System Integration

Customised AC & DC Power Test Systems

Turnkey testing systems - designed precisely to your requirements

Custom AC & DC Power Test Systems

Turnkey test systems designed around your exact requirements
Can’t find a standard product that fits your needs? No problem. We design and build custom test systems tailored to your specific application. From AC power source test systems to high-performance DC power racks, we deliver reliable solutions for a wide range of uses.

Our experienced engineers work closely with you to design,manufacture, and deliver a system that matches your technical, safety, and operational requirements exactly.
Key Features
  • Modular, expandable, robust, and service-friendly design
  • Fully tested, calibrated, and documented systems
  • Power Distribution Units (PDU) standard with 63A, 125A, or 160A
  • Main power switch with integrated Emergency Stop function
  • Emergency Stop controls from trusted manufacturers (e.g. PILZ®, Wieland®), supporting additional safety circuits up to Performance Level e(PLe)
  • Switchable insulation monitoring (e.g. Bender®)
  • 19" rack options in 15, 20, 24, 28, 37, and 42U
  • Application-specific control and indication devices, including:
    • Fault indication
    • Error status
    • Operating status
    • Visual and acoustic alarm indication
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Safety functions and additional options

A wide range of safety features and expansion options are available to meet your application needs:
  • Output-side switching options,such as DC contactors (manufactured by Schaltbau®) for safe shutdown in the event of insulation faults or other safety conditions
  • Multiple connection options for DUTs
  • Integration of additional 19" devices, such as power analysers, industrial PCs, or Ethernet switches
  • Custom cooling solutions
  • Complete technical documentation
  • Electrical safety testing in accordance with EN 60204-1
  • Factory calibration certificate included, with ISO 17025 calibration available as an option
  • On-site commissioning and user training

Customised Solutions

Some of our delivered systems

120kVA AC/DC Test System (19" Cabinet)
  • Eight AFX-series AC/DC power sources, each rated at 15kVA, configured in a master/auxiliary setup
  • Power Distribution Unit (PDU) with two independent 125A inputs
  • Customer-specific wiring for all inputs and outputs
  • Compact and mobile design with front and rear access doors
  • Remote control via the Pacific Power Source web server
  • Simple and intuitive parameter setup and test program creation
  • Built-in standard test routines and automated test sequences with reporting
AFX Series
Compact & Mobile AC/DC Power Supply – 30kVA/kW
  • Two AFX-series AC/DC power sources from Pacific Power Source
  • System grounding
  • Power distribution unit with integrated emergency stop circuit (optional external emergency stop)
  • Touch-safe electrical connections
  • Electrical safety testing in accordance with EN 60204-1Machinery directive
  • Multilingual documentation including circuit diagrams and parts list
AFX Series
2-Channel Bidirectional DC Power Supply Test System
  • 15kW – 1000V bidirectional DC power per channel. Optional expansion to a two-channel system with 30 kW / 1000 V total output
  • Designed and built by Caltest Instruments using EA-PSB 10000 4U power supplies from EA Elektro-Automatik, a Tektronix Company
  • Dedicated insulation monitoring system with DC contactors on the output
  • Plug-and-play design for fast installation and commissioning
  • Power distribution unit with integrated emergency stop function
EA-PSB 10000 4U Series
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Caltest Instruments Ltd
Unit 2 Viceroy Court,
Bedford Road, Petersfield,
Hampshire, GU32 3LJ