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Delta Electronics VFD4A8MS21ANSAA — technical reference listing by SHLY-PLC
The Delta Electronics VFD4A8MS21ANSAA is a delta vfd ac drive supplied by SHLY-PLC as a tested spare and replacement component for industrial automation, electrical distribution and process-control systems. It is intended for maintenance, retrofit and urgent-breakdown orders; please confirm fitment against your machine, circuit diagram or existing part number before ordering.
| Product status | New - tested and inspected by SHLY-PLC |
|---|---|
| Manufacturer | Delta |
| Order number / SKU | VFD4A8MS21ANSAA |
| Product family / series | Delta VFD AC drive |
| Series | MS300 |
| Output frequency | Standard models: 0 to 599 Hz High speed models: 0 to 1,500 Hz (V/f control for IM motor only) |
| Dual rating design | 120% for 60 seconds for Normal Duty (ND) 150% for 60 seconds for Heavy Duty (HD) |
| Built-in PLC program with 2K steps capacity | Built-in PLC program with 2K steps capacity |
| Built-in brake choppers for the entire series | Built-in brake choppers for the entire series |
| Removable 5-digit LED keypad for remote operation | Removable 5-digit LED keypad for remote operation |
| Safety standard compliance | Safe Torque Off (SIL2/PLd) |
| Multi-motor Control，built-in four IM motor control | Multi-motor Control，built-in four IM motor control parameters |
| Optional built-in Class A (C2) standard EMC filter | Optional built-in Class A (C2) standard EMC filter for 1-phase 230V, 3-phase 460V models |
| One high speed pulse input terminal MI7 built-in w | One high speed pulse input terminal MI7 built-in with maximum speed up to 33kHz |
| One high speed pulse output terminal DFM built-in | One high speed pulse output terminal DFM built-in with maximum speed up to 33kHz |
| New PCB coating for circuit (IEC 60721-3-3 class 3 | New PCB coating for circuit (IEC 60721-3-3 class 3C2) and thermal design suitable for harsh environment applications |
| Built-in RS-485 (Modbus) and various communication | Built-in RS-485 (Modbus) and various communication card options : CANopen, PROFIBUS DP, DeviceNet, Modbus TCP, EtherNet/IP, EtherCAT, PROFINET |
Parameters compiled from the manufacturer's public product documentation. Full electrical ratings, dimensions and approvals are available on the official manufacturer datasheet or on request before ordering. 12-month seller warranty provided by SHLY-PLC.
To confirm fitment, share your machine model, tag number, circuit-diagram reference or existing device label. Cross-references are matched by function, electrical interface, rated current/voltage and mounting rather than by brand name alone.
Warranty: 12-month seller warranty provided by SHLY-PLC. See our Return Policy for coverage and claims.
Shipping: Orders are processed within 1–2 business days after payment confirmation. US & Canada dedicated line.
A: Every VFD4A8MS21ANSAA supplied by SHLY-PLC is covered by our 12-month seller warranty. Contact our team for RMA and return instructions.
A: In-stock units are dispatched within 1–2 business days. Standard delivery 5–8 business days; express 2–4 business days to the US and Canada.
A: SHLY-PLC is an independent supplier of tested spare and replacement automation parts. We confirm compatibility by your machine, tag number or existing part number before dispatch.
A: If the exact variant is obsolete, our team will propose the current-production equivalent or a compatible alternative before your order is confirmed.
Standard (US & Canada, tracked courier): delivered in 5–8 business days. In-stock items are processed within 2–4 business days. USD 25 flat rate on orders under $500.00; free on orders of $500.00 and above.
Express (DHL Express / FedEx International): upgraded expedited delivery in 2–4 business days. The Express surcharge is calculated at checkout based on destination and order weight.
Non-Stock / On-Order items ship on request: dispatch time is confirmed before your order — see our Shipping Policy. Shipping charges and available services are displayed at checkout. See the Shipping Policy for details.
Every product is covered by a 12-month seller warranty provided by SHLY-PLC, effective from the date of delivery, against defects in materials and workmanship under normal use.
This warranty does not cover damage from misuse, improper installation, power surges, neglect, unauthorized repair, or normal wear and tear. See our Return Policy for warranty-claim instructions.
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