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nrgSMART 600A Load Center panels are available with dual-feed 10/10 or single-feed 20 circuit breaker positions to accommodate bullet-style breakers or fuse holders. The panels feature -48V operating voltage to fit in legacy and “next-gen” network applications, with advanced circuit level monitoring features engineered into a compact 2RU footprint.
|Voltage range, nominal voltage||-40V to -60V (Nominal -48V)|
|Maximum input load rating||600A per feed|
|Short circuit withstand rating||5000A|
|Nominal power loss at full load||Less than 7W per side @ 28,000W
full load (600A x 48V)
|Percentage of full power dissipation at nominal voltage||Less than 1%|
|Max. input interrupt device||750A|
| Input terminal studs (with nuts, flat washers and
spring washers) for dual-hole compression lugs
| – Two pair of 3/8-16 studs on 1-in. centers per terminal
[max. lug width of 1.94-in. (49.2 mm)] per pair
– Torque nut (using 9/16-in. or 15 mm wrench) to 150-in.-lb. (~17N•m), max.
|Input wire size||#1 AWG to 750MCM|
|Max. output circuit breaker||Single-pole: 100A
|Max. output load (ea.) – continuous||Single-pole: 80A
|Minimum short circuit interrupt rating||5000A|
|Max. total output load||550A per side|
| Output terminal studs (with KEPS, nuts, and washers)
for dual-hole compression lugs
| – 1/4-20 studs on 5/8-in. centers [max. lug width of 0.625-in. (15.8 mm) for a BATT terminal
and 0.70-in. (17.7 mm) for a RTN terminal]
– Torque bolts (using 7/16-in. or 12 mm wrench) to 50-in.-lb. (5.5 N•m), max.
|Output wire size||– #10 AWG (min.) for a 25A single-pole interrupter to #2 AWG (min.) for a 100A single-pole interrupter
– #2 AWG (min.) for double-pole interrupters from 100A to 175A
– 2/0 AWG (min.) for triple-pole interrupters
|Circuit breakers*||AIRPAX®-style LEL or
| * Telect suggests you avoid using different types of circuit breakers in the same load center. Alarm contacts may vary among interrupter manufacturers and may incapacitate the alarm system.
** Circuit breakers for this load center are designed and manufactured by Airpax Corporation and Carling Industries to meet Telect’s symmetrical pin
specifications. Order circuit breakers only from Telect.
|Earth GND terminal bolts (with washers) for dual-hole compression lugs|| – Two pair of 1/4-20 threaded holes on 5/8 in. centers.
– Torque bolts (using 7/16 in. or 12 mm wrench) to 50 in.-lb. (5.5 N•m), max.
|Input wire size||#2 AWG (min.) for any input interrupt device 400A or more|
|Alarm wire size||#24 AWG, typical (#26 to #20 AWG)|
|Alarm terminals||Wire wrap|
|Relay contact ratings||Dry Form-C contacts (1A @ 30 VDC; 0.5A @ 60 VDC, 0.3A @ 125 VAC)|
|Max. alarm power rating|| @24V: 72 mA (1.73W)
@48V: 147 mA (7.06W)
|Sensor accuracy|| 0 to -19.99V: ±0.3V
-20V to -60V: ±0.1V
|Voltage measurement range||0 to -60 VDC|
|Feed voltage detection|| 0 to -19.99V: Alarm
-20V to -60V: Normal
– Voltage measurement may be slightly different than at input terminal blocks due to the voltage drop within the panel.
– Sensors are factory calibrated and do not require user adjustment.
|nrgNET sensor and alarm card power||-48 VDC nominal|
|nrgNET data communication||RS-485|
|nrgNET connector||Removable 5-pin connector with screw down terminals|
|nrgNET connector functions|| nrgNET IN from the nrgCONTROL or nrgSMART panel,
nrgNET OUT to next in-line nrgSMART panel
|Supported protocols||Proprietary nrgNET used to communicate between panels and controller|
|Fit and Finish|
|Color||Pewter grey powder coat|
|Dimensions (L x W x H)||19″ L x 15″ W x 3.5″ H (483 mm x 381 mm x 88 mm)|
|Weight, without packaging and accessories||18 lbs. (8.2kg)|
|Weight, shipping||25 lbs. (11kg)|
|Operating temperature||-10°C (14°F) to 44°C (127°F)|
|Humidity||90% and non-condensing|