Potential Free Inputs
Potential Inputs
Alarm Annunciator
Automation Products
PROTOCOM 4
Used for AC installations in small offices/businesses, ATMs, and residential apartments. Ideal for AC units of 1 to 1.5 tonnes capacity, Power-saving logic modes, Built-in protection against UV, OV & OL for both AC units.
Technical Data
- System Supply 240 V AC ±20% (L1, L2 & N)
System Supply
- Frequency50 / 60 Hz ± 3%
Frequency
- Output Relay Contacts1 NO + 1 NO + 1 NO + 1 NO
Output Relay Contacts
- Output Contact Rating30 Amp. @ 240 V AC (RLY 1 & RLY 2) 5 Amp. (RLY 3 & RLY 4)
Output Contact Rating
- Current Setting1-20 Amp (Variable)
Current Setting
- Power ON Delay2 - 600 sec.
Power ON Delay
- Cyclic Time Delay3 Min. To 24 Hrs
Cyclic Time Delay
- AC ON GREEN
- AlarmRED
- UV / OVRED
- UC / OC RED
LED Indication
- EnclosureSheet Metal fabricated and powder coated
Enclosure
- Overall (L x W x D)141 X 193.9 X 72
- Mounting117 X 169.5
Dimensions (mm)
- Weight1100 gms.
Weight
Trip settings, time delay and resettings
| Parameters | Under Voltage | Over Voltage | Over Load | Over Temperature |
| Trip Setting | 120 - 210 V AC | 240 - 300 V AC | 5 - 20 Amp. (Settable by Keys & Display) (Default Set - 20 A) | 22 - 45 ° C (Settable by Keys & Display) (Default Set - 35° C) |
| Hysteresis for Auto Reset | 6 VAC ± 3 VAC | 6 VAC ± 3 VAC | N.A. | 1° C - 10° C (Default - 3° C) |
| Trip Time Delay | 5 sec. | 5 sec. | 2 - 5 sec. | 2 - 900 sec. (Default Set - 600 sec) |
- Logic # 1SINGLE AC OPERATION ONLY IN ALTERNATE MODE
- Logic # 2SINGLE OR BOTH AC OPERATIONS BASED ON TEMP. RISE IN ALTERNATE MODE
Logic Setting
- Setting Keys4 nos. of Front Keys
