Weidmüller MCB 489 2P 63A ACDC Circuit Breaker - Equivalent & Substitute Parts

Part Overview

The Weidmüller MCB 489 2P 63A ACDC (Manufacturer Part Number: 2478280000) is a thermal magnetic circuit breaker designed for DIN rail mounting. This device provides overcurrent protection in AC and DC applications with a 63-ampere current rating and dual-pole configuration. The breaker operates at 240 V AC and 125 V DC, utilizing a lever-actuated mechanism for manual operation and reset functionality. This product is actively manufactured and maintains full compliance with international safety standards. Substitute parts are identified when equivalent electrical and mechanical parameters are maintained across the product line, ensuring continuity of supply and operational compatibility in existing installations.

Substiute Parts

2478280000

WeidmüllerIn Stock: 7172478280000 Datasheet

Current PartRFQ

2479020000

WeidmüllerIn Stock: 8102479020000 Datasheet

Parametric EquivalentRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts within the MCB 489 series are identified based on strict equivalence of the following critical parameters:

• Current Rating: 63A (identical)
• Voltage Rating - AC: 240 V (identical)
• Voltage Rating - DC: 125 V (identical)
• Number of Poles: 2 (identical)
• Breaker Type: Thermal Magnetic (identical)
• Mounting Type: DIN Rail (identical)
• Actuator Type: Lever (identical)
• Series: MCB 489 (identical)

The substitute part 2479020000 maintains all electrical and mechanical parameters required for direct substitution. The only distinction between the main part and its substitute is the base product number designation (BR2C6 versus BR2D6), which reflects internal product line categorization but does not affect functional performance or compatibility in circuit protection applications.

Parameter Comparison

Engineering Selection Recommendations

Both the main part (2478280000) and substitute part (2479020000) are active products manufactured by Weidmüller and carry identical certifications across all major regulatory bodies: CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, and VDE. Both parts maintain RoHS compliance and are packaged in bulk format for industrial distribution.

Selection between these parts should be based on availability and inventory status. The main part number 2478280000 currently maintains 673 pieces in stock, while the substitute 2479020000 maintains 731 pieces in stock. Both parts are suitable for immediate deployment in applications requiring 63-ampere thermal magnetic circuit protection at 240 V AC / 125 V DC with DIN rail mounting.

Frequently Asked Questions (FAQ)

Q: Can part 2479020000 be used as a direct replacement for 2478280000?

A: Yes. Both parts are identical in all electrical and mechanical parameters: 63A current rating, 240 V AC / 125 V DC voltage ratings, 2-pole configuration, thermal magnetic operation, lever actuation, and DIN rail mounting. Both carry the same regulatory certifications and RoHS compliance status.

Q: What is the difference between the base product numbers BR2C6 and BR2D6?

A: The base product number designation reflects internal Weidmüller product line categorization and does not affect functional performance, compatibility, or electrical characteristics. Both designations refer to identical 2-pole, 63-ampere MCB 489 series breakers.

Q: Are both parts suitable for AC and DC applications?

A: Yes. Both parts are rated for 240 V AC and 125 V DC operation, making them suitable for mixed AC/DC circuit protection applications.

Q: What certifications apply to both substitute parts?

A: Both parts carry certification from CE, CSA C22.2 No 5, CSA C22.2 No 235, TUV, UL489, and VDE. These certifications confirm compliance with North American, European, and international safety standards for circuit protection devices.

Q: Are both parts RoHS compliant?

A: Yes. Both 2478280000 and 2479020000 are RoHS compliant, meeting environmental and material restriction requirements for industrial electrical components.