D44L-R1AA Equivalent & Substitute Parts

Part Overview

The D44L-R1AA is a snap action SPDT switch manufactured by ZF Electronics, designed for chassis mount applications with 10A AC and 6A DC current capacity at 125V AC and 30V DC respectively. This component features a round pin plunger actuator and quick connect termination, with explosion-proof construction. The part is currently obsolete, necessitating identification of functionally equivalent alternatives from active product lines that maintain compatibility with existing circuit requirements.

Substiute Parts

D44L-R1AA

ZF ElectronicsIn Stock: 786D44L-R1AA Datasheet

Current PartRFQ

D449-R1AA

ZF ElectronicsIn Stock: 2337D449-R1AA Datasheet

DirectRFQ

TMCGD6SP0040C

C&KIn Stock: 842TMCGD6SP0040C Datasheet

SimilarRFQ

V15T16-EZ200A01-K

Honeywell Sensing and Productivity SolutionsIn Stock: 885V15T16-EZ200A01-K Datasheet

SimilarRFQ

V15T16-EZ200A05-K

Honeywell Sensing and Productivity SolutionsIn Stock: 998V15T16-EZ200A05-K Datasheet

SimilarRFQ

V15T22-CZ200-K

Honeywell Sensing and Productivity SolutionsIn Stock: 867V15T22-CZ200-K Datasheet

SimilarRFQ

V7-1C17D8

Honeywell Sensing and Productivity SolutionsIn Stock: 3269V7-1C17D8 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility is determined by the following critical parameters:

Mandatory Compatibility Criteria:

• Circuit configuration: SPDT
• Switch function: On-Mom
• Mounting type: Chassis Mount
• Termination style: Quick Connect - 0.187" (4.7mm)
• Operating temperature range: Must encompass or exceed -40°C ~ 85°C

Electrical Performance Criteria:

• Current rating (AC): Must be ≥10A
• Voltage rating (AC): Must be ≥125V
• Current rating (DC): Must be ≥6A (where applicable)
• Voltage rating (DC): Must be ≥30V (where applicable)

Compliance Criteria:

• RoHS3 Compliant
• REACH Unaffected or REACH Compliant

The substitute parts identified meet these criteria with varying actuator types and enhanced electrical life specifications. Parts are grouped by their ability to directly replace the D44L-R1AA in equivalent circuit applications.

Parameter Comparison

Engineering Selection Recommendations

Direct ZF Electronics Replacement: D449-R1AA is the active product line successor from the same manufacturer. It maintains identical circuit configuration, switch function, actuator type, and termination style. The D449-R1AA provides enhanced electrical life (50,000 cycles versus 6,000 cycles) while maintaining the same operating force and temperature range. Voltage rating increases to 250V AC, providing additional design margin. This part is ROHS3 Compliant and REACH Unaffected.

Cross-Manufacturer Alternatives with Matched Electrical Specifications: TMCGD6SP0040C (C&K) and V7-1C17D8 (Honeywell) both maintain 125V AC voltage rating and round pin plunger actuator configuration. TMCGD6SP0040C offers significantly extended electrical life (350,000 cycles) with expanded operating temperature range (-55°C ~ 150°C). V7-1C17D8 provides 15A AC current capacity with 100,000 cycle electrical life and maintains the original -40°C ~ 85°C temperature range. Both are RoHS Compliant and REACH Unaffected.

Higher Current Capacity Alternatives: V15T16-EZ200A01-K, V15T16-EZ200A05-K, and V15T22-CZ200-K provide increased current ratings (16A and 22A respectively) with 250V AC voltage rating. These parts accommodate applications requiring higher current capacity. V15T16-EZ200A05-K features a roller lever actuator with different mechanical characteristics. V15T22-CZ200-K uses 0.250" (6.3mm) termination, requiring connector compatibility verification. All are RoHS Compliant.

Frequently Asked Questions (FAQ)

Q: Can D449-R1AA directly replace D44L-R1AA in all applications? A: D449-R1AA maintains identical circuit configuration (SPDT), switch function (On-Mom), actuator type (round pin plunger), mounting type (chassis mount), and termination style (0.187" quick connect). It meets or exceeds all electrical specifications of the original part. Compatibility is determined by circuit voltage and current requirements not exceeding 250V AC and 10A AC respectively.

Q: What is the primary difference between TMCGD6SP0040C and V7-1C17D8? A: Both parts maintain 125V AC voltage rating and round pin plunger actuator. TMCGD6SP0040C (C&K) provides 350,000 electrical life cycles with extended temperature range (-55°C ~ 150°C). V7-1C17D8 (Honeywell) provides 100,000 electrical life cycles and maintains the original -40°C ~ 85°C temperature range. Selection depends on application duty cycle and environmental temperature requirements.

Q: Why do V15T16-EZ200A01-K and V15T16-EZ200A05-K have different actuator types? A: V15T16-EZ200A01-K features a straight lever actuator, while V15T16-EZ200A05-K features a roller lever actuator. Both provide 16A AC current capacity at 250V. Actuator selection depends on mechanical interface requirements and operating force tolerance in the application. The roller variant (EZ200A05-K) requires higher operating force (240gf versus 200gf).

Q: Is V15T22-CZ200-K compatible with existing connectors? A: V15T22-CZ200-K uses 0.250" (6.3mm) quick connect termination, differing from the original 0.187" (4.7mm) standard. Connector compatibility must be verified before selection. This part is suitable only for applications where termination size can be accommodated.

Q: What compliance certifications apply to all substitute parts? A: All substitute parts are RoHS Compliant. D449-R1AA, TMCGD6SP0040C, and V7-1C17D8 are REACH Unaffected. Honeywell parts (V15 series) are RoHS Compliant. Compliance verification for specific regulatory requirements should be confirmed against application standards.

Q: Which substitute part offers the longest electrical life? A: TMCGD6SP0040C (C&K) provides 350,000 electrical life cycles, the highest among all alternatives. This extended life is suitable for high-duty-cycle applications. Standard alternatives provide 50,000 to 100,000 cycles, appropriate for moderate-duty applications.