Across International -40C/F Cold Trap with 500ml x 3 Traps - UL/CSA Certified, 110 Volt

Across International -40C/F Cold Trap with 500ml x 3 Traps - UL/CSA Certified, 110 Volt

SKU #: T40-UL

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The newly re-designed Ai 2nd Gen -40°C/F T40 cold traps now all come UL/CSA certified, standard. They have a much smaller footprint, but at the same time, offering you the same cooling power, 1.5X reservoir and 1.6X trap capacity. New upward hose barb ports provide you safer and easier vacuum tubing connection and removal.

In vacuum applications, a cold trap is a device that condenses all vapors except the permanent gases into a liquid or solid. The most common objective is to prevent vapors being evacuated from an experiment from entering a vacuum pump where they would condense and contaminate it. Particularly large cold traps are necessary when removing large amounts of liquid as in freeze drying.

Pumps that use oil either as their working fluid (diffusion pumps), or as their lubricant (mechanical rotary pumps), are often the sources of contamination in vacuum systems. Placing a cold trap at the mouth of such a pump greatly lowers the risk that oil vapors will back stream into the cavity.

Care should be taken when using a cold trap not to condense liquid oxygen (a light blue liquid) into the cold trap. Liquid oxygen is potentially explosive, and this is especially true if the trap has been used to trap solvent. Liquid oxygen can be condensed into a cold trap if a pump has sucked air through the trap when the trap is very cold.


  • UL 471:2010 and CSA C22.2 certified
  • 1.5X more reservoir and 1.6X more trap capacity compare to its predecessor
  • No dry ice or liquid nitrogen needed
  • All steel housing for durability
  • Small footprint, built-in swivel casters for mobility
  • Plug and play, no assembly required

Product Specs:

 Model  T40-UL
 Electrical requirements
  110V 60Hz 1-PH
 Compressor  Make: Embraco
 Power: 115V 60Hz 1PH 6.6A, 650 watts
 Refrigerant: R404A (200g)
 Cooling capacity:
    @ -10°C: 300W
    @ -20°C: 250W
    @ -30°C: 150W
    @ -40°C: 50W

   1.3 gallon (5 liters)
ameter 6 1/4 inches
   Depth: 9 1/2 inches
  -40 °F (-40°C)
 Display: digital
 Unit: °F
 Sensor: Pt100
 Finish  Exterior: powder coated steel
polished type 304 stainless steel
 Trap  Material: high borosilicate glass 3.3
 Volume: 500ml
 Diameter: 2 inches
 Depth: 11 1/2 inches
 Quantity: three
 Vacuum connection  3/8" hose barb
 Recommended coolant   For 50°F/10°C or higher: purified water
 Between 50°F/10°C and -40°F/°C: 50% Ethylene glycol + 50% purified water
 Unit weight
 100 Lb
 Unit dimensions 
 13 x 18 x 26" (WxDxH)
 Compliance  UL 61010-1: 2012 Ed.3+R:29Apr2016
 CSA C22.2#61010-1: 2012 Ed.3
 Warranty  One year

Package includes

  Part description


 Ai T40-UL -40°C/°F cold trap
1 pc
 Glass trap with upward ports
3 pcs
 3/8" silicone vacuum tubing
10 ft
 Radiator cleaning brush
1 pc
  3/8" hose barb to KF25 flange adapter 2 pcs
 KF25 quick clamp and centering ring
2 sets
 User's manual 1 pc
Tech Specs


BrandAcross International
Weight (lb.)155
Prop 65No
Length (in.)24
Width (in.)20
Height (in.)37
UL ListedYes