APEM Inc. 5237AB Toggle Switch SPDT Equivalent & Substitute Parts

Part Overview

The APEM Inc. 5237AB is a panel-mount toggle switch with SPDT (Single Pole Double Throw) circuit configuration and momentary-off-momentary (Mom-Off-Mom) switching function. This component is rated for 6A at 125V AC and 4A at 30V DC, featuring non-illuminated operation with epoxy-sealed PC pin termination. The part is currently active in production with 674 units in stock. Equivalent and substitute parts are identified to support procurement flexibility, design redundancy, and supply chain continuity.

Substiute Parts

5237AB

APEM Inc.In Stock: 7445237AB Datasheet

Current PartRFQ

100SP4T1B1M2QEH

E-SwitchIn Stock: 1017100SP4T1B1M2QEH Datasheet

SimilarRFQ

7105SYCQE

C&KIn Stock: 36297105SYCQE Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the 5237AB are qualified based on the following critical parameters that determine functional and mechanical compatibility:

• Circuit configuration: SPDT
• Switch function: Mom-Off-Mom
• Mounting type: Panel Mount
• Termination style: PC Pin
• Bushing thread: 1/4-40
• Current rating: Minimum 5A AC/DC
• Voltage rating: Minimum 120V AC, 28V DC
• Panel cutout diameter: 6.35mm to 6.50mm (circular)
• Actuator type: Standard Round
• Features: Epoxy Sealed Terminals
• Product status: Active

The identified substitutes meet these core requirements while operating within the specified electrical and mechanical envelope. Variations in actuator length, operating temperature range, and electrical life cycle are noted but do not preclude substitution when application requirements permit.

Parameter Comparison

Engineering Selection Recommendations

All three parts maintain active production status and ROHS3 compliance, supporting long-term availability and regulatory conformance. The 5237AB provides the highest current rating at 6A AC and extended operating temperature range to -40°C. The E-Switch 100SP4T1B1M2QEH and C&K 7105SYCQE both deliver 5A AC/DC ratings with 120V AC and 28V DC voltage specifications, meeting the majority of standard industrial control applications. The C&K 7105SYCQE carries REACH Affected status, requiring verification against specific end-use regulatory requirements. Selection should prioritize the primary part (5237AB) where current and temperature specifications are critical; substitutes are appropriate where application loads remain within 5A AC and operating temperatures remain above -30°C.

Frequently Asked Questions (FAQ)

Q: Can the E-Switch 100SP4T1B1M2QEH replace the APEM 5237AB in all applications?

A: The E-Switch part is functionally compatible for applications requiring up to 5A AC and 120V AC operation. Applications demanding the full 6A AC rating or operating below -30°C require the primary APEM part or verification that reduced specifications are acceptable.

Q: What is the impact of the 0.15mm difference in panel cutout diameter between the 5237AB and substitute parts?

A: The 5237AB requires a 6.50mm circular cutout, while substitutes require 6.35mm. Existing panel designs with 6.50mm cutouts cannot accommodate substitute parts without modification. New designs should verify cutout dimensions against the selected part.

Q: Are there compliance differences between the APEM and C&K parts?

A: Both maintain ROHS3 compliance. The C&K 7105SYCQE is REACH Affected, while the APEM 5237AB is REACH Unaffected. Applications subject to REACH regulations must confirm compatibility with the C&K part's affected status.

Q: How do electrical life cycle differences affect part selection?

A: The APEM 5237AB provides 50,000 cycles versus 40,000 cycles for substitutes. Applications with high switching frequency should prioritize the APEM part to ensure design life requirements are met.

Q: Can substitutes be used interchangeably in existing designs?

A: Substitutes require verification of panel cutout dimensions, current and voltage requirements, operating temperature range, and regulatory compliance status. Mechanical and electrical compatibility must be confirmed before implementation.