IP65 vs IP67 Limit Switch
Which Protection Rating Should You Choose?

Choosing Between IP65 and IP67 Limit Switches

Choosing between an IP65 and an IP67 limit switch comes down to one question: how much water will the switch face? Both ratings are fully dust-tight, so the deciding factor is whether your switch must survive water jets (IP65) or temporary immersion (IP67). Specifying the wrong one means either paying for protection you don't need, or — worse — installing a switch that fails when moisture gets in. This guide makes the choice simple.

Understanding the IP Code

The IP (Ingress Protection) rating from IEC 60529 has two digits. The first describes protection against solids (dust), the second against liquids (water):

• First digit "6" — completely dust-tight (no dust ingress). Both IP65 and IP67 share this.
• Second digit "5" (IP65) — protected against low-pressure water jets from any direction.
• Second digit "7" (IP67) — protected against temporary immersion (up to 1 m deep, 30 minutes).

So the only difference between IP65 and IP67 is the level of water protection.

IP65 vs IP67 at a Glance

Feature	IP65 Limit Switch	IP67 Limit Switch
Dust protection	Dust-tight	Dust-tight
Water protection	Low-pressure water jets	Temporary immersion (1 m / 30 min)
Withstands washdown	Light wash / splash	Heavy washdown
Survives submersion	No	Yes (temporary)
Typical environment	Dusty / splash-prone	Wet / immersion risk
Relative cost	Lower	Higher

When to Choose an IP65 Limit Switch

Choose an IP65 limit switch when the environment is dusty or subject to splashing and rain, but not immersion:

• Outdoor gates, barriers, and parking systems
• Cement, mineral, woodworking, and metal-fabrication plants (high dust)
• Dusty warehouses and bulk material handling
• Agricultural machinery exposed to dust and rain

IP65 typically costs less, so if immersion is genuinely not a risk, it is the economical, correctly-specified choice.

When to Choose an IP67 Limit Switch

Choose an IP67 limit switch when the switch will be heavily washed down or may be submerged:

• Food, beverage, and dairy washdown lines
• Pharmaceutical and hygienic processing
• Water and wastewater treatment plants
• Car washes and cleaning systems
• Outdoor equipment in flood-prone or coastal locations

If there is any realistic chance of immersion or high-pressure washdown, IP67 is the safer specification.

A Simple Decision Rule

Ask: "Could this switch ever sit in standing water or be hosed at high pressure?"

• No, but it gets dusty/wet from splashing → IP65.
• Yes, immersion or heavy washdown is possible → IP67.

For protection beyond temporary immersion (continuous submersion), you would step up to IP68. For a complete selection framework covering actuator type, load, and mounting too, see our limit switch selection guide.

Why Source Sealed Limit Switches from Voxintech

As a leading manufacturer and supplier of limit switches in India, Voxintech supplies both IP65 and IP67 limit switches in vertical, horizontal, and micro actuator styles to OEM machine builders and panel builders across India, from our Noida, Delhi NCR base. We help you confirm the correct sealing level for your environment so you pay for the protection you need — no more, no less — with ready stock and competitive pricing.

Not sure which rating fits your site? Send your environment details to Voxintech and we'll recommend the right switch.