Honeywell 91MCE28-SBQ Snap Action Switch - Equivalent & Substitute Parts

Part Overview

The Honeywell 91MCE28-SBQ is a DPST snap action switch rated for 6A at 120V AC with panel mount configuration and connector termination. This component is classified as obsolete, necessitating identification of functionally equivalent alternatives for ongoing system maintenance and new design implementations. The switch features roller plunger actuation, IP67 ingress protection, and is RoHS compliant with unlimited moisture sensitivity rating.

Substiute Parts

91MCE28-SBQ

Honeywell Sensing and Productivity SolutionsIn Stock: 112991MCE28-SBQ Datasheet

Current PartRFQ

83872101

CrouzetIn Stock: 83183872101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the 91MCE28-SBQ is determined by strict equivalence across the following critical parameters:

Mandatory Matching Parameters:

• Circuit configuration: DPST-NO/NC
• Switch function: On-Mom, Off-Mom
• Current rating: 6A AC minimum
• Voltage rating: 120V AC minimum
• Actuator type: Roller Plunger
• Mounting type: Panel Mount
• Ingress protection: IP67 minimum
• Electrical life: 500,000 cycles minimum
• RoHS compliance: Required

Acceptable Variations:

• Termination style: Connector or Cable Leads (both support panel mount integration)
• Operating temperature: Substitute range must encompass or exceed -25°C to 85°C
• Mechanical life: Substitute value may exceed specification
• Packaging format: Original or bulk acceptable

The Crouzet 83872101 meets all mandatory matching parameters and qualifies as a direct substitute.

Parameter Comparison

Engineering Selection Recommendations

The Crouzet 83872101 is qualified as a direct substitute for the obsolete Honeywell 91MCE28-SBQ based on electrical and mechanical parameter equivalence. Both components maintain identical circuit configuration, current and voltage ratings, actuator type, mounting method, and ingress protection classification.

Compliance Status: Both parts are RoHS compliant with MSL rating 1 (unlimited moisture sensitivity), ensuring regulatory alignment for applications requiring environmental compliance documentation.

Operational Considerations: The Crouzet substitute demonstrates superior mechanical life (10,000,000 cycles versus 5,000,000 cycles), providing extended service intervals. The operating temperature range of the Crouzet part (-25°C to 70°C) is narrower than the original (-25°C to 85°C), requiring verification that application maximum operating temperature does not exceed 70°C.

Termination Difference: The original part features connector termination while the substitute provides cable leads with 1m length. Integration into existing panel mount installations requires assessment of connector compatibility or adaptation methodology.

Availability: The Crouzet 83872101 maintains active product status with 745 units in current inventory, ensuring supply chain continuity for the obsolete Honeywell component.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83872101 directly replace the Honeywell 91MCE28-SBQ in existing installations?

A: Electrical and mechanical compatibility is confirmed across all critical parameters. Physical integration requires evaluation of the termination style difference: the original uses connector termination while the substitute provides 1m cable leads. Panel mount configuration is identical for both components.

Q: What is the significance of the operating temperature range difference?

A: The Honeywell part operates to 85°C maximum while the Crouzet part operates to 70°C maximum. Applications requiring operation above 70°C cannot use the Crouzet substitute. Applications with maximum operating temperature at or below 70°C are unaffected by this parameter difference.

Q: Are both parts suitable for the same electrical load conditions?

A: Yes. Both components are rated for 6A AC and 550mA DC with 120V AC and 125V DC voltage ratings. Electrical load capacity is identical between the two parts.

Q: What does the improved mechanical life rating mean for the Crouzet part?

A: The Crouzet 83872101 is rated for 10,000,000 mechanical cycles compared to 5,000,000 cycles for the Honeywell part. This indicates extended durability under repeated actuation, though both parts meet the 500,000 electrical cycle requirement identically.

Q: Are there any regulatory or compliance concerns with substitution?

A: Both parts are RoHS compliant with identical MSL ratings. No regulatory barriers exist for substitution in applications requiring environmental compliance documentation.

Q: How does the cable lead termination affect installation?

A: The Crouzet part includes 1m cable leads instead of a connector interface. Installation requires either direct wire connection to the panel mount assembly or use of an appropriate connector adapter to match existing system interfaces.

Q: Is the Crouzet part currently available for procurement?

A: Yes. The Crouzet 83872101 maintains active product status with 745 units in inventory, ensuring availability for immediate procurement and deployment.