Equivalent & Substitute Parts for 1NT1-7-COMB Toggle Switch

Part Overview

The 1NT1-7-COMB is a toggle switch manufactured by Honeywell Sensing and Productivity Solutions, classified as SPDT (Single Pole Double Throw) with momentary-off-momentary (Mom-Off-Mom) switching function. This panel-mount switch is rated for 10A AC at 125V and features sealed construction with IP67/IP68 ingress protection. The product is currently obsolete, necessitating identification of active equivalent alternatives that maintain electrical and mechanical compatibility for direct substitution in existing applications.

Substiute Parts

1NT1-7-COMB

Honeywell Sensing and Productivity SolutionsIn Stock: 10911NT1-7-COMB Datasheet

Current PartRFQ

31NT91-7

Honeywell Sensing and Productivity SolutionsIn Stock: 112231NT91-7 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the obsolete 1NT1-7-COMB is based on strict electrical and mechanical parameter matching within the Honeywell NT series toggle switch family. The substitute part 31NT91-7 qualifies as a direct equivalent because it maintains identical specifications across all critical parameters:

Electrical Parameters (Must Match):

• Circuit configuration: SPDT
• Switch function: Mom-Off-Mom
• Current rating: 10A AC
• Voltage rating: 125V AC

Mechanical Parameters (Must Match):

• Mounting type: Panel Mount
• Panel cutout dimensions: Circular 12.40mm Dia
• Bushing thread: 15/32-32
• Actuator type: Standard Round
• Actuator length: 17.02mm

Environmental & Compliance Parameters (Must Match):

• Ingress protection: IP67/IP68
• Operating temperature: -40°C ~ 71°C
• RoHS compliance: Yes

The primary difference between the main part and substitute is the termination style (Screw Terminal vs. Quick Connect 0.250") and product status (Obsolete vs. Active). The substitute part 31NT91-7 is currently in active production with higher inventory availability.

Parameter Comparison

Engineering Selection Recommendations

The 31NT91-7 is the qualified substitute for the obsolete 1NT1-7-COMB based on complete electrical and mechanical parameter equivalence. Both parts are manufactured by Honeywell Sensing and Productivity Solutions and maintain identical specifications for circuit configuration, current and voltage ratings, mounting dimensions, environmental sealing, and operating temperature range.

Selection Basis:

1. Electrical Compatibility: Both parts are SPDT Mom-Off-Mom switches rated for 10A AC at 125V, ensuring direct functional equivalence in circuit applications.

2. Mechanical Compatibility: Identical panel cutout dimensions (12.40mm circular), bushing thread (15/32-32), actuator type, and actuator length ensure direct physical substitution in existing panel installations.

3. Environmental Compliance: Both parts meet IP67/IP68 ingress protection and operate across the identical temperature range (-40°C ~ 71°C), maintaining sealed construction for harsh environment applications.

4. Regulatory Compliance: Both parts are RoHS Compliant and carry identical ECCN (EAR99) and HTSUS (8536.50.9065) classifications, ensuring regulatory equivalence.

5. Product Status: The substitute part 31NT91-7 is in active production with confirmed inventory availability (1086 Pcs), whereas the main part is obsolete.

Termination Consideration: The substitute part uses Quick Connect 0.250" (6.3mm) termination instead of Screw Terminal. This difference requires connector adaptation during installation but does not affect electrical or mechanical compatibility of the switch itself.

Frequently Asked Questions (FAQ)

Q: Can 31NT91-7 be used as a direct replacement for 1NT1-7-COMB in existing applications?

A: Yes. The 31NT91-7 is electrically and mechanically equivalent to the 1NT1-7-COMB. Both are SPDT Mom-Off-Mom switches with identical current (10A AC), voltage (125V), mounting dimensions, and environmental specifications. The only difference is the termination style (Quick Connect vs. Screw Terminal), which requires appropriate connector adaptation but does not affect switch functionality.

Q: What are the critical parameters that determine substitution eligibility?

A: Substitution eligibility is determined by matching: circuit configuration (SPDT), switch function (Mom-Off-Mom), current rating (10A AC), voltage rating (125V AC), mounting type (Panel Mount), panel cutout dimensions (12.40mm circular), bushing thread (15/32-32), actuator specifications, ingress protection rating (IP67/IP68), and operating temperature range (-40°C ~ 71°C).

Q: Does the termination style difference affect electrical performance?

A: No. The termination style (Screw Terminal vs. Quick Connect) is a connection interface specification only. It does not affect the electrical performance, switching characteristics, or load capacity of the switch. Appropriate connectors must be used during installation to match the termination type.

Q: Are both parts RoHS compliant?

A: Yes. Both 1NT1-7-COMB and 31NT91-7 are RoHS Compliant and carry identical regulatory classifications (ECCN: EAR99, HTSUS: 8536.50.9065).

Q: What is the operating temperature range for both parts?

A: Both parts operate across the identical temperature range of -40°C to 71°C, ensuring thermal compatibility in the same environmental conditions.

Q: Why is 1NT1-7-COMB listed as obsolete?

A: The 1NT1-7-COMB is classified as obsolete, indicating it is no longer in active production. The 31NT91-7 is the active equivalent part currently manufactured by Honeywell Sensing and Productivity Solutions.

Q: Is inventory availability a factor in substitution?

A: Inventory status is not a substitution criterion but is relevant for procurement planning. The 31NT91-7 has confirmed inventory of 1086 Pcs, whereas the obsolete 1NT1-7-COMB has limited remaining stock of 986 Pcs.