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1SAX531001R1101 - EF205-210 Electronic Overload Relay 63 ... 210 A | ABB
| Cat No. | 1SAX531001R1101 |
| Category | Over Load Relay |
| Stock | Back Ordered |
| Condition | Brand New, Sealed Packaging |
| Product Type | Over Load Relay |
Back Ordered
Lead Time: 25 Working Days.
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Technical Specification
ABB 1SAX531001R1101 Over Load Relay Technical Specification
| Over Load Relay | |
|---|---|
| Bimetal relay Type | TA25, TA42 and TA180 |
| Contactor Type | 10E, 20E and 30E |
| Current Range | 63-210A |
| Range of Product | — |
| Secondary Volt Ac | - |
| Sub Family | - |
| Type | Electronic Overload Relay |
Product Details
1SAX531001R1101 ABB EF205-210 - The EF205-210 is an self-supplied electronic overload relay, which means no extra external supply is needed. It offers reliable and fast protection for motors in the event of overload or phase failure. Easy to use like a thermal overload relay and compatible with standard motor applications, the electronic overload relay is convincing, above all, due to its wide setting range, high accuracy, high operational temperature range and the possibility to select a trip class (10E, 20E, 30E). Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP- and Test function and a trip indication. The overload relays are connected directly to the contactors. EF205 has ATEX and IECEx certification 1) 1) ATEX is valid for products produced from week 42, 2014. IECEx is valid for products produced from week 15, 2017. We are dedicatedly involved in providing an excellent quality products at Electrihub.
Product Dimensions
ABB 1SAX531001R1101 dimensions and weight
Dimensions (L × W × H)
Length
14 cm
Width
19.5 cm
Height
19.9 cm
Weight
Net Weight
1.624 kg
Dimensions are approximate. For precise dimensional drawings, contact us.
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Product Overview
1SAX531001R1101 ABB EF205-210 - The EF205-210 is an self-supplied electronic overload relay, which means no extra external supply is needed. It offers reliable and fast protection for motors in the event of overload or phase failure. Easy to use like a thermal overload relay and compatible with standard motor applications, the electronic overload relay is convincing, above all, due to its wide setting range, high accuracy, high operational temperature range and the possibility to select a trip class (10E, 20E, 30E). Further features are the temperature compensation, trip contact (NC), signal contact (NO), automatic- or manual reset selectable, trip-free mechanism, STOP- and Test function and a trip indication. The overload relays are connected directly to the contactors. EF205 has ATEX and IECEx certification 1) 1) ATEX is valid for products produced from week 42, 2014. IECEx is valid for products produced from week 15, 2017. We are dedicatedly involved in providing an excellent quality products at Electrihub.
Frequently Asked Questions for 1SAX531001R1101
Electrihub is an authorized ABB distributor, guaranteeing 100% genuine ABB 1SAX531001R1101 or EF205-210 Over Load Relay products backed by ABB warranty. With strong inventory and competitive pricing, we ensure quick delivery and reliable support for your automation needs.
Our experienced technical team is always ready to help you select the right ABB solution for your project — ensuring performance, safety, and peace of mind.
Our experienced technical team is always ready to help you select the right ABB solution for your project — ensuring performance, safety, and peace of mind.
The ABB 1SAX531001R1101 overload relay provides thermal overload protection for motors, offering adjustable current settings, phase-loss sensitivity, trip class options, and compatibility with ABB contactors for coordinated starter control.
It is commonly installed in MCC panels, pump starters, HVAC motors, conveyor systems, and industrial automation requiring reliable overload protection.
It senses excess current beyond rated limits, causing a trip to disconnect the motor and prevent insulation damage, winding burnouts, or premature failure.
Set the dial to match the motor full load current from the nameplate. Ensure ambient temperature and motor duty cycle are considered.
Mount the relay directly under compatible ABB contactors or remote wire it as needed. Maintain proper torque, terminal tightening and check contact alignment.
Datasheet for 1SAX531001R1101 is available on Electrihub with curves, wiring & technical characteristics.
Yes. RAS Electrihub Private Limited provides PAN India delivery with reliable logistics, safe packaging, and doorstep delivery across all states and union territories.
Yes. RAS Electrihub Private Limited issues GST-compliant invoices and also supports PO-based invoicing for businesses, contractors, and organizations across India.
Yes. RAS Electrihub Private Limited operates as an ISO-certified organization, ensuring quality sourcing, authentic products, and standardized procurement and delivery processes.
The price of ABB 1SAX531001R1101 Over Load Relay depends on specifications, availability, and market conditions. You can check the latest GST-inclusive price on Electrihub India, which provides genuine products, transparent billing, and PAN India delivery.
The ABB 1SAX531001R1101 is a commercial-grade Over Load Relay designed to protect three-phase AC electric motors from continuous overcurrent conditions, thermal degradation, and mechanical stalling. It operates as a ABB EF series advanced electronic overload relay, featuring high-precision current sensing, selectable trip classes (Class 10E, 20E, 30E), extremely low power consumption, and comprehensive motor status monitoring. The device is engineered to comply with strict international benchmarks such as IEC/EN 60947-4-1, UL, and CSA standards, making it fully ready for integration into global power grids operating at both 50Hz and 60Hz. Procurement managers can find this authorized switchgear with global shipment support on Electrihub.com.
The ABB 1SAX531001R1101 Over Load Relay continuously monitors phase currents via precisely calibrated internal elements (bimetallic strips or advanced electronic current transformers). In the event of a phase failure or single-phasing condition, the relay triggers an accelerated differential trip response to prevent rapid motor winding insulation breakdown. This action mechanically shifts the auxiliary contact block, opening the contact to break the control circuit coil and closing the contact to signal a system fault, ensuring complete protection across complex global automation networks.
The ABB 1SAX531001R1101 is physically and electrically engineered for direct plug-in mounting to matching ABB power contactor frameworks, optimizing panel space and eliminating unnecessary control wiring. It is certified for both Type 1 and Type 2 coordination schemas under short-circuit conditions when combined with appropriate molded case circuit breakers (MCCBs) or high-capacity fuses. For independent installation profiles, standalone DIN rail or panel baseplates are supported, providing global panel builders on Electrihub with maximum engineering flexibility.
The ABB 1SAX531001R1101 features a front-mounted current adjustment dial that allows commissioning engineers to set the precise trip threshold matching the motor's nameplate Full Load Current (FLC). The device features a user-configurable selection switch for Manual or Automatic reset modes; Manual mode requires an intentional field reset after diagnosing the overload fault, while Automatic mode allows the bimetallic components to self-cool and automatically restore the control path. Additionally, an integrated mechanical trip indicator enables swift diagnostic troubleshooting to minimize operational downtime.
Sourcing the ABB 1SAX531001R1101 Over Load Relay via Electrihub.com provides international industrial buyers with guaranteed product authenticity, manufacturer warranty support, and full technical datasheet compliance. Electrihub.com is optimized for global enterprise supply chains, providing competitive wholesale commercial pricing, transparent export-ready compliance documentation, bulk order capability for major infrastructure projects, and specialized engineering support to ensure seamless component coordination across all international projects.
Reviews & Ratings
3.9
7 reviews
5
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Good technical guidance from RAS Electrihub regarding this 1SAX531001R1101. The Over Load Relay operates perfectly. Box had minor dust but inside item was mint.
Got the ABB 1SAX531001R1101 delivered on time for our project breakdown. RAS Electrihub saved us a lot of downtime. Quality is top-notch.
Great technical support from Electrihub during installation and maintenance phases.
Accurate and fast overload protection.
We upgraded to ABB 1SAX531001R1101 overload relays for all critical machinery in UK, resulting in enhanced operational safety and reliability.
Reliable overload relay with precise response.
Provides dependable operation under varying load conditions.
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