300CB08 HOLLAND | Alldatasheet

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1 300CB08/nrg300CB08 Amphenol All rights reserved DS-60-1891 5.6.19 v6 800-677-2288 | abs-go.com 300CB08/nrg300CB08 325A Dual-Feed Circuit Breaker Panel 300CB08/nrg300CB08 - 325A Dual-Feed Circuit Breaker Panel Power :: 8/8 Position Circuit Breaker Panel Overview The Amphenol 300CB08/nrg300CB08 are 325A dual-feed 8/8 position circuit breaker panels featuring ±12/±24/±48V operating voltages to serve both legacy and “next-gen” network applications. Engineered into a standard 1RU footprint, each circuit supports up to 60A breakers in each position, providing ample capacity for distribution to a broad range of components. Advanced circuit level monitoring features are available as an option. The panel is available in standard terminal block outputs or connectorized outputs. This platform provides front access to circuit breakers with alarm on/off switch configuration for uninstalled breaker locations. Also featured are front LED indicators for power/breaker alarms and monitoring status, and rear connections for form C relay alarms (and optional nrgSmart controller connections). Each of the 325A feeds provide power for up to eight output positions. Field replaceable circuit breakers are available from 5A to 60A per position. The front of the panel features a face plate designed to protect against unintended breaker on or off switching. The panel supports universal voltages (±12VDC to ±48VDC). Primary Benefits

  • Universal voltage (±12VDC, ±24VDC and ±48VDC) enables standardization on a single part number for multiple voltages
  • Up to 60A breakers for distribution to a variety of network elements
  • UL and NEBS compliant to ensure industry-standard safety and functional requirements
  • Form C relay contacts provide reliable alarm connections
  • Integrated designation card holder for simple power identification
  • Fail alarm LEDs indicate breaker and power failures
  • Clear, flame-retardant polycarbonate cover (94V-0) protects input and output power connections and wiring from damage 300CB08 - Front View Nrg300CB08 - Rear View

300CB08/nrg300CB08 Amphenol All rights reserved DS-60-1891 5/6/2019 v.6 800-677-2288 | abs-go.com 300CB08/nrg300CB08 325A Dual-Feed Circuit Breaker Panel

  • Either vertical feed inputs and staggered output terminal blocks facilitate waterfall cable management or horizontal feed inputs and output connectors allows cables to exit straight back from the panel
  • Optional Individual Circuit Monitoring provides high accuracy, 100% passive monitoring
  • Collect feed voltage, circuit current and temperature
  • Data is collected and sent to a customer’s network management system via SNMP and MODBUS

Applications

  • Wireless
  • Central office
  • Co-location
  • Remote sites
  • Secondary distribution

Ordering Information

Description: Part Number: 325A Dual-Feed Circuit Breaker Panel 8/8 Panel, Vertical Inputs, Output Terminal Blocks 300CB08 nrgSmart Circuit Monitoring, 8/8 Panel, Vertical Inputs, Output Terminal Blocks nrg300CB08 8/8 Panel, Horizontal Inputs, Connectorized Outputs, Standard Tie Bar 300CB08-C nrgSmart Circuit Monitoring, 8/8 Panel, Horizontal Inputs, Connectorized Outputs, Standard Tie Bar nrg300CB08-C Accessories Replaceable Alarm Card 307337 Replaceable Alarm Card, nrgSMART 307343 1RU Circuit Breaker Puller 307491 Blanking Covers (sheet of 16): to cover unused breaker positions 149568 Tie Bar Kit, Chassis Mount, Clear Cover 307620 Tie Bar Kit, Chassis Mount, Clear Cover, 4 Post Mounting Bracket, 22”-36” 307621 Retrofit Kit, 4 Post Mounting Brackets, 22”-36” 307622 Connector Kit: Plug, Contacts, 8-6 AWG 150326 Connector Kit: Plug, Contacts, 12-10 AWG 150325 Replaceable Contact: 8-6 AWG, Single 150333 Replaceable Contact: 12-10 AWG, Single 150334 nrgSMART Temperature Sensor, ACC, 6ft nrgTemp Single-pole Breakers 5A, standard delay, UL489 149710 10A, standard delay, UL489 149711 15A, standard delay, UL489 149712 20A, standard delay, UL489 149713 25A, standard delay, UL489 149714 30A, standard delay, UL489 149715 40A, standard delay, UL489 149716 45A, standard delay, UL489 149717 50A, standard delay, UL489 149718 60A, standard delay, UL489 149719 300CB08-C Rear View

300CB08/nrg300CB08 Amphenol All rights reserved DS-60-1891 5/6/2019 v.6 800-677-2288 | abs-go.com 300CB08/nrg300CB08 325A Dual-Feed Circuit Breaker Panel Specifications Inputs: Specifications: Voltage range (nominal voltage) ±12VDC, ±24VDC and ±48VDC Max. input load rating 325A @ 45°C per panel (De-rated to 200A @ 70°C) Short circuit withstand rating 5000A Nominal power loss at full load Less than 45W per side @15,600W full load per side (325A x 48V); 325A @ 45°C per panel (De-rated to 200A @ 70°C) Percentage of full power dissipation at nominal voltage Less than 0.5% Max. input interrupt device 125% of panel rating (for 325A rated feeds) Optional: Vertical input terminal studs (with Keps nuts and flat washers) for dual-hole compression lugs Two pairs of 3/8-16 studs on 1" centers per terminal [max. lug width of 1.15" (29.2 mm)]. Torque nut (using 9/16" or 15 mm socket) to 150 in/lb. (~17 N•m), max. Optional: Horizontal input terminal landings (with Keps nuts, flat washers, and bolts) for dual-hole compression lugs Two pairs of 3/8” holes on 5/8”-1" centers per terminal [max. lug width of 1.5" (38.1 mm)]. Torque bolt and nut (using 9/16" or 15 mm sockets) to 150 in/lb. (~17 N•m), max. Input wire size #2 AWG to 250 MCM Grounding: Specifications: Earth GND terminal bolts (with spring washers and flat washers) for dual-hole compression lug Three sets of 1/4-20 threaded holes on 5/8" centers. [max. lug width of .50" (12.7 mm)]. Torque bolts (using 7/16" or 12 mm socket) to 50 in/lb. (5.5 N•m), max. Ground wire size #14 AWG to #4 AWG Outputs: Specifications: Output circuit breaker Single-pole: 60A Output load Single-pole: 48A continuous Minimum short circuit interrupt rating 5000A Optional: Terminal blocks, single-hole compression lugs 16, #10-32 screws [max. lug width of .50" (12.7)]. Torque screw to 20 in/lb. (2.3 N•m), max. Optional: Output wire size, single-hole compression lug #14 AWG to #4 AWG Optional: Connectors Connector plug, latching, safe touch Optional: Output wire size, connectors #12 AWG to #6 AWG Circuit breakers EATON and AIRPAX 1U Series Alarms: Specifications: Alarm relay contacts 2A @ 30 VDC; 0.6A @ 60 VDC Max. alarm card power rating @12V: 18mA (0.22W) @24V: 20mA (0.48W); @48V: 30mA (1.44W) Alarm wire size #24 AWG, typical (#26 to #20 AWG) Terminals Wire wrap Dimensions: Specifications: 300CB08/nrg300CB08 Height: Depth: Width: 300CB08-C/nrg300CB08-C Height: Depth: Width: 1.75" (44 mm) 13.55" (344 mm) 17" (432 mm) without brackets 19” and 23” brackets included with panel 1.75" (44 mm) 18.8" (478 mm) without tie bar 22.0" (559 mm) with tie bar 17" (432 mm) without brackets 19” and 23” brackets included with panel Tie bar included with panel

300CB08/nrg300CB08 Amphenol All rights reserved DS-60-1891 5/6/2019 v.6 800-677-2288 | abs-go.com 300CB08/nrg300CB08 325A Dual-Feed Circuit Breaker Panel Voltage Sensor (nrgSMART model only): Specifications: Sensor accuracy -19.99 to +19.99V: ± 0.3V -20V to -60V: ± 0.1V +20V to +60V: ± 0.1V Voltage measurement range -60 to +60 VDC NOTE:

  • 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. Current Sensor (nrgSMART model only): Specifications: Precision / accuracy ±5% precision, ±0.25A accuracy Example: 40A current, will measure 40A ± (40A*5%) ± 0.25A = 40A ± 2.0A ± 0.25A = 37.75A to 42.25A Communication (nrgSMART model only): Specifications: nrgOS minimum required version nrgOS 4.0.0 nrgNET communication protocol Proprietary nrgNET used to communicate between panels and controller nrgNET connector Removable 5-pin connector with screw down terminals nrgNET connector functions nrgNET IN from the nrgCONTROL or upstream nrgSMART panel nrgNET OUT to downstream nrgSMART panel