WLH2-LDK43 Equivalent & Substitute Parts

Part Overview

The WLH2-LDK43 is a snap action SPDT switch manufactured by Omron Automation and Safety, designed for chassis mount applications requiring 10A AC / 6A DC switching capacity at 125V AC / 30V DC. The switch features a side rotary roller actuator with IP67 ingress protection and status indicator functionality. This part is currently obsolete, making identification of compatible substitute components essential for system maintenance and new design implementations.

Substiute Parts

WLH2-LDK43

Omron Automation and SafetyIn Stock: 864WLH2-LDK43 Datasheet

Current PartRFQ

WLCA2-LDK43-N

Omron Automation and SafetyIn Stock: 1104WLCA2-LDK43-N Datasheet

SimilarRFQ

Key Parameters

Substitute Part Grouping Explanation

Substitution eligibility for the WLH2-LDK43 is determined by strict equivalence across the following critical parameters:

• Circuit configuration: SPDT (DB/DM)
• Switch function: On-Mom
• Current ratings: 10A AC minimum, 6A DC minimum
• Voltage ratings: 125V AC minimum, 30V DC minimum
• Actuator type: Side Rotary, Roller
• Mounting type: Chassis Mount
• Termination style: Connector
• Ingress protection: IP67 minimum
• Status indicator: Required
• Operating temperature range: -10°C to 80°C minimum

The WLCA2-LDK43-N meets all substitution criteria. This part maintains identical electrical specifications, mechanical mounting configuration, and environmental protection ratings while offering enhanced mechanical durability and active product status.

Parameter Comparison

Engineering Selection Recommendations

The WLCA2-LDK43-N is the direct functional equivalent for the obsolete WLH2-LDK43. Selection of this substitute is based on:

• Identical electrical performance across all rated parameters
• Identical mechanical and environmental specifications
• Active product status ensuring continued availability and supply chain stability
• RoHS compliance certification, meeting current regulatory requirements
• Enhanced mechanical life rating (15,000,000 cycles vs. 10,000,000 cycles), providing extended service life
• Connector termination compatibility with existing WLH2-LDK43 installations

Frequently Asked Questions (FAQ)

Q: Can the WLCA2-LDK43-N directly replace the WLH2-LDK43 in existing applications?

A: Yes. Both parts share identical circuit configuration (SPDT), switch function (On-Mom), current ratings (10A AC / 6A DC), voltage ratings (125V AC / 30V DC), actuator type (Side Rotary, Roller), mounting type (Chassis Mount), termination style (Connector), ingress protection (IP67), and operating temperature range (-10°C to 80°C). Connector compatibility is maintained.

Q: What are the key differences between these parts?

A: The WLCA2-LDK43-N offers enhanced mechanical life (15,000,000 cycles vs. 10,000,000 cycles), active product status versus obsolete status, and RoHS compliance certification. Operating force and release force specifications differ slightly (1360gf / 120gf vs. 1000gf / 100gf) and overtravel is increased (70° vs. 55°), representing design improvements in the newer series.

Q: Is the WLCA2-LDK43-N available in the same packaging as the WLH2-LDK43?

A: The WLH2-LDK43 is packaged as individual units, while the WLCA2-LDK43-N is supplied in bulk packaging. Connector termination style remains identical, ensuring mechanical and electrical compatibility.

Q: What compliance certifications apply to the substitute part?

A: The WLCA2-LDK43-N carries RoHS compliance certification. Both parts are classified under ECCN EAR99 and HTSUS 8536.50.9055.

Q: Are there any electrical performance limitations when substituting the WLCA2-LDK43-N?

A: No. The substitute part maintains identical electrical specifications for all rated parameters: 10A AC / 6A DC current capacity, 125V AC / 30V DC voltage ratings, and 750,000 electrical life cycles.