3D40UM The Altech Corporation 3D40UM is a 3-pole, 40A thermal magnetic circuit breaker designed for DIN rail mounting. It features a D curve trip characteristic and UL508 approval.
Mfr Part #:

3D40UM

Mfr Name: Altech Corporation
Altech Corporation
The Altech Corporation 3D40UM is a 3-pole, 40A thermal magnetic circuit breaker designed for DIN rail mounting. It features a D curve trip characteristic and UL508 approval.
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3D40UM Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Approval Agency
Breaker Type
Current Rating
Current Rating (Amps)
Illumination
Mounting Type
Number of Poles
Operating Temperature
Voltage Rating

3D40UM Description

Short technical summary and product information.

The Altech Corporation 3D40UM is a thermal magnetic circuit breaker with a 40A current rating and a 480V AC voltage rating. This 3-pole breaker is designed for DIN rail mounting and features a D curve trip characteristic, making it suitable for applications with high inrush currents.

 

With a short circuit withstand rating of 10kA, the 3D40UM offers robust protection. It operates within a temperature range of -25°C to 70°C and has a calibration temperature of 40°C. The degree of protection is IP20.

 

This circuit breaker is approved by CSA and UL508, indicating its suitability for various industrial and commercial applications. Its thermal magnetic design ensures reliable operation for motor starting, general use, resistance loads, and lighting circuits.

3D40UM Quick Information

Product Type: Circuit Breaker
Series: UM Series
Canonical Name: Altech Corporation 3D40UM Thermal Magnetic Circuit Breaker
Subcategory: Manual Motor Controller

3D40UM Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

3D40UM Features

  • 40A current rating for robust protection.
  • 3-pole configuration for multi-phase circuits.
  • D curve trip characteristic for high inrush loads.
  • UL508 and CSA approved for safety.
  • DIN rail mounting for easy installation.

3D40UM Applications

  • Suitable for AC motor starting.
  • Used in general AC applications.
  • Appropriate for AC resistance loads.
  • Designed for AC discharge lamps.
  • Applicable for AC incandescent lamps.

3D40UM FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the 3D40UM circuit breaker?

The current rating is 40A.

How many poles does the 3D40UM circuit breaker have?

The 3D40UM circuit breaker has 3 poles.

What is the voltage rating for the 3D40UM circuit breaker?

The voltage rating is 480V AC.

What type of breaker is the 3D40UM?

The 3D40UM is a thermal magnetic circuit breaker.

What is the operating temperature range for this circuit breaker?

The operating temperature range is -25°C to 70°C.

What is the short circuit withstand rating?

The short circuit withstand rating is 10kA.

Is the 3D40UM RoHS compliant?

The RoHS status is RoHS3 Compliant.

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