DC/AC Inverters

Powerbox PBSP 74O SERIES DC/AC Inverter - Railway (4kW)

The Powerbox PBSP 74O Series DC/AC Railway Inverter is a powerful and reliable 4kW solution designed for critical railway applications. Engineered for durability and stable power delivery, it provides clean AC power suited to onboard systems, signaling, and other essential railway functions.

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Powerbox PBSP 74O SERIES

Features

  • 4000W DC/AC Inverter
  • Rolling Stock Rail 74VDC Input
  • Rugged Build
  • High Surge Rating 12KW
  • Input Spike & Burst Protected
  • Model Variants available; -C. -CL. -D. -G. -H. -R. and -S
Specifications
INPUT
Input Voltage: 74Vdc (60-84Vdc)
Input Current 40mA standby, 60A (74Vdc input), 160A max.
Startup voltage 67Vdc: (-C, -D, -G, -H, -R, -Z, -ZS) 60Vdc: (-CL)
Under voltage cut-out 59Vdc.
Under voltage re-set 71Vdc.
Over voltage cut-out 90Vdc.
Over voltage re-set 87Vdc
Input Current Standby: 40mA ON with no load: 400mA Pout = 4000W, Vin=74Vdc; 60A, Any load, 60V < Vin < 84Vdc; 160A max
OUTPUT
Output Voltage 240Vac ±5%
Output Frequency 50Hz ±1%
Total Harmonic Distortion 3%
Output power 4kW continuous. (Ta=50C, PF=1.0)
Output current 16.7A rms
Surge power 5kW, 30min; 12kW, 3sec.
Efficiency 90%–95% load dependent.
DISPLAYS, CONTROLS & ALARMS
Front Panel Controls Variants -C, -CL,-D,-G,-Z,-ZS DC Input 100A 10kA MCB ON/OFF Toggle SwitchAC Output 20A MCB/RCD
Front Panel Controls Variant -H DC Input 100A 10kA MCB ON/OFF REMOTE Toggle SwitchAC Output 20A MCB/RCD
Front Panel Controls Variant -R DC Input 100A 10kA MCB ON/OFF REMOTE Toggle Switch
Front Panel Displays All Variants ON / Standby / Overload LED Overtemperature LED DC Volts Out of Range LED
Remote ON/OFF Control Variants -H, -R Two pins on Alarm/Control connector for external voltage free contact. These pins are connected to internal circuitry which is connected to the 74Vdc input power
PROTECTION
Input protection 100A, AS3111, 10kA MCB Input Over / Undervoltage Cutout
Output overload and short circuit protection Automatic shutdown Auto restart after 60 secs
Output protection 20A, AS3111/AS3190 4.5kA C-Curve MCB/RCD. Mounted on inverter on all variants except -R. Supplied separately on -R variant Output neutral connected to inverter chassis earth on inverter side of MCB/RCD
Over temperature protection Automatic Shutdown
Dialectric Strength Input to Chassis: 1700Vdc Output to Chassis: 2250Vdc Input to Output: 4250Vdc
MECHANICAL PBSP-74O-C, CL-D
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector Mating connector,-C,-CL & -D MIL-C-5015 MS3102 E28-22P F80 Six crimp pin chassis receptacle MIL-C-5015 MS3108 E28-22S F80 Right angle crimp pin chassis receptacle Supplied with unit
AC Output connector Mating connector,-C,-CL MIL-C-5015 MS3102 E18-10S F80 Four crimp pin chassis receptacle MIL-C-5015 MS3106 E18-10P F80, PG-16 Four crimp pin plug with 16mm conduit fitting Supplied with unit
AC Output connector Mating connector,-D MIL-C-5015 MS3106 E18-10P F80 Four crimp pin plug with strain relief Supplied with unit
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
STANDARDS AND APPROVALS
C-Tick Designed to meet AS/NZS CISPR11: /EN50121-3-2 limits
MECHANICAL PBSP-74O-G
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector Mating connector MIL-C-5015 MS3102 E28-22P F80 Six crimp pin chassis receptacle MIL-C-5015 MS3108 E28-22S F80 Right angle crimp pin chassis receptacle Supplied with unit
AC Output connector Three Wilco WIBM110-LE, single phase 10A 3 flat IP56 insulated socket outlets
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
Mating connector
MECHANICAL PBSP-74O-H and -R
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector
Mating connector		 MIL-C-5015 MS3102 E28-22P F80
Six crimp pin chassis receptacle
MIL-C-5015 MS3108 E28-22S F80
Right angle crimp pin chassis receptacle
Supplied with unit
AC Output connector
Mating connector		 MIL-C-5015 MS3102 E18-10S F80
Four crimp pin chassis receptacle
MIL-C-5015 MS3106 E18-10P F80
Four crimp pin plug with 16mm conduit fitting
Supplied with unit
Alarm / Control Termination MIL-C-5015 MS3102 E16-1S F80
Seven crimp pin chassis receptacle
MIL-C-5015 MS3106 E16S-1P F80
Seven crimp pin plug with 16mm conduit fitting
Supplied with unit
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
Technical Illustrations
powerbox-pbsp-74o-series
Downloads
PBSP-740_Rev.D_22-02-16_datasheet.pdf
INPUT
Input Voltage: 74Vdc (60-84Vdc)
Input Current 40mA standby, 60A (74Vdc input), 160A max.
Startup voltage 67Vdc: (-C, -D, -G, -H, -R, -Z, -ZS) 60Vdc: (-CL)
Under voltage cut-out 59Vdc.
Under voltage re-set 71Vdc.
Over voltage cut-out 90Vdc.
Over voltage re-set 87Vdc
Input Current Standby: 40mA ON with no load: 400mA Pout = 4000W, Vin=74Vdc; 60A, Any load, 60V < Vin < 84Vdc; 160A max
OUTPUT
Output Voltage 240Vac ±5%
Output Frequency 50Hz ±1%
Total Harmonic Distortion 3%
Output power 4kW continuous. (Ta=50C, PF=1.0)
Output current 16.7A rms
Surge power 5kW, 30min; 12kW, 3sec.
Efficiency 90%–95% load dependent.
DISPLAYS, CONTROLS & ALARMS
Front Panel Controls Variants -C, -CL,-D,-G,-Z,-ZS DC Input 100A 10kA MCB ON/OFF Toggle SwitchAC Output 20A MCB/RCD
Front Panel Controls Variant -H DC Input 100A 10kA MCB ON/OFF REMOTE Toggle SwitchAC Output 20A MCB/RCD
Front Panel Controls Variant -R DC Input 100A 10kA MCB ON/OFF REMOTE Toggle Switch
Front Panel Displays All Variants ON / Standby / Overload LED Overtemperature LED DC Volts Out of Range LED
Remote ON/OFF Control Variants -H, -R Two pins on Alarm/Control connector for external voltage free contact. These pins are connected to internal circuitry which is connected to the 74Vdc input power
PROTECTION
Input protection 100A, AS3111, 10kA MCB Input Over / Undervoltage Cutout
Output overload and short circuit protection Automatic shutdown Auto restart after 60 secs
Output protection 20A, AS3111/AS3190 4.5kA C-Curve MCB/RCD. Mounted on inverter on all variants except -R. Supplied separately on -R variant Output neutral connected to inverter chassis earth on inverter side of MCB/RCD
Over temperature protection Automatic Shutdown
Dialectric Strength Input to Chassis: 1700Vdc Output to Chassis: 2250Vdc Input to Output: 4250Vdc
MECHANICAL PBSP-74O-C, CL-D
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector Mating connector,-C,-CL & -D MIL-C-5015 MS3102 E28-22P F80 Six crimp pin chassis receptacle MIL-C-5015 MS3108 E28-22S F80 Right angle crimp pin chassis receptacle Supplied with unit
AC Output connector Mating connector,-C,-CL MIL-C-5015 MS3102 E18-10S F80 Four crimp pin chassis receptacle MIL-C-5015 MS3106 E18-10P F80, PG-16 Four crimp pin plug with 16mm conduit fitting Supplied with unit
AC Output connector Mating connector,-D MIL-C-5015 MS3106 E18-10P F80 Four crimp pin plug with strain relief Supplied with unit
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
STANDARDS AND APPROVALS
C-Tick Designed to meet AS/NZS CISPR11: /EN50121-3-2 limits
MECHANICAL PBSP-74O-G
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector Mating connector MIL-C-5015 MS3102 E28-22P F80 Six crimp pin chassis receptacle MIL-C-5015 MS3108 E28-22S F80 Right angle crimp pin chassis receptacle Supplied with unit
AC Output connector Three Wilco WIBM110-LE, single phase 10A 3 flat IP56 insulated socket outlets
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
Mating connector
MECHANICAL PBSP-74O-H and -R
Mechanical Outline See Technical illustration
Construction Powder coated aluminum chassis.
Dimensions 490 x 300 x 235mm
Weight 38kgs.
DC Input connector
Mating connector		 MIL-C-5015 MS3102 E28-22P F80
Six crimp pin chassis receptacle
MIL-C-5015 MS3108 E28-22S F80
Right angle crimp pin chassis receptacle
Supplied with unit
AC Output connector
Mating connector		 MIL-C-5015 MS3102 E18-10S F80
Four crimp pin chassis receptacle
MIL-C-5015 MS3106 E18-10P F80
Four crimp pin plug with 16mm conduit fitting
Supplied with unit
Alarm / Control Termination MIL-C-5015 MS3102 E16-1S F80
Seven crimp pin chassis receptacle
MIL-C-5015 MS3106 E16S-1P F80
Seven crimp pin plug with 16mm conduit fitting
Supplied with unit
Wiring All internal wiring uses Radox 125 halogen free low smoke cable.
powerbox-pbsp-74o-series
PBSP-740_Rev.D_22-02-16_datasheet.pdf

Find the Right Model

Model Number Input Voltage (Vdc) Output Voltage (Vac) Output Power (Va / kVA)
product variant PBSP-74O-C 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-C-DC 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-CL 74Vdc: 60 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-D 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-D-DC 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-G 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-H 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-R 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-S 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-T 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-T-DC 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-Z 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)
product variant PBSP-74O-ZS 74Vdc: 67 - 84Vdc 240Vac 50Hz 4,000 VA (Cont.)

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