Certification | Testing
Factory CertifiedRefund guarantee
24h refund guaranteeSecure Payment
PayPal Verified
KOYO Hollow-shaft Incremental Rotary Encoder TRD-2EH400A
Payment Methods

Need a Same-Day Quote?
Need help confirming model compatibility?
100% Original
Genuine OEM PartsFast Delivery
Shipped via FedEx / DHL / UPS12-Month Warranty
Worry-Free CoverageSecure Packaging
Safe & Reliable5,000+ Global Suppliers
Trusted by Professionals
Professional Model-Matching System
Send us your model numbers or nameplate details.
We will match your request with our 5,000+ verified suppliers and issue a quotation.
Popular Compatible Models
Cross-Reference Brands
Output Voltage("L"):0.4 V or lower
Load Supply Voltage:30 V DC or lower
Output Current(Sink):Up to 30 mA
Consumption Current(No Load):50mA or lower
Maximum Response Frequency:200 kHz
Why Global Buyers Choose O&Kmarts
- Access to a wide range of SKUs across multiple brands and series
- One RFQ connects you to 5,000+ global supplier quotes
- Better availability for urgent and hard-to-find parts
- Faster global delivery via FedEx / DHL / UPS
- Easier access to rare and high-value models
- Flexible sourcing for individual parts or complete solutions
- Lower MOQs and more adaptable buying options
- Multi-brand procurement in one order
- OEM replacement and alternative model solutions available
- Fewer intermediaries, ensuring more competitive pricing
Why Global Buyers Choose O&Kmarts
- Limited to fast-moving SKUs only
- Limited local market availability
- Inventory frequently fails to meet urgent demand
- Long replenishment cycles, often taking weeks
- Rarely stock high-value compressors (e.g. Copeland YHV119)
- Frequently require bundled purchases
- Rigid and difficult MOQ negotiations
- Limited brand selection
- Minimal or no customization capability
- Higher local distribution and markup costs
Top Questions from OKmarts Buyers
Q: How does OKmarts ensure data privacy and cybersecurity regarding our corporate blueprints and proprietary purchase data?
A: We protect your data using enterprise-grade SSL encryption and secure cloud architectures. Any technical blueprints, system designs, or proprietary engineering files uploaded to our servers for customization or compatibility analysis are treated under strict confidentiality protocols and non-disclosure standards.
Q: What secure payment methods are supported for high-value international B2B transactions?
A: To ensure transaction security and accommodate standard corporate purchasing workflows, we support secure international Telegraphic Transfers (T/T Wire), major corporate Credit Cards, PayPal, and Letter of Credit (L/C) frameworks for large-scale procurement contracts.
Q: How can I track my shipment's exact location, customs milestones, and estimated delivery hour?
A: Immediately upon dispatch, the platform automatically generates an international tracking link integrated with carriers like DHL, FedEx, or UPS. Real-time API tracking is accessible directly from your OKmarts account dashboard, displaying live transit status, customs clearance progression, and finalized delivery updates.
Related Products
Q&A
Q: How can I write a review for a purchased product?
A: After completing the order, you can go to the order page and select the items you want to review from the product list. You can share your shopping experience, and feedback on product quality and service to help other buyers make better decisions.
Q: Can I pre-order items that are not yet released?
A: Yes, we may offer pre-order options for certain items that are not yet released. Pre-ordering allows you to secure your item in advance, and we will ship it to you as soon as it becomes available.
Q: Can I change the delivery address after placing an order?
A: If you need to change the delivery address after placing an order, please contact our customer service team as soon as possible. Depending on the order status and shipping progress, we will do our best to accommodate your request.







