ABB TU921S 3KDE175111L9210 Redundant Termination Unit

>>> Product Overview <<<The ABB TU921S is a high-performance redundant termination unit designed to enhance system reliability in complex industrial automation environments. This unit ensures seamless signal termination and redundancy, preventing data loss and maintaining continuous operation even in the event of component failure. Engineered with precision by ABB, the TU921S supports robust electrical connections and integrates smoothly with advanced control systems. Its compact design and durable construction make it suitable for demanding industrial applications where system uptime and safety are critical. The TU921S redundant termination unit optimizes equipment performance and facilitates maintenance procedures through its modular architecture.
>>> Technical Specifications <<<

Parameter
Specification

Model
TU921S

Brand
ABB

Operating Voltage
24 V DC

Operating Temperature Range
-25°C to +70°C

Dimensions (W x H x D)
110 mm x 90 mm x 60 mm

Mounting Type
DIN Rail Mount

Connection Type
Screw Terminal

Protection Rating
IP20

Standards Compliance
IEC 61508, IEC 61131
>>> Product Features <<<The TU921S redundant termination unit offers a range of advanced features tailored for industrial electrical systems. It provides enhanced signal integrity through its precision termination design, minimizing interference and signal degradation. The unit supports modular installation, allowing easy integration and replacement without system downtime. Built for durability, it withstands harsh environmental conditions including temperature fluctuations and electrical noise. Additionally, the unit incorporates fail-safe mechanisms to ensure continuous operation, making it ideal for critical automation and control processes. Its compact footprint optimizes panel space, while the screw terminal connections guarantee secure and reliable wiring.
>>> Applications <<<The TU921S redundant termination unit is widely used in industrial automation and control systems requiring high availability and fault tolerance. It is suitable for electrical distribution networks, process control equipment, and safety instrumented systems where redundancy is essential. This unit supports complex industrial machinery, enabling seamless communication and signal termination in manufacturing plants, power generation facilities, and infrastructure automation. Its robust design and compliance with international standards make it an excellent choice for ensuring uninterrupted operation in demanding industrial environments.
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Parameter	Specification
Model	TU921S
Brand	ABB
Operating Voltage	24 V DC
Operating Temperature Range	-25°C to +70°C
Dimensions (W x H x D)	110 mm x 90 mm x 60 mm
Mounting Type	DIN Rail Mount
Connection Type	Screw Terminal
Protection Rating	IP20
Standards Compliance	IEC 61508, IEC 61131

>>> ABB TU921S – IMAGE 1 <<<

$ Model: TU921S | Brand: ABB $

>>> ABB TU921S – IMAGE 2 <<<

$ Model: TU921S | Brand: ABB $

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Stock Status	In Stock, Engineering Surplus, Limited Inventory
Brand	ABB

We have a number of Home Delivery services available to you. Availability of these options will be shown at checkout.

Delivery Service	Description	Please Note	Price
Standard	Within 3-4 working days (07:00 - 19:30hrs)	Weekdays Only (only applies to orders placed before 6pm)	$3.95
Express Delivery	Next Working Day (08:00 - 18:00hrs)	Weekdays Only, applies to orders placed before 4pm Mon-Thurs, before 3pm on Fri & before 2pm on Sat (no Sunday deliveries)	$5.95
Premium Delivery - DPD	Next Working Day (07:00 - 19:30hrs)	Weekdays Only, applies to orders placed before 4pm Monday-Thursday. (Orders placed after 4pm Thur - Sunday before 1pm, will be delivered Monday)	$6.95
Large Parcel Delivery	Within 3-5 working days (07:00 - 19:30hrs)	Weekdays Only (only applies to orders placed before 6pm)	$14.95
Premium Saturday Delivery	Saturday Delivery (07:00 - 19:30hrs)	Delivered Saturday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm)	$7.95
Premium Sunday Delivery	Sunday Delivery (07:00 - 19:30hrs)	Delivered Sunday with a 1 Hour delivery slot and Tracking. (only applies to orders placed on Friday before 2pm)	$7.95