APEM Inc. 5246ZAB Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The APEM Inc. 5246ZAB is an active production toggle switch with DPDT (Double Pole Double Throw) circuit configuration, rated for 6A AC at 125V and 4A DC at 30V. This panel-mount switch features a standard round actuator with quick connect termination and epoxy sealed terminals for enhanced reliability. The part is ROHS3 compliant and maintains an unlimited moisture sensitivity level (MSL 1). Substitute parts are identified when equivalent electrical ratings, mechanical compatibility, and circuit functionality align with the original specification, enabling direct replacement in applications where the primary part becomes unavailable or when design requirements necessitate alternative sourcing options.

Substiute Parts

5246ZAB

APEM Inc.In Stock: 9735246ZAB Datasheet

Current PartRFQ

2M1-DP1-T1-B1-M2QE

Carling TechnologiesIn Stock: 17322M1-DP1-T1-B1-M2QE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 5246ZAB is determined by the following critical parameters:

Circuit and Electrical Compatibility: The substitute part must maintain DPDT circuit configuration with On-On switch function. AC voltage rating must meet or exceed 125V; DC voltage rating must meet or exceed 30V. AC current rating must meet or exceed 6A; DC current rating must meet or exceed 4A.

Mechanical Compatibility: Panel mount configuration is required. The panel cutout diameter must accommodate the original 6.50mm specification or smaller. Bushing thread must be 1/4-40 to ensure proper panel installation.

Termination and Environmental: Termination style compatibility is evaluated based on PCB layout requirements. Operating temperature range must encompass the -40°C to 85°C specification. Electrical life rating must meet or exceed 50,000 cycles.

Compliance and Reliability: RoHS3 compliance is mandatory. Moisture sensitivity level must be MSL 1 (Unlimited). Epoxy sealed terminals are required for terminal protection.

The Carling Technologies 2M1-DP1-T1-B1-M2QE qualifies as a substitute based on equivalent DPDT circuit, matching On-On function, AC voltage compatibility (125V), acceptable DC voltage (28V), current ratings (5A AC/DC meet minimum requirements), identical panel mount configuration, compatible bushing thread (1/4-40), matching operating temperature upper limit (85°C), equivalent electrical life (50,000 cycles), and full RoHS3 compliance.

Parameter Comparison

Engineering Selection Recommendations

Primary Part (APEM 5246ZAB): Recommended for applications requiring the full -40°C lower temperature operating range and quick connect termination compatibility with existing PCB designs. Active production status ensures continued availability and supply chain stability.

Substitute Part (Carling 2M1-DP1-T1-B1-M2QE): Acceptable for applications operating within the -30°C to 85°C range where AC current draw does not exceed 5A and DC voltage does not exceed 28V. The PC pin termination requires PCB layout compatibility verification. Enhanced IP67 ingress protection provides additional environmental sealing. Active production status and higher inventory availability (1714 pcs vs. 898 pcs) support alternative sourcing strategies. Both parts maintain ROHS3 compliance and unlimited moisture sensitivity level (MSL 1).

Frequently Asked Questions (FAQ)

Q: Can the Carling 2M1-DP1-T1-B1-M2QE directly replace the APEM 5246ZAB in all applications?

A: Direct replacement is possible only when application current draw does not exceed 5A AC and operating temperature remains above -30°C. The termination style difference (Quick Connect vs. PC Pin) requires PCB layout verification before installation.

Q: What is the impact of the lower AC current rating (5A vs. 6A) on the substitute part?

A: The substitute part is rated for 5A AC at 125V. Applications drawing continuous current above 5A require the original APEM part. Applications operating at or below 5A AC are compatible with the substitute.

Q: Are both parts suitable for outdoor or harsh environment applications?

A: The APEM 5246ZAB has no specified ingress protection rating. The Carling substitute offers IP67 protection (dust tight, waterproof), making it more suitable for harsh environments. Both parts operate across the 85°C upper temperature limit and feature epoxy sealed terminals.

Q: What is the significance of the different termination styles?

A: The APEM part uses Quick Connect - 0.062" (1.5mm) termination; the Carling substitute uses PC Pin termination. These are mechanically and electrically different connection methods. PCB design must accommodate the selected termination style. Adapter solutions are not recommended for critical applications.

Q: Do both parts meet the same compliance standards?

A: Yes. Both the APEM 5246ZAB and Carling 2M1-DP1-T1-B1-M2QE are ROHS3 compliant, REACH unaffected, and classified as EAR99 for export control purposes. Both maintain MSL 1 (Unlimited) moisture sensitivity level.

Q: What is the panel cutout compatibility between the two parts?

A: The APEM part requires a 6.50mm diameter circular cutout. The Carling substitute requires a 6.35mm diameter cutout. The substitute's smaller diameter is compatible with the original 6.50mm cutout, allowing installation in existing panel designs without modification.