TERASAKI TEMPOWER Air Circuit Breakers
3-Pole, 690/1000V
Manual Stored Energy & Fixed Mounting Type,
With Multi-Function Overcurrent Tripping Device providing:
Adjustable Long Time Delay (Overload Protection),
Adjustable Short Time Delay (Discrimination Protection),
Adjustable Instantaneous (Short Circuit Protection) & Pre-trip Alarm

MODEL/TYPE
RATING
SETTING RANGE
AC BREAKING CAP.
@ 415V/500VAC
IEC 947-2 (Icu = Ics)
AT12
1000 Amps
630 to 1250A
65 KA
AT12
1250 Amps
630 to 1250A
65 KA
AT16
1600 Amps
800 to 1600A
65 KA
AT20
2000 Amps
1000 to 2000A
65 KA
AT25
2500 Amps
1250 to 2500A
65 KA
AT32
3200 Amps
1600 to 3200A
85 KA
AT40
4000 Amps
2000 to 4000A
85 KA
AH50C
5000 Amps
2500 to 5000A
120 KA
AH60C
6300 Amps
3000 to 6300A
120 KA

A) ACCESSORIES/FEATURES PROVIDED AS STANDARD IN EACH ACB (AT-SERIES)

1. STANDARD TRIP TYPE: True RMS Sensing + Selectivity.
2. AUXILIARY SWITCHES: 5a + 5b
3. TRIP INDICATIONS: The associated LED is lit to indicate which trip function, LTD, STD/INST
or PTA ALARM CONTACTS: has operated. Also voltage-free contacts on Trip Device operate simultaneously.
4. PRE-TRIP ALARM: PTA Indication & Trip Switch. w/Adj. PTA functions.
5. PAD LOCKING: Provision for Pad Locking the ACB in OPEN position is provided.
6. TEST MODE: TEMPOWER ACBs can be checked/tested in the field anytime for precise operation.

B) OPTIONAL ACCESSORIES & TRIPPING DEVICES:

• Trip Indicator Switch
• Close-Open cycle Counter
• Key Interlock
• Key Interlock System
• Mechanical Interlock
• Extra for Adjustable Earth Fault Protection (w/o, 4th CT)
• Under-Voltage Trip (Time Delay)
• Shunt trip
• Motor Mechanism for Spring Charging
• Drawout version with safety shutters
• Closing Operations: Motor charging or solenoid operation
• TemTrip Relay including Digital Monitor
• Spare OCR for "AT" Series

TERASAKI TemPower ACBs are based on True R.M.S. Sensing + Selectivity. Hence they are designed for use as Main Incoming Breaker as well as a Secondary Breaker.

TERASAKI TemPower ACBs are custom designed. Your individual specifications can be incorporated by the factory.

For 4-POLE ACBs AND FURTHER DETAILS, PLEASE CONTACT US.

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