DX21-M2 ALSTOM Digital Excitation Controller

Description

ALSTOM DX21-M2 Digital Excitation Controller
Basic Information
Brand: ALSTOM (CONVERTEAM)
Model: DX21-M2
Product Name: ALSTOM MICROTECH DX21-M2 Digital Excitation Controller
Dimensions: 150 mm × 240 mm × 350 mm
Weight: 2.9 kg (shipping)
Operating Temperature: 0 °C to +55 °C (industrial indoor; storage −40 °C to +70 °C)
Country of Origin: United Kingdom
Customs Code: 9032.89.90 (industrial automatic control digital controllers)

Input / Output
Sensing Voltage: 100–120 VAC, 50/60 Hz, 1 VA per phase; zero phase-shift design
Composite Current Input: 1 A (secondary), 1 VA load
Accuracy: BS7625 Class 1
Auxiliary I/O: Standard industrial digital/analog channels; supports communication with host systems and manual control modules (e.g., MCI 5-M2)
Core Characteristics & Protection
Redundancy: Dual-CPU hot backup; seamless master/standby switchover, no single point of failure
Control Precision: High-precision AC digital sampling; fast response voltage/reactive power regulation
Protection Functions: Overexcitation limit, underexcitation limit, forced excitation inverse time limit, V/F limit, stator overvoltage protection; ZnO nonlinear resistors for rapid de-excitation
Environmental Immunity: Industrial-grade EMI resistance for power plant and industrial environments
Scalability: Modular expansion; supports standard protocols for remote monitoring, diagnosis, and system integration
Mechanical: Compact, lightweight, rugged construction for long-term unattended operation

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Shipping:
1. Your item will be shipped to all countries via EMS, unless one country cannot be shipped via EMS. We will choose DHL, UPS, or FedEx. Please leave us your phone number.
2. We will ship the product to you on the same day or within 1-2 working days after receiving your payment. The shipping time depends on the country/region where you reside, the customs and habits of your country/region, and especially during peak hours.
3. Assuming (assuming) that the item requires payment of tariffs from your country, the buyer is obligated. We are not responsible for any taxes or customs fees in your country/region.

Return Policy:
1. Please contact us before returning the item.
2. The buyer should inform the seller of all returned items within 7 days after receiving the package. We reserve the right to reject any request to inform the seller for more than 7 days.
3. Returned products must have all original packaging and be in good condition.

Response policy:
If you are satisfied with the purchase, please leave us an active response.
2. If you have any questions about the outcome of the transaction or product, please contact us first and we will do our best to satisfy you!
3. Please do not reply with negative feedback before contacting us!

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