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KOYO Solid-shaft Incremental Rotary Encoder TRD-S400A
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100% Original
Genuine OEM Parts
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Shipped via FedEx / DHL / UPS
12-Month Warranty
Worry-Free Coverage
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We will match your request with our 5,000+ verified suppliers and issue a quotation.
Popular Compatible Models
Output Voltage("L"):0.4 V or lower
Load Supply Voltage(Output):30 V DC or lower
Output Current:Up to 30 mA(Sink Current)
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: What quality certificates or compliance documentation can be provided with the shipment?
A: Upon request, we provide standard manufacturer compliance documentation, including Certificates of Conformance (CoC), factory inspection reports, and CE/RoHS certification data sheets to ensure alignment with international regulatory and safety standards.
Q: How are long-term component supply risks handled if our factory relies heavily on a specific part sourced from your platform?
A: We offer supply chain buffering and safety stock agreements for industrial clients. By sharing your annual procurement forecast, we can pre-allocate inventory in our warehouses to guarantee a continuous, predictable supply and protect your production lines from market shortages.
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.
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Q&A
Q: Can I change my shipping address after placing an order?
A: If you need to change your shipping address after placing an order, please contact our customer service team as soon as possible. We will assist you in updating the address if it's still possible.
Q: How can I check the status of my refund?
A: To check the status of your refund, you can contact our customer service team and provide them with the necessary details, such as your order number and refund request. They will assist you in tracking the progress of your refund.
Q: Do I need to pay for shipping when returning a product?
A: According to our return policy, if the return is due to product quality issues or our mistake, we will cover the return shipping fee. If it's for other reasons, the return shipping fee may be borne by you. Please refer to our return policy for specific details.
Customer reviews
May 10, 2026
Jackie JohnsonGREAT INVENTORY and GREAT PRICES ! as always - Thank youHelpful?(8)(0)Apr 01, 2026
Abdul SattarThe website is really easy to get around and use.Helpful?(0)(0)