Honeywell 13HM1 SPDT Snap Action Switch - Equivalent & Substitute Parts

Part Overview

The Honeywell 13HM1 is a single-pole double-throw (SPDT) snap action switch with chassis mount configuration, rated for 1A DC at 28V. This hermetically sealed switch features a straight lever actuator and solder lug termination, designed for on-momentary switching applications. The part is currently active in production with 729 units in stock. Equivalent and substitute parts are identified based on matching circuit topology (SPDT), actuator type (lever, straight), mounting configuration (chassis mount), and termination style (solder lug), while accommodating variations in electrical ratings and mechanical specifications within acceptable operating parameters.

Substiute Parts

13HM1

Honeywell Sensing and Productivity SolutionsIn Stock: 78513HM1 Datasheet

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DB1C-A1LB

ZF ElectronicsIn Stock: 22554DB1C-A1LB Datasheet

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DC2C-A1LB

ZF ElectronicsIn Stock: 1055DC2C-A1LB Datasheet

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DC3C-A1LB

ZF ElectronicsIn Stock: 14413DC3C-A1LB Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitute parts for the Honeywell 13HM1 are identified based on the following core substitution criteria:

Mandatory Matching Parameters:

• Circuit configuration: SPDT (single-pole double-throw)
• Switch function: On-momentary operation
• Actuator type: Lever with straight actuation
• Mounting configuration: Chassis mount
• Termination style: Solder lug

Allowable Variation Parameters:

• Current rating: Substitutes must support minimum 1A DC operation
• Voltage rating: Substitutes must support minimum 28V DC operation
• Operating temperature range: Substitutes must cover the application temperature window
• Mechanical characteristics: Operating force, pretravel, and differential travel may vary within functional tolerance

The three identified ZF Electronics substitutes (DB1C-A1LB, DC2C-A1LB, DC3C-A1LB) meet all mandatory matching criteria. Each substitute maintains SPDT circuit topology, on-momentary function, lever straight actuator, chassis mount, and solder lug termination. Electrical ratings and mechanical specifications vary to accommodate different application requirements while preserving core switching functionality.

Parameter Comparison

Engineering Selection Recommendations

DB1C-A1LB (ZF Electronics): This substitute provides the highest mechanical life rating (15,000,000 cycles) and supports 1A DC at 48V, exceeding the 13HM1 voltage requirement. The lower operating force (60gf versus 198gf) indicates reduced actuation effort. This part is ROHS3 compliant and carries IP50 ingress protection. Suitable for applications requiring extended mechanical life and higher voltage tolerance.

DC2C-A1LB (ZF Electronics): This substitute is rated for 10A AC at 125V with IP67 ingress protection (dust tight, waterproof). The operating force of 153gf is closer to the 13HM1 specification. Mechanical life is rated at 1,000,000 cycles. ROHS3 compliant. Suitable for applications requiring enhanced environmental sealing and higher AC current capacity.

DC3C-A1LB (ZF Electronics): This substitute is rated for 100mA AC at 125V with IP67 ingress protection. The operating force of 82gf is moderate relative to the 13HM1. Electrical life is specified at 100,000 cycles with 1,000,000 mechanical life cycles. ROHS3 compliant. Suitable for low-current AC applications requiring environmental sealing.

All three substitutes maintain active product status and unlimited moisture sensitivity level (MSL 1). Selection depends on specific application voltage, current, environmental, and mechanical life requirements.

Frequently Asked Questions (FAQ)

Q: Can the DB1C-A1LB substitute for the 13HM1 in a 28V DC circuit?

A: Yes. The DB1C-A1LB is rated for 1A DC at 48V, which exceeds the 13HM1 requirement of 1A DC at 28V. The higher voltage rating provides margin for the specified application.

Q: What is the primary difference between the three ZF Electronics substitutes?

A: The three substitutes differ in current and voltage ratings, ingress protection levels, and mechanical life specifications. DB1C-A1LB supports 5A AC at 125V with IP50 protection. DC2C-A1LB supports 10A AC at 125V with IP67 protection. DC3C-A1LB supports 100mA AC at 125V with IP67 protection. Selection depends on application electrical and environmental requirements.

Q: Are all substitutes RoHS compliant?

A: The 13HM1 is RoHS non-compliant. All three ZF Electronics substitutes (DB1C-A1LB, DC2C-A1LB, DC3C-A1LB) are ROHS3 compliant. This represents an improvement in environmental compliance if regulatory requirements have changed.

Q: Do the substitutes have different operating force specifications?

A: Yes. The 13HM1 has an operating force of 198gf. DB1C-A1LB requires 60gf, DC2C-A1LB requires 153gf, and DC3C-A1LB requires 82gf. Lower operating force indicates easier actuation. Application design must accommodate the mechanical actuation difference.

Q: What is the operating position difference between the 13HM1 and substitutes?

A: The 13HM1 has an operating position of 0.330" (8.4mm). All three ZF Electronics substitutes have an operating position of 0.420" (10.7mm). This represents a 0.090" (2.3mm) increase in travel distance. Mechanical design must verify compatibility with available actuation space.

Q: Can substitutes be used in the same circuit without modification?

A: All substitutes maintain SPDT circuit topology, on-momentary function, and solder lug termination, enabling direct electrical connection. However, mechanical mounting and actuation force differences require verification against specific application constraints before implementation.

Q: Which substitute offers the longest mechanical life?

A: The DB1C-A1LB offers the longest mechanical life at 15,000,000 cycles, compared to 1,000,000 cycles for DC2C-A1LB and DC3C-A1LB. The 13HM1 mechanical life is not specified.

Q: Are all parts available in bulk packaging?

A: The 13HM1 and DC3C-A1LB are specified as bulk packaging. DB1C-A1LB is bulk packaging. DC2C-A1LB packaging is not specified in the provided data.