GPTCNH11 Equivalent & Substitute Parts

Part Overview

The GPTCNH11 is a snap action SPDT switch manufactured by ZF Electronics, designed for panel mount applications with 15A AC at 125V rating. This switch features an overtravel plunger actuator with screw terminal connections and is classified as Active status. The GPTCNH11 operates across a temperature range of 0°C to 55°C with 20,000,000 mechanical life cycles and is RoHS3 compliant.

Substitute parts are identified when equivalent electrical ratings, circuit configurations, and mechanical mounting specifications align with the main part's functional requirements, enabling direct replacement in applications where the primary part is unavailable or when design flexibility permits alternative manufacturers.

Substiute Parts

GPTCNH11

ZF ElectronicsIn Stock: 1119GPTCNH11 Datasheet

Current PartRFQ

BZ-2RQ124-A2

Honeywell Sensing and Productivity SolutionsIn Stock: 1013BZ-2RQ124-A2 Datasheet

SimilarRFQ

BZ-2RQ77

Honeywell Sensing and Productivity SolutionsIn Stock: 1265BZ-2RQ77 Datasheet

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BZ-3YQ66T

Honeywell Sensing and Productivity SolutionsIn Stock: 770BZ-3YQ66T Datasheet

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BZ-7RQ1T

Honeywell Sensing and Productivity SolutionsIn Stock: 1173BZ-7RQ1T Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the GPTCNH11 are grouped based on strict alignment with the following critical parameters:

Primary Substitution Criteria:

• Circuit configuration: SPDT
• Switch function: On-Mom
• Current rating: 15A AC minimum
• Voltage rating: 125V AC minimum
• Actuator type: Overtravel Plunger
• Mounting type: Panel Mount
• Termination style: Screw Terminal
• Mechanical life: 20,000,000 cycles

Full Equivalents (Direct Substitutes): Parts BZ-2RQ124-A2, BZ-2RQ77, and BZ-7RQ1T meet all primary substitution criteria. These Honeywell Sensing and Productivity Solutions parts maintain identical circuit configuration, switch function, current and voltage ratings, actuator type, mounting configuration, and termination style. All three are Active status products with RoHS compliance and equivalent mechanical life specifications.

Partial Equivalent (Not Recommended for Direct Substitution): Part BZ-3YQ66T shares the SPDT circuit, On-Mom function, overtravel plunger actuator, panel mount configuration, and screw terminal termination. However, this part is rated for 5A AC at 250V, which differs from the 15A at 125V requirement of the GPTCNH11. Additionally, BZ-3YQ66T is classified as Obsolete status. This part does not qualify as a direct substitute due to reduced current capacity and obsolete classification.

Parameter Comparison

Engineering Selection Recommendations

Recommended Direct Substitutes:

BZ-2RQ124-A2, BZ-2RQ77, and BZ-7RQ1T are qualified direct substitutes for the GPTCNH11. All three parts are manufactured by Honeywell Sensing and Productivity Solutions and maintain Active product status. Each part satisfies the electrical requirements of 15A AC at 125V, the SPDT circuit configuration, On-Mom switch function, overtravel plunger actuator, panel mount configuration, and screw terminal termination. All substitute parts are RoHS compliant and provide equivalent mechanical life ratings of 20,000,000 cycles.

The substitute parts offer extended operating temperature ranges compared to the GPTCNH11. BZ-2RQ124-A2 operates from -55°C to 121°C, while BZ-2RQ77 and BZ-7RQ1T operate from -55°C to 85°C, providing greater thermal flexibility in applications requiring wider temperature performance.

Not Recommended:

BZ-3YQ66T does not qualify as a substitute due to reduced current capacity (5A versus 15A) and Obsolete product status. This part cannot fulfill the electrical requirements of applications designed for the GPTCNH11.

Frequently Asked Questions (FAQ)

Q: Can BZ-2RQ124-A2, BZ-2RQ77, or BZ-7RQ1T be used as direct replacements for GPTCNH11?

A: Yes. All three Honeywell parts meet the electrical and mechanical specifications required for direct substitution. Each part maintains 15A AC at 125V rating, SPDT circuit configuration, On-Mom function, overtravel plunger actuator, panel mount configuration, and screw terminal termination. All are Active status products with RoHS compliance.

Q: What are the differences between the three recommended substitute parts?

A: The three recommended substitutes differ in operating force, operating position, pretravel, and differential travel specifications. BZ-2RQ124-A2 features an operating position of 0.859" (21.8mm) with operating force of 255-368gf. BZ-2RQ77 has an operating position of 1.720" (43.7mm) with the same operating force range. BZ-7RQ1T operates at 0.859" (21.8mm) with a higher operating force of 624-794gf. Selection depends on specific application requirements for actuator travel and force characteristics.

Q: Why is BZ-3YQ66T not recommended as a substitute?

A: BZ-3YQ66T is rated for 5A AC at 250V, which provides insufficient current capacity for applications requiring 15A AC at 125V. Additionally, this part is classified as Obsolete, making it unsuitable for new designs or long-term supply continuity.

Q: Are all substitute parts available in Bulk packaging?

A: BZ-2RQ124-A2, BZ-2RQ77, and BZ-7RQ1T are all available in Bulk packaging, matching the GPTCNH11 packaging specification. BZ-3YQ66T packaging is not specified in available documentation.

Q: Do the substitute parts support DC voltage applications?

A: BZ-2RQ124-A2, BZ-2RQ77, and BZ-7RQ1T support both AC and DC operation. These parts are rated for 500mA DC at 125V in addition to their 15A AC at 125V rating. The GPTCNH11 specification does not include DC voltage rating information.

Q: What is the mechanical life expectancy for substitute parts?

A: All recommended substitute parts (BZ-2RQ124-A2, BZ-2RQ77, BZ-7RQ1T) provide 20,000,000 mechanical life cycles, equivalent to the GPTCNH11 specification.

Q: Are all substitute parts RoHS compliant?

A: Yes. BZ-2RQ124-A2, BZ-2RQ77, and BZ-7RQ1T are all RoHS compliant. The GPTCNH11 is RoHS3 compliant. All parts meet environmental compliance requirements for electronic component manufacturing and distribution.