BR1C4AC Equivalent & Substitute Parts

Part Overview

The BR1C4AC is a single-pole circuit breaker manufactured by Weidmüller, designed for AC/DC applications with a 4A current rating. This component is classified as obsolete, necessitating identification of active equivalent models to maintain system functionality and ensure continued availability for replacement and new installations.

Substiute Parts

BR1C4AC

WeidmüllerIn Stock: 814BR1C4AC Datasheet

Current PartRFQ

2477850000

WeidmüllerIn Stock: 11412477850000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

The BR1C4AC has been identified with one active equivalent: the 2477850000 (MCB 489 series). This substitution is valid based on the following critical parameters:

• Number of Poles: Both parts are single-pole (1P) configurations
• Current Rating: Both rated at 4A
• Breaker Type: Both are thermal magnetic circuit breakers
• Voltage Compatibility: The substitute supports 277V AC and 60V DC, maintaining compatibility with the original AC/DC design intent
• Actuator Type: Both utilize lever actuation
• Regulatory Compliance: Both carry equivalent international certifications (CE, CSA, TUV, UL489, VDE)
• Tariff Classification: Identical HTSUS code (8536.20.0020) confirms functional equivalence
• Environmental Classification: Both have MSL 1 (Unlimited) rating

Parameter Comparison

Engineering Selection Recommendations

The 2477850000 (MCB 489 series) is the designated equivalent for the obsolete BR1C4AC. Selection of this substitute is based on:

• Functional Equivalence: Identical pole count, current rating, and breaker technology
• Active Product Status: The substitute is currently in active production, ensuring long-term availability and supply chain continuity
• Regulatory Compliance: Comprehensive international certifications (UL489, CE, CSA, TUV, VDE) confirm suitability for global applications
• Environmental Compliance: RoHS compliance of the substitute meets modern regulatory requirements
• Standardized Mounting: DIN Rail mounting is the industry standard for modular circuit breaker installations

Frequently Asked Questions (FAQ)

Q: Why is the BR1C4AC being replaced? A: The BR1C4AC is classified as obsolete. The 2477850000 is the active equivalent that maintains identical electrical and mechanical specifications.

Q: Are the BR1C4AC and 2477850000 electrically interchangeable? A: Yes. Both are single-pole, 4A thermal magnetic circuit breakers with identical current ratings and compatible voltage specifications (277V AC / 60V DC).

Q: What is the difference in packaging between these parts? A: The BR1C4AC packaging is listed as standard (-), while the 2477850000 is supplied in bulk packaging. Both are suitable for DIN Rail mounting applications.

Q: Does the substitute meet the same regulatory standards? A: The 2477850000 carries comprehensive international certifications including UL489, CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, and VDE, meeting or exceeding the regulatory requirements of the original part.

Q: Is the substitute RoHS compliant? A: Yes. The 2477850000 is RoHS compliant, meeting current environmental regulations for electronic components.

Q: Can I use the 2477850000 as a direct replacement in existing installations? A: Yes. The identical pole count, current rating, voltage specifications, and DIN Rail mounting make the 2477850000 a direct functional replacement for the BR1C4AC.