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Siemens 3RB1253-0FM40 Solid-State Overload Relay 50–205A 3 Poles 220–240V
$449.00
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- Description
- condition: used
- Tested✅
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Description:
The Siemens 3RB1253-0FM40 solid-state overload relay is a high-performance motor protection device widely sourced by industrial procurement teams, EPC contractors, and MRO buyers across global markets. Part of the Siemens 3RB12 series, this electronic overload relay integrates a current transformer module for accurate phase-current monitoring, ground fault detection, and overload protection in heavy-duty three-phase motor control applications. With an adjustable current range of 50–205A and Class 5–30 trip classification, it is suited for demanding industrial environments including manufacturing plants, process industries, and infrastructure projects. Available through WeSellStocks.co as surplus and wholesale industrial stock, this unit is ready for immediate procurement. Industrial buyers in the USA rely on Siemens 3RB series relays for reliable motor protection in control panels, while procurement teams in the UAE specify this product for automation and utilities projects. Worldwide shipping is available for single units and bulk orders.
Technical Specifications:
Brand: Siemens
Product Type: Solid-State Electronic Overload Relay with Current Transformer Module
Part Number: 3RB1253-0FM40
Series: 3RB12
Industry Category: Industrial Automation / Motor Control & Protection
Control Supply Voltage: AC 220–240V (terminals A1–A2)
Current Setting Range: 50–205A (adjustable via front dial)
Trip Class: Class 5, 10, 15, 20, 25, 30 (adjustable)
Analog Output: 4–20mA (for current monitoring)
Voltage Rating (Ue): 690V AC
Insulation Voltage (Ui): 1000V
Impulse Withstand Voltage (Uimp): 8kV
Auxiliary Contact Rating — Overload: NC (95–96), NO (97–98)
Auxiliary Contact Rating — Ground Fault: NC (05–06), NO (07–08)
Auxiliary Contact Voltage (Ui): 300V
Auxiliary Contact Uimp: 4kV
Auxiliary Contact Current (AC15): 6A/120V, 3A/230V
Auxiliary Contact Current (DC13): 2A/24V
Fuse Type 1 Coordination: 400A gG
Fuse Type 2 Coordination: 250A gG
Cable Cross-Section (screw terminal): 2×0.5–2.5mm² / 1×0.5–4mm²
Cable Cross-Section (ferrule terminal): 2×0.5–1.5mm² / 1×0.5–2.5mm²
Tightening Torque (CT module): 10–14 Nm (89–124 lb.in)
Tightening Torque (control terminals): 0.8–1.2 Nm (7–11 lb.in)
Terminal Kit: 3TX6526-3C
Aux. Contactor Compatibility: R300, B300
Standards / Compliance: IEC 947-4-1, IEC 947-5-1, DIN VDE 0660 Teil 102, Teil 200, Teil 302/303, IEC 34-11 Typ A, UL Listed 165C, CSA, CE
Mounting Type: Direct mounting / panel-mount with CT module (D48 frame)
Origin: Made in Germany
Features: Ground fault detection, 4–20mA analog output, Test/Reset button, Ready / Gnd Fault / Overload LED indicators, monostable auxiliary contacts
Application:
The Siemens 3RB1253-0FM40 is designed for motor overload and ground fault protection in three-phase industrial motor control circuits, typically installed within motor control centers (MCCs), main distribution panels, and automation control cabinets. It is compatible with large contactors and suitable for pumps, compressors, conveyors, fans, and other high-current motor-driven equipment in process plants, oil and gas facilities, and infrastructure projects. The integrated 4–20mA analog output enables remote current monitoring via PLC or SCADA systems, making it highly relevant for automated and instrumented environments. Procurement teams sourcing for maintenance, repair, and operations (MRO) or new installations will find this unit immediately deployable.
WeSellStocks.co stocks the Siemens 3RB1253-0FM40 as part of a curated range of surplus and reconditioned Siemens motor protection devices available for industrial buyers and wholesale distributors. Procurement teams and automation engineers in the USA and UAE regularly source the 3RB12 series for panel builds, plant upgrades, and emergency MRO requirements. As a trusted global industrial supplier, WeSellStocks.co offers competitive pricing and worldwide shipping on Siemens overload relays and motor control components.
Metafields:
brand: Siemens
part_number: 3RB1253-0FM40
product_type: Solid-State Electronic Overload Relay with CT Module
industry_category: Industrial Automation / Motor Control & Protection
voltage_rating: 690V AC (Ue); 1000V (Ui); 8kV (Uimp)
current_rating: 50–205A (adjustable)
power_rating: Available upon request
input_voltage: AC 220–240V (control supply)
output_voltage: 4–20mA analog output
mounting_type: Direct panel-mount with D48 CT module frame
standards: IEC 947-4-1, IEC 947-5-1, DIN VDE 0660, UL Listed, CSA, CE, Made in Germany
condition: Used / Surplus
stock_quantity_available: Available upon request
target_markets: USA | UAE | Worldwide
global_shipping: Yes
condition: used
Tested✅
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Tested✅
- 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.
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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.
