speci:

Input: 120V or 277V input. Other voltages available on request. Synchronizing slew rate is 1 Hz per second nominal. Harmonic distortion <10%.65KAIC.

Output: 120V or 277V output. Other voltages available on request.

Fuse protected.

Output frequency is 60Hz and is ±0.05Hz during emergency mode.

Load power factor is 0.5 lag to 0.5 lead.

Cabinet: Free-standing NEMA Type 1.

Custom manufactured. 14 gauge steel cabinet with hinged lockable doors.

Modular design enables versatile installation.

Systems using standard lead calcium batteries that are 4.8 KVA and below are self-contained. Larger systems (6.0 KVA and above) require external, stackable battery cabinets.

Cooling: Forced air during emergency mode.

Conduit entry through 2” knockouts on top or left side.

Battery: Available with maintenance-free, sealed lead-calcium or wet nickel-cadmium batteries. Ambi- ent operating temperature limits are minimum 32°F and maximum 100°F, depending on battery type. Discharge cycle of 90 minutes at full load with fully charged batteries.

Extended run times available.

Charger: Microprocessor controlled for various battery types and temperature compensating (recharge per UL924 spec).

Standard 24-hour battery recharge.

Protection: Input circuit breaker standard.

Overload capacity is 125% for five minutes. Low-voltage battery disconnect, short-circuit proof, current- limiting, fused battery circuit, reverse polarity, brownout protection standard.

Standard supervision/display panel: Programmable self-diagnostic testing for 5 minutes monthly and 90 minutes annually.

Microprocessor controlled 2 x 20 character display with touch pad (4 x 4) controls, functions, and data logging. LCD meter panel displays input voltage, output voltage, battery voltage, battery current, output current,