NKK Switches P2023B Toggle Switch DPDT Equivalent & Substitute Parts

Part Overview

The NKK Switches P2023B is a panel-mount toggle switch with DPDT (Double Pole Double Throw) circuit configuration, rated for 10A at 125V AC. This component features a standard round actuator with 17.50mm length and solder lug termination. The P2023B is classified as obsolete, making identification of suitable substitute components essential for ongoing system maintenance and new design implementations where equivalent functionality is required.

Substiute Parts

P2023B

NKK SwitchesIn Stock: 1053P2023B Datasheet

Current PartRFQ

S7A

NKK SwitchesIn Stock: 1007S7A Datasheet

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Key Parameters

Substitute Part Grouping Explanation

Substitution of the P2023B is determined by the following critical parameters that must remain consistent or be compatible with the original application:

Mandatory Matching Parameters:

• Circuit configuration: DPDT
• Switch function: On-Off-On
• Mounting type: Panel Mount
• Actuator type: Standard Round
• Actuator length: 17.50mm
• Termination style: Solder Lug
• Panel cutout dimensions: Circular - 12.50mm Dia
• Bushing thread: M12 x 1

Allowable Variation Parameters:

• Current rating: May be equal or higher
• Voltage rating: Must support minimum 125V AC
• Operating temperature range: May be narrower if application requirements are met
• Product status: Active status preferred for long-term availability

The NKK Switches S7A meets all mandatory matching parameters while providing enhanced current rating capability (20A AC/DC versus 10A AC), making it a valid substitute for applications within the P2023B's original specifications.

Parameter Comparison

Engineering Selection Recommendations

The NKK Switches S7A is the designated substitute for the obsolete P2023B. Selection of the S7A is supported by the following factors:

Mechanical Compatibility: The S7A maintains identical panel mount configuration, actuator geometry, and termination style, ensuring direct replacement without mechanical redesign or panel modification.

Electrical Compatibility: The S7A provides equal or superior electrical ratings across all parameters. The 125V AC rating matches the original specification, while the enhanced 20A AC/DC capability and 30V DC rating provide additional application flexibility without compromising the original 10A AC requirement.

Compliance Status: Both components maintain ROHS3 compliance and REACH unaffected status. The S7A's active product status ensures long-term availability and supply chain continuity compared to the obsolete P2023B.

Operational Constraints: The S7A operating temperature range (-10°C ~ 70°C) is narrower than the P2023B (-10°C ~ 85°C). Applications requiring operation above 70°C must evaluate this limitation against specific system requirements.

Frequently Asked Questions (FAQ)

Q: Can the S7A directly replace the P2023B without any modifications?

A: Yes. The S7A maintains identical mechanical and electrical interface specifications. Panel cutout dimensions, bushing thread, actuator length, and termination style are identical, enabling direct substitution without panel or circuit modifications.

Q: What is the primary advantage of using the S7A over the P2023B?

A: The S7A provides doubled current capacity (20A versus 10A) while maintaining all mechanical compatibility parameters. Additionally, the S7A is an active product with guaranteed supply availability, whereas the P2023B is obsolete.

Q: Are there any operational limitations when substituting the S7A for the P2023B?

A: The S7A maximum operating temperature is 70°C, compared to 85°C for the P2023B. Applications requiring sustained operation above 70°C must confirm compatibility with the S7A's thermal specification.

Q: Do both components share the same circuit configuration and switch function?

A: Yes. Both the P2023B and S7A are DPDT toggle switches with On-Off-On function, ensuring identical switching behavior and circuit logic.

Q: What compliance certifications apply to the S7A?

A: The S7A maintains ROHS3 compliance and REACH unaffected status, matching the regulatory compliance profile of the P2023B.