Honeywell 1NT91-61 Toggle Switch SPST-NO Equivalent & Substitute Parts

Part Overview

The Honeywell 1NT91-61 is a panel-mount toggle switch with SPST-NO (Single Pole Single Throw - Normally Open) circuit configuration, rated for 10A at 125V AC. This switch features a sealed design with IP67/IP68 ingress protection, making it suitable for applications requiring dust-tight and waterproof operation. The part is classified as obsolete, necessitating identification of active equivalent alternatives for new designs and ongoing production requirements.

Substiute Parts

1NT91-61

Honeywell Sensing and Productivity SolutionsIn Stock: 9941NT91-61 Datasheet

Current PartRFQ

31NT91-6

Honeywell Sensing and Productivity SolutionsIn Stock: 108731NT91-6 Datasheet

DirectRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the 1NT91-61 is determined by strict equivalence across the following critical parameters:

Electrical Parameters:

• Circuit configuration: SPST-NO
• Current rating: 10A (AC)
• Voltage rating: 125V AC

Mechanical Parameters:

• Mounting type: Panel Mount
• Actuator type: Standard Round
• Actuator length: 17.02mm
• Termination style: Quick Connect - 0.250" (6.3mm)
• Panel cutout dimensions: Circular - 12.40mm Dia
• Bushing thread: 15/32-32

Environmental Parameters:

• Ingress protection: IP67/IP68 - Dust Tight, Waterproof
• Operating temperature range: -40°C ~ 71°C

Compliance Parameters:

• RoHS Compliant status

The substitute part 31NT91-6 maintains identical electrical, mechanical, and environmental specifications while offering active product status and improved availability.

Parameter Comparison

Engineering Selection Recommendations

The 31NT91-6 is the direct functional equivalent of the 1NT91-61. Both parts are manufactured by Honeywell Sensing and Productivity Solutions and maintain identical electrical, mechanical, and environmental specifications. The primary distinction is product status: the 1NT91-61 is obsolete while the 31NT91-6 is active.

For new designs and production applications, the 31NT91-6 is the appropriate selection. Both parts carry RoHS Compliant certification and are suitable for applications requiring sealed, waterproof toggle switch operation at 10A, 125V AC with panel-mount configuration.

The 31NT91-6 is available in bulk packaging with confirmed inventory of 1010 pieces, supporting production continuity and supply chain reliability.

Frequently Asked Questions (FAQ)

Q: Can the 31NT91-6 directly replace the 1NT91-61 in existing applications?

A: Yes. The 31NT91-6 maintains identical electrical ratings (10A, 125V AC, SPST-NO), mechanical dimensions (panel cutout 12.40mm Dia, actuator length 17.02mm), termination style (Quick Connect - 0.250"), and environmental specifications (IP67/IP68, -40°C ~ 71°C). No circuit modifications or mechanical adjustments are required.

Q: What is the difference between these two part numbers?

A: The primary difference is product status. The 1NT91-61 is obsolete, while the 31NT91-6 is active. All functional and physical specifications are identical. The 31NT91-6 is the current production equivalent.

Q: Are there packaging differences between these parts?

A: The 1NT91-61 is listed with packaging designation "-" while the 31NT91-6 is supplied in bulk packaging. Both parts are identical in form, fit, and function.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the 1NT91-61 and 31NT91-6 are RoHS Compliant with Moisture Sensitivity Level (MSL) 1 (Unlimited). The 31NT91-6 additionally carries REACH Unaffected status.

Q: What applications are these switches suitable for?

A: These SPST-NO toggle switches are designed for panel-mount applications requiring sealed, waterproof operation. The IP67/IP68 ingress protection rating and operating temperature range of -40°C ~ 71°C support industrial and environmental applications where dust and moisture ingress must be prevented.

Q: Is the 31NT91-6 available for immediate use?

A: Yes. The 31NT91-6 is an active product with confirmed inventory of 1010 pieces in stock.