D44L-R1RA Equivalent & Substitute Parts

Part Overview

The D44L-R1RA is a snap action SPDT switch manufactured by ZF Electronics, designed for chassis mount applications with quick connect termination. This switch is rated for 10A AC at 125V and 6A DC at 30V, featuring lever and roller actuator options with explosion-proof construction. The product is currently obsolete, making identification of equivalent and substitute parts essential for system maintenance, repair, and redesign applications.

Substiute Parts

D44L-R1RA

ZF ElectronicsIn Stock: 976D44L-R1RA Datasheet

Current PartRFQ

D449-R1RA-G2

ZF ElectronicsIn Stock: 5025D449-R1RA-G2 Datasheet

DirectRFQ

V7-2A17D8-207

Honeywell Sensing and Productivity SolutionsIn Stock: 704V7-2A17D8-207 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the D44L-R1RA is determined by the following critical parameters: circuit configuration (SPDT), switch function (On-Mom), mounting type (Chassis Mount), termination style (Quick Connect - 0.187"), operating temperature range (-40°C to 85°C), and mechanical compatibility factors including actuator type and operating position.

The identified substitute parts are grouped as follows:

Direct Manufacturer Substitute (D449-R1RA-G2): Same manufacturer (ZF Electronics), identical circuit and function, same mounting and termination specifications. Voltage rating increased to 250V AC with enhanced electrical life (50,000 cycles vs. 6,000 cycles). Operating position and mechanical parameters remain within compatible ranges.

Similar Manufacturer Substitute (V7-2A17D8-207): Different manufacturer (Honeywell Sensing and Productivity Solutions), identical circuit and function, same mounting and termination specifications. Current rating reduced to 5A AC, voltage rating matches original at 125V AC. Significantly enhanced electrical life (100,000 cycles) and mechanical life (10,000,000 cycles). Operating force and travel characteristics differ but remain within functional compatibility for On-Mom applications.

Parameter Comparison

Engineering Selection Recommendations

D449-R1RA-G2 Selection: This direct substitute from ZF Electronics is the primary choice for applications requiring continuity with the original D44L-R1RA design. It maintains identical current rating (10A AC), circuit configuration, and mechanical interface while providing enhanced voltage rating (250V AC) and significantly improved electrical life (50,000 cycles). The part is active in production with ROHS3 compliance and REACH unaffected status, ensuring long-term availability and regulatory compliance.

V7-2A17D8-207 Selection: This Honeywell substitute is suitable for applications where current requirements do not exceed 5A AC at 125V. The part offers superior electrical life (100,000 cycles) and mechanical life (10,000,000 cycles), making it appropriate for high-cycle-count applications. RoHS compliance and REACH unaffected status confirm regulatory alignment. The reduced operating force (43gf vs. 76gf) and different travel characteristics require mechanical validation for specific mounting and actuation scenarios.

Both substitutes maintain SPDT circuit configuration, On-Mom function, chassis mount design, and quick connect termination compatibility with the original part.

Frequently Asked Questions (FAQ)

Q: Can D449-R1RA-G2 directly replace D44L-R1RA in all applications?

A: D449-R1RA-G2 maintains identical current rating (10A AC), circuit configuration (SPDT), switch function (On-Mom), mounting type (Chassis Mount), and termination style (Quick Connect - 0.187"). Operating position variance (0.806" vs. 0.776") and enhanced electrical life (50,000 vs. 6,000 cycles) are compatible with the original design envelope. Mechanical clearance validation is required for specific mounting configurations.

Q: What are the limitations of V7-2A17D8-207 as a substitute?

A: V7-2A17D8-207 has a reduced current rating of 5A AC compared to the original 10A AC specification. This part is suitable only for applications operating at or below 5A AC load. Operating force is reduced to 43gf (vs. 76gf), and travel characteristics differ. These differences require functional validation in the target application before deployment.

Q: Are both substitutes available in the same packaging as the original?

A: D449-R1RA-G2 is available in Bulk packaging. V7-2A17D8-207 is available in Bulk packaging. Original D44L-R1RA packaging information is not specified in available data. Packaging compatibility with existing assembly processes should be confirmed with procurement.

Q: Do both substitutes meet the same regulatory requirements as D44L-R1RA?

A: D449-R1RA-G2 is ROHS3 Compliant and REACH Unaffected, matching the original specification. V7-2A17D8-207 is RoHS Compliant and REACH Unaffected. Both parts carry ECCN EAR99 classification. Regulatory compliance is maintained across all three parts for standard industrial applications.

Q: What is the impact of different electrical life ratings on part selection?

A: D44L-R1RA is rated for 6,000 electrical cycles. D449-R1RA-G2 provides 50,000 cycles, and V7-2A17D8-207 provides 100,000 cycles. Selection should be based on actual application cycle requirements. Higher cycle-rated parts provide extended service life and reduced replacement frequency in high-cycle applications.