Honeywell BZ-R214 Snap Action Switch: Equivalent & Substitute Parts

Part Overview

The Honeywell BZ-R214 is a snap action switch with SPDT (Single Pole Double Throw) circuit configuration, rated for 10A at 125V AC. This component features a round pin plunger actuator, chassis mount design, and solder lug termination. The BZ-R214 is classified as obsolete, making equivalent substitute parts necessary for ongoing applications and new designs requiring functionally compatible alternatives.

Substiute Parts

BZ-R214

Honeywell Sensing and Productivity SolutionsIn Stock: 1035BZ-R214 Datasheet

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Z-15ER

Omron Automation and SafetyIn Stock: 1217Z-15ER Datasheet

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Z-15G

Omron Automation and SafetyIn Stock: 846Z-15G Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the BZ-R214 is determined by the following critical parameters that must align across candidate parts:

Primary Compatibility Criteria:

• Circuit configuration: SPDT (maintained across all substitutes)
• Actuator type: Round pin plunger (maintained across all substitutes)
• Mounting type: Chassis mount (maintained across all substitutes)
• Termination style: Solder lug (maintained across all substitutes)
• Operating position: 0.625" (15.9mm) (maintained across all substitutes)
• Voltage rating: 125V AC minimum (maintained across all substitutes)

Secondary Compatibility Criteria:

• Current rating: Minimum 10A AC (substitutes rated 15A AC exceed requirement)
• Switch function: On-Mom operation (Z-15G maintains this; Z-15ER differs with On-On)
• Mechanical life: Minimum 20,000,000 cycles (Z-15G meets this; Z-15ER falls below)

The Omron Z-15ER and Z-15G both satisfy primary compatibility requirements. Z-15G provides superior alignment with the BZ-R214 due to matching On-Mom switch function and exceeding mechanical life specification.

Parameter Comparison

Engineering Selection Recommendations

Omron Z-15G (Preferred Substitute)

The Z-15G is the primary equivalent for BZ-R214 replacement applications. This part maintains identical switch function (On-Mom), matches the 20,000,000 cycle mechanical life specification, and provides superior electrical life (500,000 cycles). The Z-15G is active in production with RoHS3 compliance and REACH unaffected status, ensuring long-term availability and regulatory alignment. Current rating of 15A AC exceeds the 10A requirement, providing design margin. Operating temperature range (-25°C to 80°C) is narrower than the original but suitable for most industrial applications.

Omron Z-15ER (Secondary Substitute)

The Z-15ER serves as an alternative where On-On switch function is acceptable. This part provides higher current capacity (15A AC/DC) and dual voltage operation (125V AC, 30V DC). However, mechanical life (300,000 cycles) falls significantly below the BZ-R214 specification, and electrical life (100,000 cycles) is lower than Z-15G. Z-15ER is suitable only for applications with reduced cycle count requirements or where the On-On function provides operational advantage.

Compliance Considerations

Both substitute parts are RoHS compliant and carry EAR99 ECCN classification, matching the original part's regulatory status. Z-15G provides enhanced compliance with RoHS3 and REACH unaffected designation.

Frequently Asked Questions (FAQ)

Q: Can Z-15ER directly replace BZ-R214 in all applications?

A: Z-15ER is mechanically and electrically compatible for circuit integration. However, the On-On switch function differs from the BZ-R214's On-Mom operation, requiring circuit design review. Mechanical life (300,000 cycles) is substantially lower than the original specification (20,000,000 cycles), limiting use to applications with reduced operational cycle requirements.

Q: What is the primary difference between Z-15ER and Z-15G substitutes?

A: Z-15G maintains the On-Mom switch function and 20,000,000 cycle mechanical life of the original BZ-R214, providing superior functional alignment. Z-15ER operates as On-On with reduced mechanical life (300,000 cycles) but offers higher DC current capacity (15A). Z-15G is the preferred substitute for direct replacement; Z-15ER is suitable only where functional differences are acceptable.

Q: Are the operating positions identical across all three parts?

A: Yes. All three parts—BZ-R214, Z-15ER, and Z-15G—share identical operating position of 0.625" (15.9mm), ensuring mechanical compatibility in chassis mount applications.

Q: What is the impact of the narrower operating temperature range in substitute parts?

A: The BZ-R214 operates from -55°C to 85°C, while both Omron substitutes operate from -25°C to 80°C. Applications requiring operation below -25°C or above 80°C cannot use these substitutes. For standard industrial temperature ranges (-20°C to 70°C), the substitutes are fully compatible.

Q: Do packaging differences affect substitution?

A: Z-15ER is supplied in Bulk packaging; Z-15G is supplied in Tray packaging. Both are suitable for production integration. Packaging selection depends on assembly process requirements and inventory management practices, not functional compatibility.

Q: Are all three parts RoHS compliant?

A: Yes. BZ-R214 is RoHS Compliant; Z-15ER is RoHS Compliant; Z-15G is RoHS3 Compliant. All parts meet current environmental regulations. Z-15G provides enhanced compliance status.

Q: What is the significance of the 15A current rating in substitutes versus the 10A original?

A: The 15A rating in both Omron parts exceeds the 10A requirement of the BZ-R214, providing design margin and allowing use in applications with higher current demands. This is a beneficial characteristic that does not compromise compatibility.