The KST DKR500 is a high-performance stainless steel flame proof limit switch engineered for demanding industrial locations. Featuring a robust SS304 stainless steel housing and industry-leading Bt6 explosion-proof rating, this industrial limit switch delivers consistent position detection and critical safety control in corrosive and explosive atmospheres. Ideal for oil & gas, food processing, and chemical manufacturing operations, it supports flexible OEM/ODM customization to align with your unique project specifications.
Certified to Bt6 explosion-proof standards, the DKR500 is designed to safely contain and extinguish internal explosions, preventing ignition of surrounding hazardous gases and dusts. This compliance eliminates costly safety violations and protects your workforce in Zone 1 and Zone 21 classified areas, meeting stringent international safety requirements.
Constructed from premium SS304 stainless steel, the switch housing offers exceptional resistance to corrosion, rust, impact, and moisture. This rugged construction ensures reliable operation in harsh industrial environments including wet, acidic, alkaline, and dusty conditions, extending product lifespan and reducing maintenance downtime by up to 60% compared to standard plastic or aluminum alternatives.
Equipped with high-precision silver alloy contacts, the DKR500 delivers stable electrical performance with minimal contact bounce. It boasts a mechanical life of 1×10^6 cycles and an electrical life of 1×10^5 cycles, ensuring long-term dependability even under continuous heavy-duty operation.
We understand that every industrial application has unique requirements. Our experienced engineering team provides comprehensive customization services including tailored housing materials, modified explosion-proof ratings, custom contact configurations, specialized wiring options, and private labeling. We work closely with industrial buyers to develop solutions that perfectly match their project needs.
Parameter | Specification |
Model Number | DKR500 |
Housing Material | SS304 Stainless Steel |
Explosion-Proof Rating | Bt6 |
Rated Voltage | AC 250V / DC 24V |
Rated Current | 10A (AC) / 5A (DC) |
Contact Type | NO+NC (1 Normally Open, 1 Normally Closed) |
Mechanical Life | 1×10^6 cycles |
Electrical Life | 1×10^5 cycles |
Protection Degree | IP66 (Dust-tight, Water-jet resistant) |
Operating Temperature | -40℃ to +85℃ |
Mounting Type | Side Mount / Top Mount (Optional) |
Connection Type | M20×1.5 Cable Gland |
Certification | ATEX, IECEx, CE, ISO9001:2015 |
Perfect for pump valve control, conveyor belt position monitoring, tank level detection, and drilling rig safety systems in onshore and offshore facilities.
Meets strict hygiene requirements, making it ideal for food production lines, filling equipment, washing systems, and packaging machinery.
Corrosion-resistant and easy to clean, suitable for automated production equipment in cleanroom and sterile manufacturing environments.
Resists chemical corrosion from acids, alkalis, and solvents, used for reactor vessel control, pipeline valve positioning, and storage tank safety systems.
Withstands heavy impact and dust exposure, ideal for mining equipment, conveyor systems, and metallurgical processing machinery.
Customization Scope: Housing material (SS316 optional), explosion-proof rating, contact configuration, wiring method, brand logo, and packaging
MOQ Requirements: 50 pieces for logo customization, 100 pieces for full product customization
Lead Time: 7-15 days for sample orders, 25-35 days for bulk production
Engineering Support: Dedicated technical team provides professional product design and application guidance
Quality Control: 100% inspection before shipment with detailed test reports provided
All our flame proof limit switches are manufactured in state-of-the-art facilities under strict ISO9001:2015 quality management system standards. The DKR500 has obtained ATEX, IECEx, and CE certifications, ensuring full compliance with international safety regulations. We stand behind our products with a 12-month comprehensive warranty and lifetime technical support.
The DKR500 features a Bt6 explosion-proof rating, making it suitable for use in Zone 1 and Zone 21 hazardous locations where flammable gases or dusts may be present.
Yes, the SS304 stainless steel housing is corrosion-resistant and easy to clean, meeting the hygiene requirements of food and beverage processing applications.
Absolutely. We offer extensive OEM/ODM customization services including housing material, contact configuration, wiring options, and private labeling to meet your specific needs.
The minimum order quantity is 50 pieces for logo customization and 100 pieces for full product customization.
Our DKR500 limit switch is certified to ATEX, IECEx, and CE standards, and our manufacturing facilities are ISO9001:2015 certified.
