English
Brand/Manufature:
ABBProduct Origin:
SWEDENLead Time:
IN STOCKCondition:
Brand New And 100% OriginalCertificate:
CooModel:EB143887SPER 1C1-AA
Manufacturer: ABB
Voltage of the circuit monitored: 40-265 V dc
Measuring current: 1.5 mA, typ.
Min. residual voltage over the circuit monitored: >40 V dc
Auxiliary supply voltage and current:
rated voltage Un:48/60/110/220 V dc
operation volt:40-265 V dc
Current drain, typ.:7 mA
The ABB EB143887SPER 1C1‑AA is part of ABB’s SPER 1C1‑AA series trip circuit supervision relays, designed for continuous monitoring of critical DC control circuits in electrical power systems. It is engineered to supervise circuit‑breaker trip circuits, disconnector control circuits, and other essential signaling/control paths in switchgear and substation environments. These relays help ensure reliable protection operation by detecting abnormal conditions such as open circuits, contact welding, and auxiliary voltage failures.
Frequently asked questions：
Q:What is a EB143887SPER 1C1-AA realy?
A:The Sper 1C1-AAJ is mechanically designed to suit the COMBIFLEX system. The relay supply voltage range is 40-265 V DC.
Q:In which applications is EB143887SPER 1C1-AA typically used?
A:It is used to supervise circuit breaker control circuits, disconnector control circuits, and signalling circuits in power installations and substations.
Q:What shipping methods are used for EB143887SPER 1C1-AA?
A:Major carriers like FedEx, DHL, and UPS are primarily used for worldwide delivery.
Grab an Extra Discount - Contact Sales Manager Lisa Lin Today
: +86-18965423501 
: sales7@amikon.cn 
:AMKPLC
Payment & Delivery
Payment Term: T/T
Lead Time: Usually 2-3 days
Delivery Ways: DHL,UPS,TNT,CHIRLINE,FEDEX
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Amikon is not an authorized distributor, dealer or representative of the products displayed on this site.
All product names, trademarks, brands and logos used on this site are the property of their respective owners.
The description, illustration or sale of products under these names, trademarks, brands and logos is for identification purposes only and is not intended to indicate any affiliation with or authorization by any rights holder.
Grab an Extra Discount - Contact Sales Manager Lisa Lin Today
: +86-18965423501 : sales7@amikon.cn :AMKPLC
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IPv6 network supportedDisclaimer: Amikon sells new and surplus products and develops channels for purchasing such products. This website has not been approved or recognized by any of the listed manufacturers or trademarks. Amikon is not an authorized distributor, dealer, or representative of the products displayed on this website. All product names, trademarks, brands, and logos used on this website are the property of their respective owners. The description, explanation, or sale of products with these names, trademarks, brands, and logos is for identification purposes only and is not intended to indicate any association with or authorization from any rights holder.
