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BA1-B0-11-650-522-D Littelfuse BA1-B0-11-650-522-D is a 50A 277V 1-pole magnetic hydraulic delay circuit breaker with lever actuation and panel mount. It is approved by CCC, CSA, UL, and VDE.
Mfr Part #:

BA1-B0-11-650-522-D

Mfr Name: Littelfuse Inc.
Littelfuse Inc.
Littelfuse BA1-B0-11-650-522-D is a 50A 277V 1-pole magnetic hydraulic delay circuit breaker with lever actuation and panel mount. It is approved by CCC, CSA, UL, and VDE.
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BA1-B0-11-650-522-D 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
SVHC Present
Voltage Rating
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BA1-B0-11-650-522-D Description

Short technical summary and product information.

The Littelfuse BA1-B0-11-650-522-D is a single-pole magnetic hydraulic delay circuit breaker rated for 50A continuous current at 277V. This breaker uses a magnetic hydraulic delay mechanism for reliable overcurrent protection, combining fast response to high faults with time-delay characteristics for temporary inrush currents. The lever actuator provides manual reset and ON/OFF control. It is designed for panel mount installation and is suited for a variety of industrial and commercial applications. Compliance approvals include CCC, CSA, UL, and VDE, ensuring acceptance in global markets. The compact 1-pole design makes it ideal for space-constrained distribution panels and control systems.

BA1-B0-11-650-522-D Quick Information

Product Type: Circuit Breaker
Series: BA1
Canonical Name: Littelfuse BA1-B0-11-650-522-D 50A 277V 1-Pole Magnetic Hydraulic Circuit Breaker
Subcategory: Magnetic Hydraulic Circuit Breaker

BA1-B0-11-650-522-D Compliance

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

BA1-B0-11-650-522-D Features

  • Rated for 50A continuous current.
  • For 277V AC or DC systems.
  • Magnetic hydraulic delay trip mechanism.
  • Single pole configuration.
  • Lever actuator for manual reset.

BA1-B0-11-650-522-D Applications

  • For overcurrent protection in industrial panels.
  • Used in HVAC and refrigeration equipment.
  • Suitable for commercial lighting systems.
  • Common in power distribution units.

BA1-B0-11-650-522-D FAQs

7 frequently asked questions generated from this part’s specifications.
What is the voltage rating of the BA1-B0-11-650-522-D?

277V.

What is the mounting type for this circuit breaker?

Panel mount.

What is the current rating of this breaker?

50A.

How many poles does it have?

1 pole.

What type of breaker is this?

Magnetic hydraulic delay.

What approvals does it have?

CCC, CSA, UL, VDE.

What is the actuator type?

Lever.

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BA1-B0-12-650-B22-D
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The Littelfuse Inc. BA1-B4-14-650-512-D is a magnetic hydraulic delay circuit breaker. It features a panel mount design and a 50A current rating.
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