Honeywell 91MCE2-SBQ Snap Action Switch: Equivalent & Substitute Parts

Part Overview

The Honeywell 91MCE2-SBQ is a DPST snap action switch rated for 6A at 120V AC with roller plunger actuation and chassis mount configuration. This component is classified as obsolete, making identification of functionally equivalent alternatives essential for ongoing system maintenance and new design implementations. The switch provides dual-pole, single-throw contact configuration with momentary operation in both on and off positions, suitable for industrial control and safety applications requiring sealed, waterproof operation.

Substiute Parts

91MCE2-SBQ

Honeywell Sensing and Productivity SolutionsIn Stock: 66791MCE2-SBQ Datasheet

Current PartRFQ

83871101

CrouzetIn Stock: 73983871101 Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution of the Honeywell 91MCE2-SBQ is determined by strict equivalence across the following critical electrical and mechanical parameters:

Electrical Equivalence Criteria:

• Circuit configuration: DPST-NO/NC
• Switch function: On-Mom, Off-Mom
• Current rating: 6A AC minimum
• Voltage rating: 120V AC minimum

Mechanical Equivalence Criteria:

• Actuator type: Roller Plunger
• Mounting type: Chassis Mount
• Ingress protection: IP67 minimum
• Operating temperature range: Must encompass or match -25°C to 85°C

Compliance Criteria:

• RoHS Compliant status required
• Electrical life: 500,000 cycles minimum

The Crouzet 83871101 satisfies all primary electrical and mechanical substitution criteria. Variations in operating force, mechanical life, and termination style represent design differences that do not preclude functional equivalence within the specified parameter envelope.

Parameter Comparison

Engineering Selection Recommendations

Primary Substitute: Crouzet 83871101

The Crouzet 83871101 provides functional equivalence to the obsolete Honeywell 91MCE2-SBQ across all critical electrical parameters: DPST-NO/NC circuit, 6A AC / 550mA DC current rating, 120V AC / 125V DC voltage rating, and IP67 ingress protection. Both components are RoHS Compliant and rated for 500,000 electrical cycles.

Operational Considerations:

The Crouzet 83871101 operates within a temperature range of -25°C to 70°C, which is 15°C lower than the Honeywell specification of -25°C to 85°C. Applications requiring operation above 70°C require thermal analysis to confirm compatibility.

The Crouzet 83871101 features cable leads with 1m length, whereas the Honeywell 91MCE2-SBQ uses connector termination. System integration requires evaluation of the termination interface and potential modification of connection methodology.

The Crouzet 83871101 demonstrates superior mechanical life rating of 10,000,000 cycles compared to the Honeywell specification of 5,000,000 cycles, indicating enhanced durability in high-cycle applications.

Both components maintain active or equivalent product status with current manufacturing availability, supporting long-term supply chain continuity.

Frequently Asked Questions (FAQ)

Q: Can the Crouzet 83871101 directly replace the Honeywell 91MCE2-SBQ in existing assemblies?

A: Electrical and mechanical functionality are equivalent. However, the Crouzet component uses cable leads termination instead of connector termination. Direct mechanical substitution requires interface adaptation or connector retrofit.

Q: What is the significance of the 15°C temperature range difference?

A: The Crouzet 83871101 is rated to 70°C maximum operating temperature, while the Honeywell 91MCE2-SBQ extends to 85°C. Applications operating above 70°C require thermal verification to confirm the Crouzet component remains within safe operating parameters.

Q: Are both components RoHS Compliant?

A: Yes. Both the Honeywell 91MCE2-SBQ and Crouzet 83871101 are RoHS Compliant, meeting environmental and regulatory requirements for lead-free manufacturing.

Q: What does the "On-Mom, Off-Mom" switch function indicate?

A: This denotes momentary operation in both directions: the switch returns to neutral when released from the on position and returns to neutral when released from the off position. Both contacts do not remain latched.

Q: How do the mechanical life ratings compare?

A: The Crouzet 83871101 is rated for 10,000,000 mechanical cycles, exceeding the Honeywell 91MCE2-SBQ specification of 5,000,000 cycles. This indicates enhanced mechanical durability in high-frequency actuation applications.

Q: What is the significance of IP67 ingress protection?

A: IP67 rating indicates dust-tight and waterproof operation. The component is protected against temporary immersion in water up to 1 meter depth for 30 minutes, suitable for harsh industrial environments.

Q: Does the Crouzet 83871101 include cable length specifications?

A: Yes. The Crouzet 83871101 features 1-meter cable leads as standard. Cable length requirements differing from 1 meter require evaluation of custom lead options or external wiring solutions.