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The 1SDA073687R1 is a heavy-duty shunt closing release that operates on a standard 220-240V AC/DC control supply to execute remote circuit breaker closure.
Instantaneous shunt closing release (YC)
Suitable for both AC and DC control supply
Compatible with SACE Emax 2 and SACE Tmax XT circuit breakers
Weighing exactly 0.12 kg, this factory-certified accessory installs directly into low-voltage switchgear installations to provide an automated linkage between localized command systems and main power distribution breakers. By facilitating instantaneous mechanical trips upon voltage reception, it serves as a critical hardware unit for remote plant operations, synchronized power management, and emergency grid reconnections.As a versatile cross-platform component, this model is built to fit the entire SACE Emax 2 range from E1.2 to E6.2, as well as Tmax XT7M molded case circuit breakers. It is manufactured in adherence to strict international IEC parameters, carrying full CE documentation alongside compliant RoHS and REACH environmental declarations. Integrating this authentic component ensures unified parts management across industrial switchboards while maintaining total hardware compatibility and reducing maintenance downtime during standard component replacements.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
ABB 1SDA073687R1 SHUNT CLOSING RELEASE Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil and Gas
From an onshore command center via satellite or fiber networks, engineers can remotely activate the XT7M breaker on an offshore platform tens of kilometers away to reboot power for trans-oil pipelines.
Automotive Manufacturing
During a main line maintenance cutover, the PLC coordinates with fast-transfer switches, utilizing this closing accessory to transfer the workshop power bus to a backup supply within milliseconds to prevent production loss.
Rail Transit
Before early morning operations begin, the dispatch center issues a global directive to switch on power and lighting distribution circuits across all stations simultaneously via these distributed closing releases.
Pulp and Paper
During continuous papermaking, if a single power feed failure trips an auxiliary machine, the captive powerplant's interlocking device immediately activates this closing coil to engage a backup breaker, maintaining continuous boiler operation.
Pharmaceutical and Biotechnology
Following an instantaneous voltage-drop trip caused by a lightning strike, the smart distribution system runs a self-check to confirm zero short circuits and triggers this coil to remotely re-engage within one minute, protecting millions of dollars in vaccines or cultures from spoiling.
Prior to installation and maintenance, ensure the circuit breaker is fully de-energized and isolated. The control supply voltage must strictly match the rated 220-240V AC/DC range, as undervoltage will prevent execution while prolonged overvoltage can burn out the coil windings. Additionally, this shunt closing release (YC) is rated for pulse/short-time duty only; continuous voltage application must be strictly avoided by implementing standard electrical or software interlocking within the control scheme to automatically cut off the command signal.
1SDA073687R1 is an electrical accessory manufactured by ABB, specifically a Shunt Closing Release (YC).
How to use products like 1SDA073687R1?
Insert this accessory module into the designated internal slot of a compatible circuit breaker.
What is the essential difference between 1SDA073687R1 and a shunt opening release?
A shunt opening release (such as the YO series) is used to remotely "trip/open" a circuit breaker. In contrast, 1SDA073687R1 (YC series) functions completely opposite, serving to remotely "close/engage" the breaker for power restoration.
Can 1SDA073687R1 be energized continuously for a long period?
No. It operates on an impulse (short-time) duty cycle.
Can the circuit breaker still be closed if 1SDA073687R1 is not installed?
Yes. Even if this electrical accessory is not installed, operators can still perform manual on-site closing via the mechanical close pushbutton (I button) on the front panel of the circuit breaker.
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We give you access to a global supply of automation parts at your fingertips, ensuring that manufacturers around the world can avoid unnecessary downtime and continue to do what they do best – making our world possible.
Focus on supplying surplus and new automation spare parts With abundant inventory and partnerships with top manufacturers, Apter Power ensure high-quality solutions for your industrial requirements
Key control components
As a trustworthy supplier of surplus components, we procure parts from projects with excess inventory, system upgrades, factory shutdowns, and surplus suppliers. Our strict quality control ensure that our products achieve optimal performance
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Many difficult to find parts, including PLC, HMI, DCS, panel controllers, industrial PCs, and VFDs. These parts help extend the lifespan of your existing system, reduce expensive replacement costs, and minimize downtime, thereby keeping your operations running smoothly
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For over 20 years, Apter Power always been a trustworthy leader in the industrial automation supply industry. As a trustworthy supplier of automation parts, we continuously expand our product line, expand our global customer base, and have won numerous awards
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How do we deliver
If you need complete documents to handle special situations such as letters of credit, we can ship small packages in 'cargo mode'. We can arrange freight or air freight for you, or cooperate with your freight agent
Urgency
If you require any other type of emergency or carrier, we need you to clearly specify this information on the order. We can usually ship on the same day. We do not charge additional fee, but it will depend on the expedited shipping option you use. Please let us know your level of urgency, and we will try our best to ship in the same day once you place order to us.
Freight Charge
If you contact us by phone, fax, or email, we can also provide you with this information. The product price does not include shipping or insurance fee. If you need, we are happy to provide a shipping quote and also can provide weight and size information. If you require proforma invoice, please let us know if you would like us to quote the shipping cost or if you would like us to use your shipping account.
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Shutdown will waste your time and money - always ready to assist you. As a reliable supplier of automation parts, we provide fast shipping services to quickly deliver critical components to your hands, minimizing downtime to the greatest extent possible.
Obsolute or hard to find parts
We focus on purchasing necessary and rare automation parts to maintain the operation of the manufacturing industry. No matter the year, scarcity, or location of the parts, we will find and deliver the parts you need
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As one of the most trusted suppliers of industrial automation parts, we deeply understand the importance of reliable performance. That's why we exceed industry standards, whether you're replacing old components or maintaining critical systems
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Our long-term success stems from our commitment to quality, reliability, and customer satisfaction. Whether you are purchasing rare spare parts. Apter Power stands out among industrial automation parts suppliers with its rich experience, high-quality service, and unparalleled quality assurance.
Why choose Apter Power?
Spare parts warehouse
We have a warehouse of 50000 square meters, providing tens of thousands of different spare parts, and 24/7 online sales personnel to provide support for you. Always available, crucial for both you and us.
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Experienced team members assist in providing our customers with fast delivery of automation and control components, delivering to over 60000 users worldwide.
High quality new spare parts service
Our extensive inventory of control systems (DCS, PLC, CNC), panel controllers, human-machine interfaces (HMI), industrial PCs, drivers, and power spare parts helps you reduce maintenance costs. Provide industrial automation spare parts that manufacturers no longer provide. We are a leading supplier that provides rare industrial automation parts to businesses of all sizes, with a strong track record of delivering the highest quality parts and services to customers at highly competitive price.
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