U11SY4ZGE Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The C&K U11SY4ZGE is an active-status toggle switch with SPDT (Single Pole Double Throw) configuration rated for 5A at 120V AC and 28V DC. This panel-mount switch features a standard round actuator, solder lug termination, and epoxy-sealed terminals suitable for industrial control applications. Substitute parts are identified based on matching electrical ratings, mechanical compatibility, and functional equivalence within the toggle switch SPDT category.

Substiute Parts

U11SY4ZGE

C&KIn Stock: 718U11SY4ZGE Datasheet

Current PartRFQ

100AWSP1T1B1M1QEH

E-SwitchIn Stock: 1931100AWSP1T1B1M1QEH Datasheet

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100SP1T6B11M1QEH

E-SwitchIn Stock: 1375100SP1T6B11M1QEH Datasheet

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100SP1T6B11M1REH

E-SwitchIn Stock: 1118100SP1T6B11M1REH Datasheet

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M2012ES1W01/CUL

NKK SwitchesIn Stock: 1007M2012ES1W01/CUL Datasheet

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M2012SS1W01

NKK SwitchesIn Stock: 707M2012SS1W01 Datasheet

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M2012SS1W01/CUL

NKK SwitchesIn Stock: 1199M2012SS1W01/CUL Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

• Circuit Configuration: Must be SPDT (Single Pole Double Throw)
• Switch Function: Must be On-On
• Current Rating: Must support minimum 5A (AC/DC)
• Voltage Rating - AC: Must support minimum 120V
• Voltage Rating - DC: Must support minimum 28V
• Mounting Type: Must be Panel Mount
• Panel Cutout Dimensions: Must be Circular 6.35mm Dia or compatible
• Bushing Thread: Must be 1/4-40
• Termination Style: Must be Solder Lug
• Operating Temperature Range: Must encompass -30°C to 85°C

Substitute parts are grouped into two categories based on electrical performance alignment with the main part specifications.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (Active Status)

The E-Switch 100AWSP1T1B1M1QEH and 100SP1T6B11M1QEH are active-status alternatives that meet or exceed the electrical specifications of the U11SY4ZGE. Both maintain SPDT On-On configuration, 5A current rating at 120V AC and 28V DC, panel mount compatibility with 1/4-40 bushing thread, and solder lug termination. The 100AWSP1T1B1M1QEH provides IP67 ingress protection and operates within the same temperature range. The 100SP1T6B11M1QEH features a flat anti-rotation actuator with extended length (12.30mm versus 10.67mm), which may require panel layout verification. Both parts are ROHS3 compliant and carry unlimited moisture sensitivity rating.

Secondary Substitute (Lower Electrical Rating)

The E-Switch 100SP1T6B11M1REH is electrically limited to 0.4VA at 20V AC/DC and is suitable only for low-power signal switching applications. This part does not meet the 5A/120V AC specification of the main part and is not recommended for equivalent substitution in standard industrial control circuits.

Obsolete Alternatives (NKK Switches)

The NKK M2012ES1W01/CUL and M2012SS1W01/CUL are obsolete-status parts with higher current ratings (6A AC, 4A DC) and voltage ratings (125V AC, 30V DC) that exceed the main part specifications. Panel cutout dimensions are 6.50mm Dia, requiring minor panel modification. Electrical life is reduced to 25,000 cycles. These parts are ROHS3 compliant but carry obsolete product status, limiting long-term availability and supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can the E-Switch 100AWSP1T1B1M1QEH directly replace the C&K U11SY4ZGE?

A: Yes. Both parts share identical electrical ratings (5A at 120V AC and 28V DC), SPDT On-On configuration, panel mount design with 1/4-40 bushing thread, and solder lug termination. The 100AWSP1T1B1M1QEH includes IP67 ingress protection as an additional feature. Actuator length differs by 0.26mm (10.41mm versus 10.67mm), which is within typical mechanical tolerance for panel-mount switches.

Q: What is the significance of the panel cutout dimension difference between 6.35mm and 6.50mm?

A: The 0.15mm difference represents a minor mechanical variation. Panels drilled for 6.35mm cutout will accommodate 6.50mm bushing diameter with minimal clearance. Panels drilled for 6.50mm will provide loose fit for 6.35mm bushing. Panel modification or bushing adapter may be required for precise fit in existing installations.

Q: Why is the E-Switch 100SP1T6B11M1REH listed as a substitute if it has lower electrical ratings?

A: The 100SP1T6B11M1REH is listed in the original substitute data but does not meet the electrical requirements of the main part. It is suitable only for low-voltage, low-current signal applications and is not recommended for equivalent substitution in circuits requiring 5A at 120V AC.

Q: Are the NKK Switches M2012 series parts suitable replacements?

A: The NKK M2012ES1W01/CUL and M2012SS1W01/CUL exceed the electrical specifications of the U11SY4ZGE but carry obsolete product status. Obsolete designation indicates discontinued manufacturing and limited future availability. These parts are suitable only when existing inventory is available and long-term supply is not a requirement.

Q: How do electrical life ratings affect part selection?

A: The U11SY4ZGE provides 100,000 electrical cycles, while active E-Switch alternatives provide 30,000 to 40,000 cycles, and obsolete NKK parts provide 25,000 cycles. Lower cycle ratings indicate reduced operational life in high-frequency switching applications. Selection should account for expected duty cycle and maintenance intervals.

Q: What compliance certifications are relevant for substitution?

A: All listed parts are ROHS3 compliant and carry unlimited moisture sensitivity rating (MSL 1). All parts are classified under ECCN EAR99 and HTSUS 8536.50.9065. Compliance status is equivalent across all substitute options.