Equivalent & Substitute Parts for Honeywell 1LN1-1-RH Snap Action Switch

Part Overview

The Honeywell 1LN1-1-RH is a snap action switch with Single Pole Double Throw (SPDT) circuit configuration, rated for 10A at 125V AC. This switch features a round pin plunger actuator, chassis mount design, and wire lead termination. The product is classified as obsolete, making identification of equivalent substitute parts essential for system maintenance, repair, and component sourcing.

The primary reason for identifying substitute parts is the obsolete status of the 1LN1-1-RH. Active equivalent models provide continued availability while maintaining functional compatibility within the specified electrical and mechanical parameters.

Substiute Parts

1LN1-1-RH

Honeywell Sensing and Productivity SolutionsIn Stock: 10231LN1-1-RH Datasheet

Current PartRFQ

ZE-Q-2S

Omron Automation and SafetyIn Stock: 1084ZE-Q-2S Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Honeywell 1LN1-1-RH is based on the following critical parameters:

Electrical Compatibility:

• Circuit type must be SPDT
• Current rating must be equal to or greater than 10A AC
• Voltage rating must support 125V AC operation

Mechanical Compatibility:

• Actuator type must be round pin plunger
• Mounting configuration must be chassis mount
• Physical dimensions and operating characteristics must allow functional replacement

Environmental and Regulatory Compliance:

• Operating temperature range must encompass -32°C to 55°C or be suitable for the intended application
• RoHS compliance status must be maintained

The Omron ZE-Q-2S meets these substitution criteria with a 15A AC current rating (exceeding the 10A requirement), SPDT circuit configuration, round pin plunger actuator, chassis mount design, and RoHS compliance.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: Omron ZE-Q-2S

The Omron ZE-Q-2S is the qualified substitute for the Honeywell 1LN1-1-RH based on the following engineering criteria:

1. Electrical Specifications: The ZE-Q-2S maintains SPDT circuit configuration and 125V AC voltage rating. The 15A AC current rating exceeds the 10A requirement of the original part, providing adequate capacity for the intended application.

2. Mechanical Interface: Both parts feature round pin plunger actuators and chassis mount configurations, ensuring mechanical compatibility within the switching mechanism.

3. Product Status and Availability: The Omron part is classified as active with 1019 units in stock, ensuring continued availability for procurement and replacement cycles. The Honeywell part is obsolete, making the Omron substitute the appropriate choice for ongoing system support.

4. Regulatory Compliance: Both parts maintain RoHS compliance and carry identical ECCN and HTSUS classifications, satisfying regulatory and trade requirements.

5. Environmental Considerations: The Omron part provides IP60 ingress protection, offering enhanced environmental sealing compared to the unspecified protection level of the original part. The operating temperature range of -10°C to 80°C covers most industrial applications, though the lower limit is higher than the original specification.

Connection Method Consideration: The primary difference is termination style. The Honeywell part uses wire leads, while the Omron part uses screw terminals. This requires appropriate connection method adaptation during installation but does not affect electrical or mechanical functionality.

Frequently Asked Questions (FAQ)

Q1: Can the Omron ZE-Q-2S directly replace the Honeywell 1LN1-1-RH without modification?

A: The Omron ZE-Q-2S is electrically and mechanically compatible with the Honeywell 1LN1-1-RH for SPDT switching applications at 10A, 125V AC. However, the termination style differs: the Honeywell uses wire leads while the Omron uses screw terminals. Installation requires appropriate connection method adaptation to the existing wiring or circuit board interface.

Q2: Why is the Omron part rated for 15A when the original is 10A?

A: The higher current rating indicates the Omron part is designed for greater load capacity. A 15A-rated switch is suitable for 10A applications and provides additional safety margin. The switch will operate reliably at or below its rated current.

Q3: Does the difference in operating temperature range affect substitution suitability?

A: The Omron ZE-Q-2S operates from -10°C to 80°C, while the Honeywell operates from -32°C to 55°C. The Omron part has a higher minimum temperature limit. If the application requires operation below -10°C, the Omron substitute is not suitable. For standard industrial environments, the Omron range is typically adequate.

Q4: What is the significance of the IP60 rating on the Omron part?

A: IP60 (Dust Tight) indicates the Omron switch provides enhanced environmental protection against dust ingress. The original Honeywell part does not specify an ingress protection rating. The Omron's IP60 rating provides additional environmental sealing, which may be beneficial in dusty or harsh environments.

Q5: Are there any electrical performance differences between the two parts?

A: Both parts are SPDT switches with On-Mom function and 125V AC rating. The Omron part specifies additional electrical life (500,000 cycles) and mechanical life (10,000,000 cycles), providing documented performance data. Both parts are RoHS compliant and carry identical trade classifications.

Q6: What packaging considerations apply to the Omron substitute?

A: The Honeywell part is supplied with unspecified packaging, while the Omron ZE-Q-2S is supplied in bulk packaging. Bulk packaging is standard for industrial component distribution and does not affect the component's functionality or installation.