BR2D10AC Equivalent & Substitute Parts

Part Overview

The BR2D10AC is a 2-pole branch circuit breaker with D-curve characteristic and 10A current rating, manufactured by Weidmüller. This product is classified as obsolete, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and component procurement.

The BR2D10AC serves as a thermal-magnetic protection device for AC/DC applications. Due to its obsolete status, the 2478890000 has been identified as a direct functional substitute within the Weidmüller product portfolio.

Substiute Parts

BR2D10AC

WeidmüllerIn Stock: 1122BR2D10AC Datasheet

Current PartRFQ

2478890000

WeidmüllerIn Stock: 9432478890000 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the BR2D10AC with the 2478890000 is based on alignment of the following critical electrical and mechanical parameters:

• Current Rating: Both devices are rated for 10A operation
• Number of Poles: Both are 2-pole configurations
• Breaker Type: Both employ thermal-magnetic protection principles
• Voltage Ratings: The substitute supports 480V AC and 125V DC, encompassing typical application ranges
• Actuator Type: Both utilize lever-based actuation
• Mounting: The substitute is DIN Rail mounted, a standard industrial form factor
• Regulatory Compliance: Both carry equivalent safety certifications (CE, UL489, VDE, TUV, CSA)
• Environmental Classification: Both maintain MSL 1 (Unlimited) rating

Parameter Comparison

Engineering Selection Recommendations

The 2478890000 (MCB 489 series) is the designated substitute for the obsolete BR2D10AC based on:

• Identical current rating and pole configuration
• Equivalent thermal-magnetic protection mechanism
• Active product status with ongoing manufacturer support
• Comprehensive regulatory approvals including CE, UL489, VDE, TUV, and CSA C22.2 certifications
• RoHS compliance status, meeting modern environmental standards
• Bulk packaging availability with confirmed inventory

Selection of the 2478890000 ensures continuity of circuit protection functionality while transitioning from an obsolete component to an actively supported alternative.

Frequently Asked Questions (FAQ)

Q: What makes the 2478890000 a suitable substitute for the BR2D10AC?

A: Both devices share identical current ratings (10A), pole configuration (2-pole), and thermal-magnetic protection principles. The substitute is an active product with equivalent safety certifications and environmental classifications.

Q: Are there any electrical parameter differences between these devices?

A: The BR2D10AC specifications do not include explicit voltage ratings in the provided data. The 2478890000 is rated for 480V AC and 125V DC operation. Verification of application voltage requirements is necessary during component selection.

Q: What is the packaging difference between these parts?

A: The BR2D10AC packaging is listed as standard (-). The 2478890000 is supplied in bulk packaging format.

Q: Does the substitute meet current regulatory requirements?

A: Yes. The 2478890000 carries CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, and VDE approvals. Additionally, it is RoHS compliant, meeting modern environmental standards.

Q: Is the mounting configuration compatible?

A: The 2478890000 is specified as DIN Rail mounted. Confirmation of mounting compatibility with existing system infrastructure is required during integration planning.