Oriental Motor UDK5214NW-M Stepper Motor Driver – Obsolete CVK Series Spare Part
Oriental Motor UDK5214NW-M Stepper Motor Driver – Obsolete CVK Series Spare Part When a stepper motor driver fails on a…
Model: E2-500-250-A A3723-9215 E2-500-250-NE-D-A-B A3723-9215 4022.436.8816
Product Overview
Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.
Datasheet Preview
Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.
Commercial Path
Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.
Technical Dossier
The ORIENTAL MOTOR E2-500-250-A (cross-reference: A3723-9215 / E2-500-250-NE-D-A-B / 4022.436.8816) is a discontinued 5-phase stepping motor with integrated encoder, widely deployed in precision automation, semiconductor handling, medical device assembly, and high-accuracy positioning systems. As OEM production has ceased, procurement teams face a narrowing window to secure authentic units before secondary-market quality degrades and lead times extend beyond acceptable MRO thresholds.
This page is designed as a practical sourcing reference — not a sales pitch. If your maintenance schedule depends on this motor, the decisions you make in the next procurement cycle will directly affect your plant's unplanned downtime exposure and total cost of ownership.
| Brand | ORIENTAL MOTOR |
| Part Number | E2-500-250-A |
| Cross References | A3723-9215 / E2-500-250-NE-D-A-B / 4022.436.8816 |
| Motor Type | 5-Phase Stepping Motor with Encoder |
| Series | Alpha Series (αSTEP) |
| Country of Origin | Japan |
| OEM Status | Discontinued – Legacy / MRO Supply Only |
| Inventory Status | Limited Stock Available – Verified Pre-Owned / NOS |
| Lead Time | 3–10 business days (subject to stock confirmation) |
| Warranty | 12 Months from shipment date |
| Minimum Order Quantity | 1 unit |
| Accepted Currencies | USD, EUR, CNY, HKD |
Procurement managers evaluating the E2-500-250-A face a classic TCO dilemma: the unit price of a secondary-market stepping motor appears higher than a generic substitute, but the true cost comparison must account for re-engineering, re-commissioning, and the risk of compatibility failure mid-production.
Spare Parts Turnover Rate: For discontinued precision motors, the industry benchmark for acceptable spare parts turnover is 6–18 months of forward coverage. Sourcing a single unit reactively after failure typically costs 2–4× more than planned procurement, factoring in expedited freight, emergency labor, and lost production output.
Total Cost of Ownership (TCO) Breakdown:
Our recommendation: procure 1–3 units as buffer stock now. The carrying cost is negligible compared to the downtime risk of a zero-inventory position on a discontinued critical drive component.
Every unit shipped by DriveKNMS undergoes a pre-shipment inspection protocol. We do not list stock we cannot physically verify. For the E2-500-250-A, this means:
We are not a catalog distributor. DriveKNMS operates as a specialized industrial spare parts sourcing agent with a focus on discontinued, hard-to-find, and long-lead-time drive components. Here is what that means in practice:
Q: What payment terms are available?
A: Standard terms are 100% T/T in advance for first-time orders. Established buyers may apply for Net 30 or 50% deposit / 50% before shipment terms after the first transaction.
Q: What is the warranty policy for discontinued parts?
A: All units carry a 12-month functional warranty from the shipment date. If a unit fails under normal operating conditions within the warranty period, we will replace or refund — no dispute required.
Q: Are volume discounts available?
A: Yes. Orders of 3+ units receive preferential pricing. Orders of 10+ units qualify for a formal pricing agreement. Contact us with your annual requirement for a framework quote.
Q: What is the return process?
A: Returns are accepted within 30 days of receipt for units in original, uninstalled condition. Warranty returns are accepted at any time within the 12-month period. Return freight is covered by DriveKNMS for confirmed defective units.
Q: Can you source compatible replacement models if this unit is unavailable?
A: Yes. Our engineering team can identify compatible ORIENTAL MOTOR alternatives or cross-brand equivalents (e.g., Sanyo Denki, Vexta) with equivalent step angle, torque, and encoder resolution. We will document the compatibility rationale for your engineering sign-off.
Q: Do you provide MSDS or RoHS compliance documentation?
A: Available upon request for applicable product categories. Please specify your compliance requirements in your RFQ.