Circuit Breaker Thermal Magnetic 1DU6L - Equivalent & Substitute Parts

Part Overview

The 1DU6L is a thermal magnetic circuit breaker manufactured by Altech Corporation, designed for DIN rail mounting applications. This single-pole breaker provides 6A current protection at 277V AC and 125V DC, utilizing a lever actuator mechanism. The product is classified as obsolete, necessitating identification of active equivalent alternatives for continued system support and component procurement.

Substiute Parts

1DU6L

Altech CorporationIn Stock: 10921DU6L Datasheet

Current PartRFQ

1D6UL

Altech CorporationIn Stock: 7241D6UL Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 1DU6L is determined by strict equivalence across the following critical parameters:

• Current Rating: 6A (exact match required)
• Voltage Rating - AC: 277V (exact match required)
• Breaker Type: Thermal Magnetic (exact match required)
• Mounting Type: DIN Rail (exact match required)
• Number of Poles: 1 (exact match required)
• Actuator Type: Lever (exact match required)
• Approval Agencies: CE, cULus, UL489 (minimum compliance required)

The 1D6UL meets all substitution criteria as an active product within the Altech Corporation product line, maintaining identical electrical and mechanical specifications while offering current availability.

Parameter Comparison

Engineering Selection Recommendations

The 1D6UL is the qualified substitute for the obsolete 1DU6L. Both components maintain identical electrical ratings (6A, 277V AC), mechanical configuration (single-pole, lever-actuated, DIN rail mount), and regulatory compliance (CE, cULus, UL489). The 1D6UL is currently in active production status with confirmed inventory availability (686 pcs), whereas the 1DU6L is obsolete. Both components are ROHS3 compliant and carry the same ECCN and HTSUS classifications, confirming functional and regulatory equivalence. Selection of the 1D6UL ensures continued access to this circuit breaker specification with current manufacturing support.

Frequently Asked Questions (FAQ)

Q: Can the 1D6UL directly replace the 1DU6L in existing installations?

A: Yes. Both components share identical current ratings (6A), AC voltage rating (277V), breaker type (thermal magnetic), mounting configuration (DIN rail), pole count (1), actuator type (lever), and regulatory approvals (CE, cULus, UL489). Physical and electrical compatibility is confirmed.

Q: What is the primary reason for substitution?

A: The 1DU6L is classified as obsolete. The 1D6UL is the active equivalent from Altech Corporation, ensuring continued component availability and manufacturing support.

Q: Are there packaging differences between these parts?

A: The 1DU6L is specified with "-" packaging notation, while the 1D6UL is supplied in bulk packaging. Packaging format does not affect electrical or mechanical performance.

Q: Do both components meet the same regulatory standards?

A: Yes. Both the 1DU6L and 1D6UL carry identical approval agency certifications: CE, cULus, and UL489. Both are ROHS3 compliant.

Q: Is DC voltage rating specified for the 1D6UL?

A: The 1D6UL technical data does not specify a DC voltage rating, whereas the 1DU6L is rated for 125V DC. Confirm DC application requirements with the manufacturer if DC operation is required.