Honeywell 311SM6 Snap Action Switch SPDT Equivalent & Substitute Parts

Part Overview

The Honeywell 311SM6 is an active-status snap action switch with Single Pole Double Throw (SPDT) circuit configuration, rated for 5A at 250V AC and 30V DC. This chassis-mounted switch features a lever roller actuator with solder lug termination and is designed for On-Momentary switching applications. The 311SM6 operates across -55°C to 125°C with a mechanical life rating of 10,000,000 cycles and is RoHS Compliant with MSL 1 (Unlimited).

Substitute parts are identified when equivalent electrical performance, mechanical compatibility, and circuit function can be maintained within the allowed parameter ranges for snap action switch applications. Substitution becomes necessary when the primary part is unavailable, when inventory constraints require alternative sourcing, or when design flexibility permits operation within broader parameter tolerances.

Substiute Parts

311SM6

Honeywell Sensing and Productivity SolutionsIn Stock: 741311SM6 Datasheet

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ABS1112419

Panasonic Electric WorksIn Stock: 1148ABS1112419 Datasheet

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ABS1112503

Panasonic Electric WorksIn Stock: 936ABS1112503 Datasheet

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ABS1112509

Panasonic Electric WorksIn Stock: 2070ABS1112509 Datasheet

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AVL3825613

Panasonic Electric WorksIn Stock: 1347AVL3825613 Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution analysis for the Honeywell 311SM6 is based on the following critical parameters that must be maintained or exceeded:

Circuit and Function Requirements: All substitute parts must maintain SPDT circuit configuration and On-Momentary switch function to preserve electrical behavior in the application.

Electrical Ratings: Substitute parts must support the application's voltage and current requirements. The 311SM6 operates at 5A/250V AC and 30V DC. Substitute parts with lower current ratings (100mA or 2A) are classified as limited substitutes and are only applicable in circuits where actual load current does not exceed the substitute part's rating.

Mechanical Compatibility: All identified substitutes maintain chassis mount configuration and lever actuator design, ensuring physical installation compatibility.

Termination Consideration: The 311SM6 uses solder lug termination, while identified substitutes use Quick Connect 0.110" (2.8mm) termination. This represents a termination style difference requiring circuit board or connector modification.

Environmental and Compliance: Substitute parts must maintain MSL 1 (Unlimited) moisture sensitivity and RoHS or ROHS3 compliance status.

The following substitute parts are identified based on these criteria:

• ABS1112509 and ABS1112503: 2A rated substitutes with matching 30V DC rating and SPDT/On-Momentary configuration
• ABS1112419 and AVL3825613: 100mA rated substitutes with matching 30V DC rating and SPDT/On-Momentary configuration

Parameter Comparison

Engineering Selection Recommendations

Primary Substitutes (ABS1112509, ABS1112503):

The Panasonic ABS1112509 and ABS1112503 are classified as primary substitutes for applications where current requirements do not exceed 2A. Both parts maintain SPDT circuit configuration, On-Momentary function, and 30V DC rating. Both are RoHS or ROHS3 compliant with MSL 1 (Unlimited) status. The ABS1112509 offers higher inventory availability (1991 pcs) compared to ABS1112503 (848 pcs).

Limitations of Primary Substitutes:

AC voltage rating is reduced from 250V to 125V. Applications operating above 125V AC require the original 311SM6. Operating temperature range is narrowed from -55°C to 125°C to -40°C to 85°C. Mechanical life is reduced from 10,000,000 to 5,000,000 cycles. Termination style differs (Quick Connect vs. Solder Lug), requiring circuit modification. Actuator type differs (Straight lever vs. Roller lever).

Secondary Substitutes (ABS1112419, AVL3825613):

The Panasonic ABS1112419 and AVL3825613 are classified as secondary substitutes for low-current applications not exceeding 100mA. Both maintain SPDT circuit configuration and On-Momentary function with 30V DC rating. Both are ROHS3 compliant with MSL 1 (Unlimited) status.

Limitations of Secondary Substitutes:

Current rating is reduced to 100mA, limiting application to signal-level switching only. AC voltage rating is 125V. Operating temperature range is narrower than the primary part. Mechanical life is reduced to 5,000,000 cycles (ABS1112419) or maintained at 10,000,000 cycles (AVL3825613). Termination style differs (Quick Connect vs. Solder Lug). Actuator type differs (Straight lever vs. Roller lever).

Compliance Status:

All substitute parts maintain RoHS or ROHS3 compliance and MSL 1 (Unlimited) moisture sensitivity level, meeting regulatory requirements equivalent to the original 311SM6.

Frequently Asked Questions (FAQ)

Q: Can ABS1112509 or ABS1112503 directly replace the 311SM6 in all applications?

A: No. These substitutes are limited to applications where actual circuit current does not exceed 2A and AC voltage does not exceed 125V. The 311SM6 is rated for 5A at 250V AC. Applications requiring the full 5A/250V rating must use the original part. Additionally, termination style differs (Quick Connect vs. Solder Lug), requiring circuit board modification.

Q: What is the impact of the reduced operating temperature range in substitute parts?

A: The 311SM6 operates from -55°C to 125°C, while Panasonic substitutes operate from -40°C to 85°C (or -25°C for AVL3825613). Applications requiring operation below -40°C or above 85°C must use the original 311SM6.

Q: Are the ABS1112419 and AVL3825613 suitable for power switching applications?

A: No. These parts are rated for 100mA maximum current and are suitable only for signal-level switching, control circuits, and low-power applications. Power switching applications requiring 5A capacity must use the 311SM6 or the 2A-rated ABS1112509/ABS1112503 substitutes (if current does not exceed 2A).

Q: What is the difference between solder lug and quick connect termination?

A: The 311SM6 uses solder lug termination, which requires soldering directly to circuit board pads or wire connections. Panasonic substitutes use Quick Connect 0.110" (2.8mm) termination, which uses push-on connectors. Substitution requires either circuit board redesign to accommodate quick connect terminals or use of adapter connectors.

Q: Do all substitute parts maintain the same mechanical life as the 311SM6?

A: No. The 311SM6 is rated for 10,000,000 mechanical cycles. ABS1112509, ABS1112503, and ABS1112419 are rated for 5,000,000 cycles. Only AVL3825613 matches the 10,000,000-cycle rating. Applications requiring extended mechanical life should prioritize AVL3825613 among secondary substitutes or use the original 311SM6.

Q: Are all substitute parts RoHS compliant?

A: Yes. All identified substitute parts are RoHS Compliant or ROHS3 Compliant, meeting regulatory requirements equivalent to the original 311SM6. All parts maintain MSL 1 (Unlimited) moisture sensitivity level.

Q: What is the actuator type difference between the 311SM6 and substitute parts?

A: The 311SM6 features a lever with roller actuator, while all Panasonic substitutes feature a straight lever actuator. This mechanical difference may affect actuation feel and force distribution but does not prevent functional substitution in most applications. Verify mechanical clearance and actuation requirements in the specific application.

Q: Which substitute part offers the best overall compatibility with the 311SM6?

A: No single substitute part matches all specifications of the 311SM6. Selection depends on application requirements: For applications requiring 2A or less at 125V AC or less, ABS1112509 offers the highest inventory (1991 pcs) and best current capacity. For applications requiring 100mA or less with extended mechanical life, AVL3825613 matches the 10,000,000-cycle rating. For all other applications, the original 311SM6 is required.