SCHURTER 6653.3300 AC Power Connector - Equivalent & Substitute Parts

Part Overview

The SCHURTER 6653.3300 is a power entry connector receptacle designed for IEC 320-2-2/J applications. This female socket connector features panel mount flange installation with quick connect termination rated for 16A at 250VAC. The product is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations where this connector type is specified.

Substiute Parts

6653.3300

SCHURTER Inc.In Stock: 7636653.3300 Datasheet

Current PartRFQ

743W-00/03

QualtekIn Stock: 11818743W-00/03 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the SCHURTER 6653.3300 is determined by strict equivalence across the following critical parameters:

• Connector style and type (IEC 320-2-2/J receptacle, female sockets)
• Electrical ratings (16A, 250VAC, 3-position)
• Mechanical interface (panel mount flange, quick connect 0.250" termination)
• Panel cutout compatibility (rectangular opening dimensions)
• Regulatory compliance (UL, CSA, or equivalent certifications)

The Qualtek 743W-00/03 meets these substitution criteria. Both connectors share identical connector style, electrical ratings, mounting configuration, and termination type. Panel cutout dimensions are within acceptable tolerance (37.60mm vs 37.80mm width; 29.50mm vs 29.30mm height), permitting direct mechanical substitution in existing panel designs.

Parameter Comparison

Engineering Selection Recommendations

The Qualtek 743W-00/03 is the primary substitute for the obsolete SCHURTER 6653.3300. Selection is based on the following factors:

Product Status: The Qualtek 743W-00/03 maintains active product status with 11,711 units in stock, ensuring long-term availability compared to the obsolete SCHURTER part.

Regulatory Compliance: Both connectors hold equivalent certifications (SCHURTER: CCC, CSA, ENEC, UL; Qualtek: cUL, TUV, UL). The Qualtek part carries cUL and TUV certifications, providing additional regional compliance coverage.

Environmental Standards: Both parts are ROHS3 compliant and REACH unaffected, meeting current environmental regulations.

Mechanical Compatibility: Panel cutout dimensions differ by 0.20mm in width and 0.20mm in height. These tolerances fall within standard panel fabrication tolerances and do not preclude direct substitution in existing designs.

Frequently Asked Questions (FAQ)

Q: Can the Qualtek 743W-00/03 directly replace the SCHURTER 6653.3300 in existing equipment?

A: Yes. Both connectors share identical IEC 320-2-2/J connector style, 16A/250VAC electrical ratings, 3-position configuration, panel mount flange mounting, and 0.250" quick connect termination. Panel cutout dimensions are within acceptable tolerance for direct mechanical substitution.

Q: What are the key differences between these two connectors?

A: The primary differences are product status (SCHURTER is obsolete; Qualtek is active), manufacturer certifications (SCHURTER includes CCC and ENEC; Qualtek includes TUV), and minor panel cutout dimension variations (0.20mm tolerance). Electrical and functional performance are equivalent.

Q: Are there any compatibility concerns with the panel cutout dimensions?

A: Panel cutout dimensions differ by 0.20mm in each axis. Standard panel fabrication tolerances typically accommodate ±0.5mm variations, making these differences negligible for practical applications. Existing panel openings designed for the SCHURTER part will accommodate the Qualtek substitute.

Q: What certifications apply to the Qualtek 743W-00/03?

A: The Qualtek 743W-00/03 holds cUL, TUV, and UL certifications. These certifications cover North American (UL, cUL) and European (TUV) markets, providing broader regional compliance than the SCHURTER part alone.

Q: Is the Qualtek part available in the same packaging as the SCHURTER?

A: The Qualtek 743W-00/03 is supplied in bulk packaging, whereas SCHURTER packaging information is not specified. Bulk packaging is standard for this connector category and does not affect functional compatibility.