Model 1550

Switching DC Bench Power Supply with USB Charger Output 1-36V, 0-3A

Price: $215 / 1 yr Warranty

Name Qty Last Updated
RS Europe 39 2026-09-21
NEWARK 3 2026-09-21
TME 1 2026-09-21
DIGI-KEY 179 2026-09-21
MOUSER ELECTRONICS 16 2026-09-19

Overview

The model 1550 is a compact 108 watt bench power supply delivering 1-36V and 0-3A from its main isolated output. A unique feature of the 1550 bench power supply is the USB charging port located on the front panel allowing the user to charge a cell phone or MP3 player. Clean power and quiet operation make this power supply ideal for laboratories, work shops, and schools where bench space is limited.

  • USB Charging port on front panel
  • Rear panel security loop
  • Compact design frees up bench space
  • Output On/Off control
  • Large bright easy to read LCD display
  • Constant voltage and constant current operation
  • Overvoltage protection

Ordering Information: Base model 1550 operates with 110 V input only. For 220 V operation, request model 1550-220V at time of order.

Documents

Documentation

Software

Accessories

TL 5A

5A Hook-Up Cable Set

TL 5A

 

  • 4mm Banana plug to alligator clip
  • 5A rating
  • Black and Red pair
  • 40" (1.0m) length

 

MSRP: $15
TL 9160

150cm Stacking Retractable Sleeve Plug Output Cable Kit

TL 9160

Added safety and protection when standard jack connections are encountered. Clear covering sleeve retracts as you plug into the jack. Banana plug includes a Red plastic insulation tip for added protection.

  • Materials: Body: Polyamide (Nylon); Contact: Brass, Nickel Plt.
  • Banana Contact: BeCu, Nickel Plt.
  • Kit contains a Red, Green and Black cable

MSRP: $50
TLPS

Power Supply Test Leads Set

TLPS

This accessory kit combines safety and functionality. A must have for anyone who uses power supplies or loads.

  • Medium and large insulated alligator clips
  • Black and red components
  • Sense lead included

 

 

Description Max current
Red and black test lead (120 cm) 25 A
Spade lug adapters (6 & 4 mm) 36 A
Standard alligator clips 3 A
4 mmBanana plug adapters 36 A
Large insulated alligator clips 36 A
Red and black sense leads (10 cm) 3 A

MSRP: $74
TLPWR31

100 cm Premium Spade Connector Test Lead Set

TLPWR31

High quality red and black cable dual diameter spade connectors for connecting to power supplies or DC loads.

  • Length: 1 meter
  • Rated current: 30 A
  • Connectors: 6/4 mm Spade lug
  • Wire material: flexible silicon jacket

MSRP: $61
TLPWR32

200 cm Premium Spade Connector Test Lead Set

TLPWR32

High quality red and black cable dual diameter spade connectors for connecting to power supplies or DC loads.

  • Length: 2 meter
  • Rated current: 30 A
  • Connectors: 6/4 mm Spade lug
  • Wire material: flexible silicon jacket

MSRP: $76

Additional Materials

Name

Description
Power_Supply_SelectGuide_2026.pdf
Power Supply Selection Guide