 222 switch for control a motor glue pump. The glue must distribute to three different location, such us Line1, Line2 and Line3. Each switch store in each Line location.

Wiring diagram 3 phase motor 3.3 kW with three unit of BSH 222 switch

Electric parts needed for the wiring 3 Phase motor 3.3 kW with three unit of BSH 222 switch above:

• B1 = MCB 15A 3 phase
• M1 = Motor 3.3kW 380V 3Phase
• #1 = Magnetic contactor 220VAC
• TOR = Thermal overload relay 6.3A
• S1, S2, S3 = Push button switch type BSH 222
• L3 = Pilot lamp 220VAC

Wiring connection of BSH 222 switch

BHS 222 switch has an two contacts switch, NO (Normally Open for ON button) Contact and NC (Normally Close for OFF button) contact. In wiring 3 Phase motor 3.3 kW with three unit of BSH 222 switch, we use to series connection the NC contact and to parallel connection the NO contact.

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BSH 222 Switch

BSH 222 is a Type of Push Button Switch

Kasuga BSH 222 is a type of push button switch, which has an ON button and an OFF button in one switch. ON button BSH 222 marked with black color, position above OFF button. OFF button BSH 222 marked with red color, position below ON button.

BSH 222

PTM and PTB

ON button in a BSH 222 switch is type of PTM (push to make) non latching. OFF button in a BSH 222 switch is type of PTB (push to brake) non latching. Picture below is a symbol of BHS 222 switch.

Contact Capacity

Electric voltage and current capacity of the contact point BSH 222:
250 V max 5 A
500 V max 1 A.

Purpose

BSH 222 switch usually used for control (start and stop) small electric motor. For some case, one motor is controlled by many BSH 222 switch. One unit BSH 222 and other unit of them, are placed in different location, use for control a motor, such us motor glue pump who will distribute the glue for each location.

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