3-7 DAYS DELIVERY
SKU: cabin: BC14- Henaz
Categories: Relay
100% ORIGINAL AND QUALITY
- Description
- condition: Open box
- Shipping and Refund
- Metafield Tab
Description:
The Woodward SEG MRN321DM is a multifunctional relay for mains monitoring, designed for grid decoupling and network protection applications in industrial and utility power systems. Manufactured by Woodward SEG GmbH & Co. KG in Germany, the MRN321DM delivers comprehensive protection functions including over/under voltage, over/under frequency, rate of change of frequency (ROCOF), and vector shift monitoring — making it a critical component in distributed generation and grid interconnection systems. Industrial procurement teams and EPC contractors in the USA rely on this relay for substation automation and renewable energy integration projects. This unit is available through WeSellStocks.co as surplus wholesale stock, offering verified industrial buyers and MRO teams worldwide access to genuine Woodward SEG protective relay equipment. UAE-based distributors and system integrators actively source the MRN321DM for medium voltage switchgear and protection panel applications. Supplied with the original Woodward High Tech Line User Manuals CD and extraction accessories. Technical datasheet and full configuration details available upon request.
Technical Specifications:
Brand: Woodward SEG (Woodward SEG GmbH & Co. KG, Germany)
Product Type: Multifunctional Relay for Mains Monitoring / Grid Decoupling Relay
Part Number: MRN321DM
FA. No.: 15593977
Industry Category: Power Protection & Control / Electrical Protection Relays / Energy & Utilities
Nominal Voltage (Un): 100V AC
Nominal Frequency (Fn): 50/60 Hz
Auxiliary Supply Voltage (Uv): Wide range 16–360V DC / 16–270V AC
Software Version (Gv): G120
Voltage Rating: 100V AC (nominal measurement voltage)
Current Rating: Available upon request
Power Rating: Available upon request
Input Voltage: 100V AC (measurement); Aux supply 16–360V DC / 16–270V AC
Output Voltage: Available upon request
Mounting Type: Flush panel mounting (draw-out cassette type, 19" rack compatible)
Standards / Compliance: CE marked; G120 firmware; electr. checked (as per label)
Condition: Exchange Unit (Woodward SEG certified surplus / withdrawable electronic module)
Included Accessories: Woodward High Tech Line User Manuals CD; 2x extraction / pull handles (flex cable type with gold-tone locking clip)
Other Confirmed Specs: 4-relay output configuration (Relay 1–4), Serial Interface port, External Reset input, External Blocking input (per wiring diagram MRN3-1/2); KESCO-branded front panel assembly visible (OEM/regional variant); Blue LED indicator array for U<<, U<, U>, U>>, f<, f>, f<<, f>>, ΔΘ, ΔΦ monitoring; TRIP and ENTER controls with SELECT/RESET pushbutton
Application:
The MRN321DM is deployed in medium and low voltage power distribution panels, distributed generation (DG) interconnection systems, and grid protection schemes where mains decoupling is required per utility grid codes. It is commonly installed in solar, wind, and cogeneration plants for islanding detection and automatic disconnection from the public grid. The relay is compatible with standard protection panel architectures and communicates via a serial interface for SCADA integration. Procurement engineers, substation contractors, and panel builders sourcing replacement or surplus Woodward SEG protection relays will find this unit available for immediate supply through WeSellStocks.co.
The Woodward SEG MRN321DM remains one of the most actively sourced multifunctional mains monitoring relays across utility, industrial, and renewable energy projects in North America, the Middle East, and global EPC supply chains. WeSellStocks.co stocks genuine surplus Woodward SEG protective relays available for wholesale purchase, with shipping to the USA, UAE, and international destinations. Buyers seeking MRN321DM distributor pricing, verified stock availability, or bulk procurement of Woodward SEG relay equipment are encouraged to contact WeSellStocks.co directly for a commercial quotation.
Metafields:
brand: Woodward SEG
part_number: MRN321DM
fa_number: 15593977
product_type: Multifunctional Relay for Mains Monitoring / Grid Decoupling Relay
industry_category: Power Protection & Control / Electrical Protection Relays / Energy & Utilities
voltage_rating: 100V AC (nominal); Aux 16–360V DC / 16–270V AC
current_rating: Available upon request
power_rating: Available upon request
input_voltage: 100V AC measurement; 16–360V DC / 16–270V AC auxiliary supply
output_voltage: Available upon request
mounting_type: Flush panel / draw-out cassette mount
standards: CE; G120 firmware; electr. checked
condition: Exchange Unit (Surplus / Withdrawable Module)
stock_quantity_available: Contact for availability
target_markets: USA | UAE | Worldwide
global_shipping: Yes
condition: Open box
class="font-claude-response-body break-words whitespace-normal">condition: Open box
- Shipping Methods
We offer free international shipping on all orders. We ship via DHL, one of the world's leading carriers, to ensure safe and efficient delivery.
- Order Processing Time
Orders are usually processed within 1-2 business days. You will receive an email confirmation once your order has been processed.
-
Shipping address
Please ensure your shipping address is accurate. Incorrect addresses can lead to delays and additional charges for returned or re-addressed orders. Refunds are not applicable in such cases.
- Shipping Timeframes
Estimated delivery time is 3-7 business days for international orders.
- Tracking Information
- Once your order is shipped, we will provide you with a tracking number so you can monitor the progress of your delivery.
- Customs and Import Duties
- Please note that some countries may impose customs and import duties. These fees, if applicable, are the responsibility of the customer.
Returns and ExchangesWe want you to be satisfied with your purchase. If you receive a defective or damaged product, please contact us within 14 days of receiving the item. We will provide instructions on returning the product or, if applicable, offer a replacement or refund.
The authorization for returning products does not indicate any acknowledgment of flaws or non-conformity. We will conduct a technical analysis of the returned product(s), which may take from 1 to 7 working days for Consumers and up to 15 days for non-Consumer purchases.To ensure a smooth return process, please handle the product minimally and use protective packaging that preserves the product's integrity during transport
Return the products within 14 days from reporting the flaw or non-conformity.
DAMAGED PRODUCTS IN TRANSIT
*If you receive damaged products from We Sell Stocks, follow these steps:
- Refuse delivery and inform the courier.
- If accepted, note the damage on the courier's delivery paper.
- Preserve the damaged products, original packaging, and notify us at sales@wesellstocks.co
- Upon product delivery, check for package quantity and intact packaging. Report any discrepancies or damages to the courier immediately.
Sample Return Policy
1. Returns
Option 1 – No Refunds/Exchanges:
We do not accept returns or exchanges unless the item you purchased is defective. If you receive a defective item, please contact us at [•] with details of the product and the defect. You can send the item you consider defective to:
Upon receipt of the returned product, we will fully examine it and notify you via e-mail, within a reasonable period of time, whether you are entitled to a refund or a replacement as a result of the defect. If you are entitled to a replacement or refund, we will replace the product or refund the purchase price, using the original method of payment.
Option 2 – Refunds Permitted:
We accept returns. You can return unopened items in the original packaging within 30 days of your purchase with receipt or proof of purchase. If 30 days or more have passed since your purchase, we cannot offer you a refund or an exchange.
Upon receipt of the returned item, we will fully examine it and notify you via email, within a reasonable period of time, whether you are entitled to a return. If you are entitled to a return, we will refund your purchase price and a credit will automatically be applied to your original method of payment.
Only regular priced items may be refunded. Sale items are non-refundable.
To follow-up on the status of your return, please contact us at [•].
2. Exchanges [Delete if you select Option 1]
We only exchange goods if they are defective or damaged. In circumstances where you consider that a product is defective, you should promptly contact us at [•] with details of the product and the defect. You can send the item you consider defective to:
Upon receipt of the returned product, we will fully examine it and notify you via e-mail, within a reasonable period of time, whether you are entitled to a replacement as a result of the defect. If you are eligible, we will send you a replacement product.
3. Exceptions [May be included if you select Option 2]
Some items are non-refundable and non-exchangeable. These include: [list items]
4. Shipping
To return the item you purchased, please mail it to:
Refunds do not include any shipping and handling charges shown on the packaging slip or invoice. Shipping charges for all returns must be prepaid and insured by you. You are responsible for any loss or damage to hardware during shipment. We do not guarantee that we will receive your returned item. Shipping and handling charges are not refundable. Any amounts refunded will not include the cost of shipping.
