QLB-303-11B3N-3BA The Qualtek QLB-303-11B3N-3BA is a 30A thermal circuit breaker designed for front panel mounting. It operates at up to 250VAC or 32VDC and features a push-to-reset actuator.
Mfr Part #:

QLB-303-11B3N-3BA

Mfr Name: Qualtek
Qualtek
The Qualtek QLB-303-11B3N-3BA is a 30A thermal circuit breaker designed for front panel mounting. It operates at up to 250VAC or 32VDC and features a push-to-reset actuator.
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QLB-303-11B3N-3BA Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Actuator Type
Breaker Type
Current Rating
Current Rating (Amps)
Insulation Resistance
Lead Style
Mounting Type
Number of Poles
SVHC Present
Terminal
Voltage Rating

QLB-303-11B3N-3BA Description

Short technical summary and product information.

The Qualtek QLB-303-11B3N-3BA is a thermal circuit breaker from the QLB Series, rated for 30A and suitable for use with 125/250VAC and 32VDC systems. It features a robust design with a panel mount configuration and a metal bushing, requiring an M11x1.0 panel cutout.

 

This circuit breaker is designed for reliable overcurrent protection, offering a push-to-reset actuator for manual operation. Key electrical specifications include a dielectric strength of 1500VAC for one minute and an insulation resistance of 100M Ohms. The interrupting capacity is rated at 1000A at 125VAC.

 

Compliance is a key feature, with the QLB-303-11B3N-3BA certified as RoHS3 Compliant and REACH Unaffected. It also contains SVHC substances. The component is designed for front panel mounting, with a 0.250 quick disconnect terminal style for easy integration into electrical systems.

QLB-303-11B3N-3BA Quick Information

Product Type: Thermal Circuit Breaker
Series: QLB Series
Canonical Name: Qualtek QLB Series Thermal Circuit Breaker
Subcategory: Thermal Circuit Breaker

QLB-303-11B3N-3BA Compliance

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

QLB-303-11B3N-3BA Features

  • 30A current rating for AC and DC circuits.
  • Designed for 125/250VAC and 32VDC operation.
  • Front panel mount with M11x1.0 cutout.
  • Push-to-reset actuator for manual operation.
  • RoHS3 Compliant and REACH Unaffected.

QLB-303-11B3N-3BA Applications

  • Provides overcurrent protection.
  • Suitable for panel-mounted systems.
  • Used in AC and DC power circuits.
  • Integrates easily with quick disconnects.

QLB-303-11B3N-3BA FAQs

7 frequently asked questions generated from this part’s specifications.
What is the current rating of the QLB-303-11B3N-3BA circuit breaker?

The current rating is 30A.

What is the maximum AC voltage rating for this circuit breaker?

The maximum AC voltage rating is 250V.

What is the DC voltage rating for the QLB-303-11B3N-3BA?

The DC voltage rating is 32V DC.

How is the QLB-303-11B3N-3BA circuit breaker mounted?

It is designed for front panel mounting.

What type of actuator does this thermal circuit breaker have?

It features a push-to-reset actuator.

Is the QLB-303-11B3N-3BA RoHS compliant?

Yes, it is RoHS3 Compliant.

Does this circuit breaker contain SVHC substances?

Yes, it contains SVHC substances.

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