Equivalent & Substitute Parts for Honeywell BE-2R-A4 Snap Action Switch

Part Overview

The Honeywell BE-2R-A4 is an SPDT snap action switch designed for chassis mount applications requiring 25A at 125V AC. This switch features a round pin plunger actuator with screw terminal connections and is classified as Active product status. The component is RoHS Compliant with MSL Level 1 rating, suitable for industrial control and switching applications across the -55°C to 85°C operating temperature range.

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and circuit configuration can be maintained within the specified parameter tolerances for the intended application.

Substiute Parts

BE-2R-A4

Honeywell Sensing and Productivity SolutionsIn Stock: 892BE-2R-A4 Datasheet

Current PartRFQ

A-20GV22-B

Omron Automation and SafetyIn Stock: 872A-20GV22-B Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Honeywell BE-2R-A4 with the Omron A-20GV22-B is based on the following alignment of critical parameters:

Matching Parameters:

• Circuit configuration: Both SPDT
• Switch function: Both On-Mom
• Voltage rating (AC): Both 125V
• Mounting type: Both Chassis Mount
• Termination style: Both Screw Terminal
• RoHS compliance: Both compliant (RoHS Compliant / ROHS3 Compliant)
• MSL rating: Both Level 1 (Unlimited)
• ECCN classification: Both EAR99

Parameter Variance:

• Current rating (AC): BE-2R-A4 rated 25A; A-20GV22-B rated 20A
• Operating temperature range: BE-2R-A4 operates -55°C to 85°C; A-20GV22-B operates -25°C to 80°C
• Actuator type: BE-2R-A4 uses round pin plunger; A-20GV22-B uses lever roller
• Mechanical life: BE-2R-A4 rated 20,000,000 cycles; A-20GV22-B rated 1,000,000 cycles

The A-20GV22-B functions as a substitute when the application current requirement does not exceed 20A AC and the operating temperature range remains within -25°C to 80°C.

Parameter Comparison

Engineering Selection Recommendations

Primary Part Selection (BE-2R-A4): Select the Honeywell BE-2R-A4 for applications requiring the full 25A AC current capacity, extended operating temperature range (-55°C to 85°C), and maximum mechanical life rating of 20,000,000 cycles. This part maintains Active product status with RoHS Compliant certification and unlimited moisture sensitivity level.

Substitute Part Selection (A-20GV22-B): The Omron A-20GV22-B functions as a substitute when application requirements are limited to 20A AC maximum current, operating temperatures between -25°C and 80°C, and mechanical life expectations of 1,000,000 cycles or less. This part is ROHS3 Compliant with REACH Affected status and provides DC voltage capability at 30V, which the primary part does not specify.

Both parts share identical circuit configuration (SPDT), switch function (On-Mom), AC voltage rating (125V), mounting type (Chassis Mount), termination style (Screw Terminal), and regulatory classification (EAR99). Selection between these parts depends on the specific current, temperature, and mechanical life requirements of the target application.

Frequently Asked Questions (FAQ)

Q: Can the Omron A-20GV22-B directly replace the Honeywell BE-2R-A4 in all applications?

A: No. The A-20GV22-B has a lower current rating (20A versus 25A) and narrower operating temperature range (-25°C to 80°C versus -55°C to 85°C). Substitution is valid only when the application current does not exceed 20A AC and operating temperatures remain within the A-20GV22-B range.

Q: What is the significance of the different actuator types between these parts?

A: The BE-2R-A4 uses a round pin plunger actuator, while the A-20GV22-B uses a lever roller actuator. These different mechanical designs affect the operating force (397-624gf for BE-2R-A4 versus 160gf for A-20GV22-B) and operating position (0.640" versus 1.172"). Physical mounting space and actuation method compatibility must be verified before substitution.

Q: Are both parts RoHS compliant?

A: Yes. The BE-2R-A4 is RoHS Compliant, and the A-20GV22-B is ROHS3 Compliant. Both meet RoHS requirements. The A-20GV22-B additionally carries REACH Affected status.

Q: What is the mechanical life difference between these switches?

A: The BE-2R-A4 is rated for 20,000,000 mechanical cycles, while the A-20GV22-B is rated for 1,000,000 cycles. For high-cycle applications, the BE-2R-A4 provides significantly longer service life.

Q: Does the Omron part offer DC voltage capability?

A: Yes. The A-20GV22-B is rated for 30V DC in addition to 125V AC. The BE-2R-A4 specification does not include a DC voltage rating.

Q: Are the screw terminal connections compatible between these parts?

A: Both parts use screw terminal termination style. However, physical terminal spacing and connector geometry should be verified against the specific application PCB or wiring harness layout before substitution.