Automatic Air Conditioner Protector

The Dolphin (AAP) is designed to protect Air Conditioners against the hazards of over-voltage and over-current caused by under-voltage.The fully automatic operation of the protector now enables its use at places where ordinary circuit breaker could not be used, because of tripping problems.
Dolphin (AAP) protects against short circuit before it occurs.


The Dolphin (AAP) comes in an ergonomic direct-mounting palm size case.
Dolphin (AAP) supplies power to the Air Conditioner, as long AC main voltage remains between 180V and 265V.
In case the line voltage falls below 180V and stays there for longer than 0.3 seconds continuously, the supply to the Air Conditioner will be cut-off. The Dolphin (AAP) will automatically resume supply to the load once the line volts are normal. No manual intervention is needed.
Similarly, if the line voltage rises above 265V and stays there for longer than 0.3 seconds continuously, the supply to the Air Conditioner will be cut-off. Again, automatic resumption of supply to the load will take place after the line voltage is normal.

However it will wait for approximately 3 minutes to protect the compressor motor. If power is resumed after more than 3 minutes, the protector will wait for 1.5 seconds only to prevent power back surges reaching the Air Conditioner. Reset time varies with the nature of fault, i.e. bigger voltage dip causes a longer time.
One unique feature of the design is inverse delay response characteristic. The tripping time of 0.3 second reduces proportionally to the depth of under-voltage or the height of over-voltage.


When green light illuminates, it indicates that Dolphin (AAP) detects a normal Line voltage.
The light indicates Dolphin (AAP) is protecting your Air Conditioner from a damaging over/under voltage condition.
After your Dolphin (AAP) has detected a damaging voltage it has delayed the resumption of power supply for approx. 180 sec. to protect the compressor motor.


1. Peel the power cable of Air Conditioner.
2. Unscrew the four screws on the base plate and lift the top cover.
3. Using long nose pliers, guide wires into the terminal jacks as:-

Red (L)

Black (N)

Green (E)

4. Using the flip head screwdriver tighten the screws.
5. Place the top cover back in place & tighten the four screws on base plate.



Operating Range 170 to 280 V ac
Under-voltage Trip 180 V ac
Under-voltage Reset 188 V ac
Over-voltage Trip 265 V ac
Over-voltage Reset 260 V ac
Triping Time 1.5 sec
Reset Time approx.* 180 sec

* Reset time varies with the nature of fault


Color Beige, Light Grey
Dimensions 114 x 114 x 30 mm
(excluding pins)
Weight 225 g
Operating temperature 0OC to 60OC
Storage temperaturet -20OC to 75OC
Relative Humidity 10 to 80%



If your protector does not turn the equipment ON then check the following before contacting the dealer.

LED IS OFF Power supply is not present. There is some problem with the socket.
LED Permanently red Supply voltage is out of range.
LED Green Output Refrigerator & Deep Freezer cable connection not proper.
Cyclic Tripping (Protector trips again and again) Wiring is not proper for the
load. Please check with a qualified electrician to replace wiring and avoid the risk of fire caused by short circuit.


The seller warrants that articles sold hereunder to be FREE from defects in material and workmanship. These express warranties are the sole warranties of the seller and any other expressed, implied in law, or implied in fact are hereby specifically excluded.

Seller's sole obligation under his warranty shall be, at his option, to either repair or replace any article, or part thereof, that is proved to be other than warranted. Any replacement shall be subject to presenting of original purchase receipt.

All warranties shall expire after 12 months from the date of purchase. Any claim of warranty must be made within applicable period. No allowances shall be made to the purchaser for use of the product other than it is intended for, physical breakage, or direct contact of the product to fire or water.