C&K 7401SCWCKE Toggle Switch 4PDT Equivalent & Substitute Parts

Part Overview

The C&K 7401SCWCKE is a 4PDT toggle switch rated for 0.4VA at 20V with panel mount configuration and IP67 ingress protection. This part is classified as obsolete, making equivalent and substitute parts necessary for ongoing system support and new designs. The 7401 series provides a proven switching solution with epoxy sealed terminals suitable for harsh environments.

Substiute Parts

7401SCWCKE

C&KIn Stock: 11937401SCWCKE Datasheet

Current PartRFQ

7401SCWCPE

C&KIn Stock: 9187401SCWCPE Datasheet

DirectRFQ

1004P1T6B11M2QE

E-SwitchIn Stock: 8421004P1T6B11M2QE Datasheet

SimilarRFQ

1004P1T6B11M2QEH

E-SwitchIn Stock: 11801004P1T6B11M2QEH Datasheet

SimilarRFQ

34A4P11B1M2GT

Grayhill Inc.In Stock: 117234A4P11B1M2GT Datasheet

SimilarRFQ

34A4P11B1M2QT

Grayhill Inc.In Stock: 88534A4P11B1M2QT Datasheet

SimilarRFQ

34A4P11B1M2RT

Grayhill Inc.In Stock: 84834A4P11B1M2RT Datasheet

SimilarRFQ

34A4P11B3M2RT

Grayhill Inc.In Stock: 123334A4P11B3M2RT Datasheet

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34A4P11B6M2GT

Grayhill Inc.In Stock: 81034A4P11B6M2GT Datasheet

SimilarRFQ

A423S1HCQ

ElectroswitchIn Stock: 902A423S1HCQ Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution for the 7401SCWCKE is determined by the following critical parameters:

Mechanical Compatibility:

• Panel cutout dimensions (Circular - 6.35mm Dia)
• Bushing thread (1/4-40)
• Mounting type (Panel Mount)
• Termination style (PC Pin)

Electrical Compatibility:

• Circuit configuration (4PDT)
• Switch function (On-On)
• Operating temperature range (-30°C to 85°C minimum)

Performance Considerations:

• Current and voltage ratings must meet or exceed application requirements
• Ingress protection level (IP67 preferred for sealed environments)

Substitute parts are grouped into two categories:

Direct Equivalent: Parts with identical electrical ratings (0.4VA at 20V) and mechanical form factor, representing drop-in replacements.

Higher-Rated Alternatives: Parts with enhanced current/voltage ratings (5A at 120-125V) that maintain mechanical compatibility and can be used in applications where the original 0.4VA rating is sufficient but higher capacity is available.

Parameter Comparison

Engineering Selection Recommendations

Primary Recommendation - Direct Equivalent:

The C&K 7401SCWCPE is the preferred direct replacement for the obsolete 7401SCWCKE. Both parts share identical electrical specifications (0.4VA at 20V), mechanical form factor, and panel mounting configuration. The 7401SCWCPE is currently in active production status with RoHS compliance, ensuring long-term availability and regulatory alignment.

Secondary Recommendations - Same Rating, Alternative Manufacturers:

The Grayhill Inc. 34A4P11B1M2RT and 34A4P11B3M2RT provide equivalent electrical performance (0.4VA at 20V) with identical mechanical compatibility. Both are active products with RoHS compliance. The 34A4P11B3M2RT offers ROHS3 compliance. These parts maintain the same panel cutout and bushing thread specifications, enabling direct mechanical substitution.

Higher-Capacity Alternatives:

For applications where the 0.4VA rating is conservative and higher capacity is beneficial, the following parts provide enhanced electrical ratings while maintaining mechanical compatibility:

• E-Switch 1004P1T6B11M2QE and 1004P1T6B11M2QEH (5A at 120V AC, 28V DC)
• Grayhill Inc. 34A4P11B1M2GT, 34A4P11B1M2QT, and 34A4P11B6M2GT (5A at 125V AC, 28V DC)

All higher-capacity alternatives maintain the circular 6.35mm panel cutout and 1/4-40 bushing thread, ensuring mechanical fit. These parts are active products with current RoHS compliance.

Consideration - Electroswitch A423S1HCQ:

The Electroswitch A423S1HCQ provides 6A at 125V with enhanced electrical life (60,000 cycles). However, panel cutout dimensions are not specified in available data. Mechanical compatibility must be confirmed before selection.

Frequently Asked Questions (FAQ)

Q: Can I use a higher-rated switch (5A or 6A) as a direct replacement for the 0.4VA 7401SCWCKE?

A: Yes, if the application circuit and panel mounting configuration are compatible. Higher-rated switches can be used in lower-power applications. However, the panel cutout dimensions must match. The E-Switch and Grayhill alternatives with 5A ratings maintain the same 6.35mm circular cutout and 1/4-40 bushing thread as the original part.

Q: What is the difference between the C&K 7401SCWCPE and the original 7401SCWCKE?

A: Both parts have identical electrical ratings (0.4VA at 20V) and mechanical specifications. The primary difference is product status: the 7401SCWCKE is obsolete while the 7401SCWCPE is in active production. The 7401SCWCPE is the direct replacement.

Q: Are all substitute parts RoHS compliant?

A: All listed substitute parts meet RoHS requirements. The 7401SCWCPE, 34A4P11B3M2RT, 1004P1T6B11M2QE, 1004P1T6B11M2QEH, 34A4P11B1M2GT, and 34A4P11B6M2GT carry ROHS3 compliance. The 34A4P11B1M2RT, 34A4P11B1M2QT, 7401SCWCPE, and A423S1HCQ carry RoHS compliance.

Q: What are the key mechanical parameters that determine substitutability?

A: Panel cutout dimensions (Circular - 6.35mm Dia), bushing thread (1/4-40), termination style (PC Pin), and mounting type (Panel Mount) are the critical mechanical parameters. All listed substitutes maintain these specifications except the Electroswitch A423S1HCQ, which has unspecified panel cutout dimensions.

Q: Can I use the Grayhill 34A4P11B1M2RT in place of the 7401SCWCKE?

A: Yes. The 34A4P11B1M2RT provides identical electrical ratings (0.4VA at 20V) and maintains all mechanical compatibility parameters. It is an active product with RoHS compliance. The primary consideration is that electrical life is rated at 40,000 cycles compared to the original 100,000 cycles.

Q: What is the difference between the E-Switch 1004P1T6B11M2QE and 1004P1T6B11M2QEH?

A: Both parts are electrically and mechanically identical (5A at 120V AC, 28V DC). The designation difference reflects packaging or configuration variants. Both are active products with ROHS3 compliance and identical electrical life (40,000 cycles).

Q: Should I consider the Electroswitch A423S1HCQ as a substitute?

A: The Electroswitch A423S1HCQ offers higher current capacity (6A) and extended electrical life (60,000 cycles). However, panel cutout dimensions are not specified in available documentation. Mechanical compatibility with your panel mounting configuration must be confirmed before selection.