Honeywell 4TL49-12A Toggle Switch 4PDT Equivalent & Substitute Parts

Part Overview

The Honeywell 4TL49-12A is a panel-mount toggle switch with 4PDT (four-pole double-throw) circuit configuration, rated for 15A AC at 125V. This component features a locking lever actuator with environment-sealed ingress protection and screw terminal termination. The 4TL49-12A is classified as obsolete product status, making identification of functionally equivalent alternatives necessary for ongoing system maintenance and new design implementations where this specific model is no longer available through standard distribution channels.

Substiute Parts

4TL49-12A

Honeywell Sensing and Productivity SolutionsIn Stock: 10324TL49-12A Datasheet

Current PartRFQ

4TL1-12A

Honeywell Sensing and Productivity SolutionsIn Stock: 8804TL1-12A Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 4TL49-12A is determined by strict equivalence across the following critical parameters:

Electrical Specifications: Circuit configuration (4PDT), current rating (15A AC), and voltage rating (125V AC) must be identical. These parameters define the switch's load-handling capability and electrical safety classification.

Mechanical Compatibility: Mounting type (panel mount), panel cutout dimensions (circular 12.40mm diameter), and bushing thread specification (15/32-32) must match exactly to ensure physical installation compatibility without panel modification.

Actuator Specifications: Actuator type (locking lever) and actuator length (26.67mm) must be identical to maintain consistent operator interface and control characteristics.

Environmental & Termination: Ingress protection (environment sealed), termination style (screw terminal), and operating temperature range (-65°C to 71°C) must be maintained for functional equivalence in the intended application environment.

Compliance: RoHS compliance status and moisture sensitivity level (MSL 1) must be preserved to meet regulatory and manufacturing requirements.

The 4TL1-12A meets all these criteria and qualifies as a direct substitute for the obsolete 4TL49-12A.

Parameter Comparison

Engineering Selection Recommendations

The 4TL1-12A is the direct functional equivalent for the obsolete 4TL49-12A. All critical electrical, mechanical, and environmental parameters are identical. The primary distinction is product status: the 4TL49-12A is obsolete while the 4TL1-12A maintains active product status with current manufacturing and distribution support.

Both parts carry identical RoHS compliance certification and ECCN/HTSUS classifications (EAR99 and 8536.50.9065 respectively), confirming regulatory equivalence. The 4TL1-12A is available in bulk packaging with 773 units in current inventory, providing supply continuity for applications requiring the 4PDT 15A 125V toggle switch configuration.

For new designs or system replacements where the 4TL49-12A is no longer procurable, the 4TL1-12A provides complete functional and mechanical compatibility without design modification.

Frequently Asked Questions (FAQ)

Q: Can the 4TL1-12A be used as a direct replacement for the 4TL49-12A without any modifications?

A: Yes. The 4TL1-12A is electrically and mechanically identical to the 4TL49-12A across all critical parameters including circuit configuration, current/voltage ratings, panel cutout dimensions, bushing thread specification, and actuator dimensions. No panel modifications or wiring changes are required.

Q: What is the difference between the 4TL49-12A and 4TL1-12A?

A: The primary difference is product status. The 4TL49-12A is classified as obsolete, while the 4TL1-12A is an active product. The 4TL1-12A features a nickel-plated actuator material specification, whereas the 4TL49-12A specifies a white actuator. Both parts are functionally equivalent for electrical and mechanical applications.

Q: Are there any compliance or certification differences between these parts?

A: No. Both the 4TL49-12A and 4TL1-12A carry identical RoHS compliance status, moisture sensitivity level (MSL 1), ECCN classification (EAR99), and HTSUS code (8536.50.9065). They meet the same regulatory requirements.

Q: What packaging options are available for the substitute part?

A: The 4TL1-12A is supplied in bulk packaging. The original 4TL49-12A packaging specification was not provided in the technical data.

Q: Is the 4TL1-12A currently available in inventory?

A: Yes. The 4TL1-12A is an active product with 773 units in current new original inventory stock.