D2HW-ER201H Waterproof Micro Switch – Car Door Lock Button

D2HW-ER201H Waterproof Micro Switch – Compact & Reliable

The D2HW-ER201H Waterproof Micro Switch is a high-quality, compact switching component engineered for dependable performance across automotive, home appliance, and industrial control applications. With its sealed, dust-proof and waterproof construction, this micro switch is built to withstand demanding environments while maintaining consistent, long-lasting operation.

Key Features

• Waterproof & Dust-Sealed Design: Fully sealed housing protects internal contacts from moisture, dust, and debris — ideal for car door lock mechanisms and outdoor applications.
• Compact Structure: Measures just 1.4 × 1.5 cm (0.55 × 0.59 in), making it easy to fit into tight spaces and compact assemblies.
• Metal + Plastic Construction: Combines a durable metal frame with a robust plastic body for excellent structural integrity and longevity.
• Wide Application Range: Suitable for automobile control systems, home appliance controls, and industrial machinery — a versatile replacement or upgrade component.
• Long Service Life & High Reliability: Designed for repeated actuation cycles, ensuring consistent switching performance over extended use.
• Model Compatibility: Specifically designed for model D2HW-ER201H — always verify your vehicle or device specification before ordering.

Specifications

Compatible Applications

This micro switch is commonly used in:

• Car door lock systems and automotive control units
• Home appliances (washing machines, refrigerators, dishwashers)
• Industrial control panels and machinery
• DIY electronics projects requiring a reliable sealed switch

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Please Note: Minor dimensional variations may occur due to manual measurement. Color may appear slightly different depending on your monitor's display settings. Please confirm model compatibility (D2HW-ER201H) before purchasing.

For guidance on electrical component safety standards, refer to the U.S. Consumer Product Safety Commission (CPSC).

Learn more: Miniature snap-action switch

Frequently Asked Questions

Q: What is the D2HW-ER201H micro switch used for?

A: The D2HW-ER201H is a waterproof micro switch commonly used in car door lock systems, home appliances (such as washing machines and refrigerators), and industrial control equipment. Its sealed design makes it ideal for environments where moisture or dust exposure is a concern.

Q: Is this micro switch truly waterproof?

A: Yes, the D2HW-ER201H features a fully sealed, waterproof and dust-proof construction that protects the internal switching contacts from liquids and particulate matter, ensuring reliable performance in wet or dusty conditions.

Q: How do I know if this switch is compatible with my vehicle or appliance?

A: Check your vehicle's or appliance's service manual or existing switch label for the model number. This switch is specifically designed to match the D2HW-ER201H specification. If you are unsure, consult a qualified technician before purchase.

Q: What materials is this micro switch made from?

A: The switch body is constructed from a combination of durable metal and plastic, providing a strong, lightweight form factor suited for both automotive and industrial environments.