DC & AC Power Supplies – Bench & Programmable | Duncan Instruments – Duncan Instruments Canada Ltd

Power Supplies

Power Supplies

Explore our wide selection of bench and programmable power supplies from trusted brands like Global Specialties, designed for precision, safety, and reliability.

Whether you're working in a research lab, educational setting, electronics workshop, or industrial testing environment, Duncan Instruments has the right power supply for your application.

We offer:

  • Single, dual, and triple output models

  • DC and AC variable supplies

  • Programmable units with USB/RS-232 control

  • CSA-approved models for compliance and safety

  • Power outputs ranging from 30W to 390W

Each unit is supported by our expert team and backed by fast, reliable shipping across Canada.

🔍 Why Buy Power Supplies from Duncan Instruments?

  • 🇨🇦 Based in Canada – pay in CAD, no import delays

  • 🔧 We service what we sell – full calibration and repair support

  • 📦 In-stock models ship fast

  • ✅ Trusted since 1968 – we help professionals test with confidence

Need help choosing the right power supply?
Call us at 416-742-4448 or email sales@duncaninstr.com — our experts are here to help.

12 products
Global Specialties 1325 – 80W Single Output DC Power Supply with USB Charging Port (CSA Approved)
Global Specialties 1325 – 80W Single Output DC Power Supply with USB Charging Port (CSA Approved)
Global Specialties
$ 315.00 CAD
Global Specialties 1368 – Triple Output Programmable DC Power Supply (210W, CSA Approved)
Global Specialties 1368 – Triple Output Programmable DC Power Supply (210W, CSA Approved)
Global Specialties
$ 2,347.00 CAD
Global Specialties 1369 – Triple Output Programmable DC Power Supply (390W, CSA Approved)
Global Specialties 1369 – Triple Output Programmable DC Power Supply (390W, CSA Approved)
Global Specialties
$ 3,203.00 CAD
Global Specialties 1370 – Triple Output Programmable DC Power Supply (390W, CSA Approved)
Global Specialties 1370 – Triple Output Programmable DC Power Supply (390W, CSA Approved)
Global Specialties
$ 3,203.00 CAD
GW Instek - GPS 6010 - Power Supply
GW Instek - GPS 6010 - Power Supply
GW Instek
$ 262.41 CAD $ 126.00 CAD Sale
Global Specialties 1420 – Variable AC Power Supply (0–150 VAC, 3 A Continuous, CSA Approved)
Global Specialties 1420 – Variable AC Power Supply (0–150 VAC, 3 A Continuous, CSA Approved)
Global Specialties
$ 1,467.00 CAD
Front view of Global Specialties 1415 Dual Output DC Power Supply
Global Specialties 1415 Dual Output DC Power Supply – CSA Approved
Global Specialties
$ 734.00 CAD
Global Specialties 1410 DC Power Supply – 30V 3A 90W CSA
Global Specialties 1410 DC Power Supply – 30V 3A 90W CSA
Global Specialties
$ 655.00 CAD
1405: Power Supply: 1-36 VDC, 0-3 A & 3.3/5 VDC, 2 A & 12 V, 1 A; CSA approved
1405: Power Supply: 1-36 VDC, 0-3 A & 3.3/5 VDC, 2 A & 12 V, 1 A; CSA approved
Global Specialties
$ 449.00 CAD
1403: DC Power Supply: 1-20 V, 0-5 A & 3.3/5 V, 2 A & 12 V, 1 A; CSA approved
1403: DC Power Supply: 1-20 V, 0-5 A & 3.3/5 V, 2 A & 12 V, 1 A; CSA approved
Global Specialties
$ 369.15 CAD
Global Specialties 1350 – Triple Output Programmable DC Power Supply (200W, CSA Approved)
Global Specialties 1350 – Triple Output Programmable DC Power Supply (200W, CSA Approved)
Global Specialties
$ 2,104.00 CAD
1320: DC Power Supply: 0-32V, 0-3A (2) & 5V, 3A; CSA approved
1320: DC Power Supply: 0-32V, 0-3A (2) & 5V, 3A; CSA approved
Global Specialties
$ 1,431.00 CAD

Power Supplies for Engineers, Technicians, and Instructors

Duncan Instruments offers a carefully selected range of DC power supplies for laboratory, service bench, and classroom use. Whether you're troubleshooting electronics, powering test jigs, or conducting instructional experiments, we carry models that meet the demands of professional environments.

Types of Power Supplies Available:

  • Linear DC Power Supplies – Known for low noise and precise voltage regulation.
  • Switching Power Supplies – Compact and efficient for higher power needs.
  • Single and Multi-Output Models – From simple 0–30V units to programmable triple-output supplies.
  • Portable and Rack-Mount Units – For use in field service or permanent test setups.

    Brands include Global Specialties and others known for reliability, intuitive controls, and protection features like over-voltage and current limiting.

Why Choose Duncan Instruments?

✔️ Canadian company, trusted since 1968
✔️ Technical guidance from experienced staff
✔️ Fast Canadian shipping
✔️ Calibration and service support available
✔️ Volume and educational pricing options—ask us!

Need assistance selecting the right supply?

Reach out at 416-742-4448 or sales@duncaninstr.com—we’re glad to help.