7401SH3CME Toggle Switch 4PDT 5A 120V Equivalent & Substitute Parts

Part Overview

The 7401SH3CME is a 4PDT toggle switch manufactured by C&K, rated for 5A at 120V AC with panel mount configuration. This component is classified as obsolete, making equivalent and substitute parts necessary for ongoing system maintenance and new design implementations. The switch features epoxy sealed terminals, brass chrome-plated actuator, and operates across -30°C to 85°C temperature range with 100,000 electrical cycle life.

Key Parameters

Parameter	Value
Manufacturer Part Number	7401SH3CME
Manufacturer	C&K
Circuit Configuration	4PDT (Four Pole Double Throw)
Switch Function	On-On
Current Rating	5A AC/DC
Voltage Rating - AC	120V
Voltage Rating - DC	28V
Mounting Type	Panel Mount
Termination Style	PC Pin
Panel Cutout Dimensions	Circular - 6.35mm Dia
Bushing Thread	1/4-40
Operating Temperature Range	-30°C to 85°C
Electrical Life	100,000 Cycles
RoHS Status	ROHS3 Compliant
Product Status	Obsolete

Substitute Part Grouping Explanation

Substitution eligibility is determined by strict alignment with the following critical parameters:

Mandatory Compatibility Parameters:

Circuit configuration: 4PDT
Switch function: On-On
Current rating: 5A AC/DC minimum
Voltage rating - AC: 120V minimum
Voltage rating - DC: 28V minimum
Mounting type: Panel Mount
Termination style: PC Pin
Panel cutout dimensions: Circular - 6.35mm Dia
Bushing thread: 1/4-40
Operating temperature range: -30°C to 85°C minimum

Substitute parts are grouped into two categories:

Direct Equivalent (Active Status): 7401SH3CSE from C&K maintains identical electrical and mechanical specifications with active product status, differing only in RoHS certification level and REACH status.

Similar Substitutes (Functional Equivalents): Parts from E-Switch (1004P1T6B11M2QE, 1004P1T6B11M2QEH) and Grayhill Inc. (34A4P11B1M2GT, 34A4P11B6M2GT) meet all mandatory electrical and mechanical parameters while maintaining panel mount compatibility. These alternatives provide active product status and current manufacturing support.

Non-Compatible Parts: 34A4P11B1M2RT, 34A4P11B3M2RT, and A423S1HCQ, A423S1YCQ do not meet minimum current or voltage requirements and are excluded from substitution consideration.

Parameter Comparison

Part Number	Manufacturer	Circuit	Current Rating	Voltage AC	Voltage DC	Actuator Type	Actuator Length (mm)	Panel Cutout	Bushing Thread	Electrical Life	Operating Temp	Product Status	RoHS Status
7401SH3CME	C&K	4PDT	5A AC/DC	120V	28V	Standard Round	10.16	Circular - 6.35mm Dia	1/4-40	100,000	-30°C to 85°C	Obsolete	ROHS3
7401SH3CSE	C&K	4PDT	5A AC/DC	120V	28V	Standard Round	10.16	Circular - 6.35mm Dia	1/4-40	100,000	-30°C to 85°C	Active	RoHS
1004P1T6B11M2QE	E-Switch	4PDT	5A AC/DC	120V	28V	Flat Anti-Rotation	12.30	Circular - 6.35mm Dia	1/4-40	40,000	-30°C to 85°C	Active	ROHS3
1004P1T6B11M2QEH	E-Switch	4PDT	5A AC/DC	120V	28V	Flat Anti-Rotation	12.30	Circular - 6.35mm Dia	1/4-40	40,000	-30°C to 85°C	Active	ROHS3
34A4P11B1M2GT	Grayhill Inc.	4PDT	5A AC/DC	125V	28V	Standard Round	10.41	Circular - 6.35mm Dia	1/4-40	40,000	-30°C to 85°C	Active	ROHS3
34A4P11B6M2GT	Grayhill Inc.	4PDT	5A AC/DC	125V	28V	Standard Round	9.90	Circular - 6.35mm Dia	1/4-40	40,000	-30°C to 85°C	Active	ROHS3
34A4P11B1M2QT	Grayhill Inc.	4PDT	5A AC/DC	125V	28V	Standard Round	10.41	Circular - 6.35mm Dia	1/4-40	40,000	-30°C to 85°C	Active	RoHS

Engineering Selection Recommendations

Primary Recommendation: 7401SH3CSE (C&K)

The 7401SH3CSE provides direct equivalence to the obsolete 7401SH3CME with identical electrical specifications, mechanical dimensions, and actuator characteristics. This part maintains the same 100,000 electrical cycle life and operates within the identical temperature range. Active product status ensures ongoing availability and manufacturing support. Selection of this direct equivalent eliminates design modification requirements.

Secondary Recommendations: Grayhill Inc. 34A Series (34A4P11B1M2GT, 34A4P11B6M2GT, 34A4P11B1M2QT)

These parts meet all mandatory electrical and mechanical parameters with 5A AC/DC current rating and 125V AC voltage rating, exceeding the 120V requirement. Panel mount configuration, PC pin termination, and 1/4-40 bushing thread maintain mechanical compatibility. Actuator length variations (9.90mm to 10.41mm) remain within acceptable panel mount tolerances. Active product status and ROHS3 compliance support long-term supply chain stability. Electrical life of 40,000 cycles is lower than the original specification but remains suitable for standard industrial applications.

Tertiary Recommendations: E-Switch 1004P1 Series (1004P1T6B11M2QE, 1004P1T6B11M2QEH)

These parts satisfy all mandatory electrical and mechanical requirements with identical 5A AC/DC and 120V AC ratings. Flat anti-rotation actuator design provides enhanced mechanical stability compared to standard round actuators. Active product status and ROHS3 compliance ensure manufacturing continuity. Increased actuator length (12.30mm) requires panel cutout clearance verification. Electrical life of 40,000 cycles is lower than original specification.

Compliance Considerations:

All recommended substitutes maintain ROHS3 compliance or equivalent RoHS certification. Panel cutout dimensions remain standardized at circular 6.35mm diameter across all alternatives, supporting direct mechanical interchange without panel modification.

Frequently Asked Questions (FAQ)

Q: Can 7401SH3CSE directly replace 7401SH3CME without design modification?

A: Yes. The 7401SH3CSE is a direct equivalent with identical electrical ratings (5A, 120V AC, 28V DC), mechanical dimensions, and panel mount configuration. No design changes are required.

Q: What is the primary difference between the main part and substitute options?

A: The 7401SH3CME is obsolete. The 7401SH3CSE provides direct replacement with active manufacturing status. Grayhill and E-Switch alternatives offer functional equivalence with active product status but feature different actuator designs and lower electrical cycle life (40,000 vs. 100,000 cycles).

Q: Are Grayhill parts compatible with existing panel cutouts designed for the 7401SH3CME?

A: Yes. All Grayhill substitute parts maintain the identical circular 6.35mm diameter panel cutout and 1/4-40 bushing thread specification, ensuring mechanical compatibility without panel modification.

Q: What is the significance of actuator length differences between substitute parts?

A: Actuator length variations (9.90mm to 12.30mm) affect operator feel and panel clearance. Verify available panel depth and operator accessibility requirements. All listed lengths remain within standard panel mount tolerances.

Q: Do E-Switch parts require different panel modifications?

A: No. E-Switch 1004P1 series maintains the same circular 6.35mm panel cutout and 1/4-40 bushing thread. Increased actuator length (12.30mm) requires verification of available panel depth but does not necessitate cutout modification.

Q: Which substitute part offers the longest electrical life?

A: The 7401SH3CSE maintains the original 100,000 cycle electrical life specification. Grayhill and E-Switch alternatives provide 40,000 cycles, suitable for standard industrial switching applications with lower cycle frequency requirements.

Q: Are all substitute parts RoHS compliant?

A: Yes. All recommended substitutes maintain ROHS3 compliance or equivalent RoHS certification, meeting current environmental and regulatory requirements.

Q: Can multiple substitute parts be used interchangeably within the same system?

A: Yes, provided all parts meet the system's electrical requirements (5A minimum, 120V AC minimum). Mechanical compatibility is maintained across all alternatives due to standardized panel cutout and bushing thread specifications. Verify actuator length clearance for each installation location.

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