cBallast
Industrial Parts Catalog
Datasheet generated 2026-10-07
sales@cballast.com
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FLEX Insert 230V (64891 U-500)

ABB · Switzerland · abb.com
Part Number
64891 U-500  ·  HS 8538.90
FLEX Insert 230V (64891 U-500)

ABB 64891 U-500 — 3 wire connection (neutral conductor required). For the extension of the ABB Comfort switch, ABB Watchdog or ABB presence detector installations.For group control of flex inserts via extension unit communication.Operation in 1gang 2way installations via push button input. Without control unit. For control element flex, 1gang, 64711-500. For control element flex, 1gang, wireless, 62711-WL-500. For control element flex, 2gang, 64721-500. For control element flex, 2gang, wireless, 62721-WL-500. For ABB Comfort switch flex control element 64765-…-500.For ABB Watchdog 180 flex sensors 6476x-…-500.For ABB Watchdog 180 flex sensors, wireless, 6276x-.-WL-500. For ABB presence detector flex sensors 6475x-…-500.Combinable with all flex inserts.

Technical Specifications

Manufacturer part number (MPN)64891 U-500
EAN / GTIN4011395294116
Sales unitpcs
Voltage230 V
Instructions and Manuals2CKA000073B5103; 2CKA000073B5132; 2CKA000073B5133; 2CKA000073B5134
Instructions and Manuals (Part 2)2CKA000073B5216
Mounting TypeFlush Mounted
Type of FasteningMounting with Screw; Mounting with Claw
Modular Components IncludedFlush Mounted Insert with Mounting Plate
Ambient Air TemperatureOperation -5 ... +45 °C
Degree of ProtectionIP20
Number of Outputs1
Product RangeflexTronics; flexTronics wireless; free@home wireless; free@home
Connection TypePin
Terminal TypeScrew Terminals
Rated Voltage (U r )230 V
Rated Frequency (f)50 Hz
Power Loss0.3 W; Total 0 W
Design RangePlatform 63; Busch-balance SI; Reflex SI; Busch-Duro 2000 SI; Busch-art linear; future linear; Busch-axcent; Pure Stainless Steel; solo; carat; Busch-Dynasty; Trevion
Design Range VariantBusch-Duro 2000 SI; Busch-Duro 2000 SI Linear; Reflex SI; Reflex SI Linear; Busch-art linear; Busch-art linear - with Decor Ring; Busch-art linear - pur; future; future linear; Busch-axcent; Busch-axcent pur
Product Net Width0.14 m
Product Net Height0.227 m
Product Net Depth / Length0.181 m
Built-In Depth ( t 2 )25 mm
Building Information Modeling – BIM9AKK108471A9951
Environmental Product Declaration - EPD9AKK108469A3355
Declaration of Conformity - CE2CKA100000E4339
EU Data Act Compliance Declaration9AKK108471A4355
EU Data Act Applicability and ComplianceApplicable - Compliant
ETIM 9EC001588 - Electronic switch
eClassV11.0 : 27144054
Assembly arrangementBasic element
ModelSubstation
Substation inputYes
Light value memoryYes
Applicable with buttonYes
Applicable with movement sensorYes
Applicable with presence indicatorYes
Applicable with time switch/timerYes
Applicable with transmission buttonYes
Applicable with infrared buttonYes
Mounting methodFlush-mounted
MaterialPlastic
Surface protectionGalvanised
Surface finishingGlossy
ColourBlack
RAL-number (similar)9005
TransparentYes
Nominal voltage230 V
Frequency50 Hz
Min. depth of built-in installation box25 mm
Compatible with Apple HomeKitYes
Compatible with Google AssistantYes
Compatible with Amazon AlexaYes
IFTTT support availableYes
Country of originGermany

Properties

MOQ1

Cross-References

Attached Documents