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Rated Current (A)


Breaking Capacity (kA)


Rated Residual Current (mA)

Armor Type

Conductor Type

Light Colour


Module Width

Horse Power (HP)


No. of Poles

No. of Way

No. of Phases

Unit Size

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Electron AC Starter 1 Phase OLP3+

1,3003,000 inc. GST

Electron 21A AC Starter 1 Phase OLP3+

1,300 inc. GST

Electron 25A AC Starter 1 Phase OLP3+

2,100 inc. GST

Electron 27A AC Starter 1 Phase OLP3+

2,100 inc. GST

Electron 30A AC Starter 1 Phase OLP3+

3,000 inc. GST

Why Buy Digital AC Switch – Over Load Protector?

As we know, air conditioners are one of the most expensive and high energy-consuming electrical appliances in today’s time. Their operation needs to be monitored just for the fact their replacement is not cheap. For monitoring various quantities of the air conditioning systems, motor starters are connected to ensure their safety and long life.

The new OLP 3+ is a cutting edge microprocessor-controlled technology motor starter with a three-digit display displaying the magnitudes of all the important parameters necessary for the smooth operation of the air conditioner.

The most remarkable feature of these OLP 3+ starter motors is that they show time tested combinations versus voltage, current, and time.

⦁ VOLT CHECK: The OLP 3+ starters keep a check on the voltage line and trip once the safe limit (ranging between 160-270 V) is exceeded. Once tripped, the unsafe voltage magnitude is shown on the digital screen upfront.

⦁ AMP CHECK: One of the major reasons for the failure of cooling systems is unchecked current inrush. An AC switch box checks the current supply continuously and halts the output if the current jumps beyond the set safe limit, protecting the compressor from excessive long start-up time or rotor locking. Higher the load, faster the tripping response. Then, the unsafe current magnitude is shown on the screen.

⦁ TIME CHECK: When tripped, the OLP 3+ extends the duration of the output to another three minutes capacitated from the last compressor operation, restarting the air conditioner automatically. Its activity also includes indicating the number of minutes left for the AC to restart.

Major brands that deal in Electric AC switch are:
⦁ Electron

⦁ Schneider

⦁ Deep Jyot

⦁ Mitsubishi, etc.