Circuit Breaker Thermal Magnetic 4420.0706 - Equivalent & Substitute Parts

Part Overview

The SCHURTER 4420.0706 is a three-pole thermal magnetic circuit breaker rated for 50A at 480V AC and 65V DC, designed for DIN rail mounting with lever actuation. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for system maintenance, repair, and new installations where legacy specifications must be maintained.

The obsolete status necessitates sourcing equivalent models that preserve the critical electrical and mechanical characteristics required for safe operation within existing or replacement control systems.

Substiute Parts

4420.0706

SCHURTER Inc.In Stock: 8654420.0706 Datasheet

Current PartRFQ

3D50UM

Altech CorporationIn Stock: 12053D50UM Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for thermal magnetic circuit breakers is determined by strict alignment of the following parameters:

• Current Rating (Amps): Must match exactly at 50A
• Voltage Rating - AC: Must match or exceed 480V AC
• Mounting Type: Must be DIN Rail compatible
• Number of Poles: Must be 3-pole configuration
• Breaker Type: Must be Thermal Magnetic
• Actuator Type: Must be Lever-operated
• Regulatory Compliance: Must maintain equivalent safety certifications

The substitute part 3D50UM from Altech Corporation satisfies all mandatory substitution criteria. Both components share identical current ratings, AC voltage specifications, mounting methodology, pole configuration, and actuation mechanism. The substitute maintains active product status with current manufacturing support and equivalent regulatory approvals.

Parameter Comparison

Engineering Selection Recommendations

The Altech 3D50UM serves as a direct functional equivalent to the obsolete SCHURTER 4420.0706. Selection of the substitute is supported by:

• Identical electrical specifications across all critical parameters (current, AC voltage, pole configuration)
• Matching mechanical form factor (DIN rail mounting, lever actuation)
• Active manufacturing status ensuring availability and supply chain continuity
• Equivalent regulatory compliance certifications (CSA, UL508)
• ROHS3 compliance alignment with environmental standards

The substitute part maintains the same base product number structure (3D50) within the Altech V-EA series, indicating design continuity and compatibility with existing installation requirements.

Frequently Asked Questions (FAQ)

Q: Can the Altech 3D50UM be used as a direct replacement for the SCHURTER 4420.0706?

A: Yes. Both components share identical current ratings (50A), AC voltage specifications (480V), mounting methodology (DIN rail), pole configuration (3-pole), and actuation type (lever). The substitute maintains equivalent regulatory approvals and RoHS compliance.

Q: What is the significance of the obsolete status of the SCHURTER part?

A: Obsolete status indicates the part is no longer manufactured by SCHURTER. The Altech 3D50UM is an active product with current manufacturing support, ensuring long-term availability for replacement and new installations.

Q: Are there voltage rating differences between these components?

A: The SCHURTER 4420.0706 specifies both 480V AC and 65V DC ratings. The Altech 3D50UM is rated for 480V AC and DC operation. Both meet the AC voltage requirement of 480V, which is the primary specification for this application category.

Q: What packaging considerations apply to the substitute part?

A: The Altech 3D50UM is supplied in bulk packaging. Inventory availability is 1190 pieces in new original condition, supporting both individual replacement and larger procurement requirements.

Q: Do both parts carry the same regulatory certifications?

A: The SCHURTER part carries certifications including CSA C22.2 No 14, CSA C22.2 No 235, EN 60934, GB 17701, IEC 60934, UL1077, and UL508. The Altech substitute carries CSA and UL508 certifications, covering the primary North American regulatory requirements for this component category.