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ABB Bailey NTRO03 Digital Output Relay Termination Unit

ABB Bailey NTRO03 Digital Output Relay Termination Unit

Release time:2026-08-14

Views:144

Payment Methods:T/T, PayPal, Western Union

Condition:New & In Stock

Shipping Port:Xiamen, China

Warranty:1 Year

Lead Time:1-3 Working Days

Certificate:COO

Courier partners:DHL, UPS, TNT, FedEx and EMS.

Business hours:7*24

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Description
FAQ
Products Description
ABB Bailey NTRO03 Digital Output Relay Termination Unit
ABB Bailey NTRO03 Digital Output Relay Termination Unit
ABB Bailey NTRO03 Digital Output Relay Termination Unit
ABB Bailey NTRO03 Digital Output Relay Termination Unit
Company Information
E-mail [email protected]
Mobile +8613950166376
Whatsapp +8613950166376
WeChat 13950166376
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Technical Specifications

Parameter Description
Product Model NTRO03
Manufacturer ABB Bailey
Product Series INFI 90 / Net 90 / Harmony
Product Type Digital Output Relay Termination Unit
Main Function Interfaces digital output signals between the control module and field devices
Output Type Relay output interface
Application Digital output / field relay control
Compatible System ABB Bailey INFI 90 / Net 90
Installation Control cabinet / termination panel
Related Model NTRO03-A
Approx. Dimensions Approx. 17.8 × 10.2 × 12.7 cm
Approx. Weight Approx. 0.5 kg

FAQ
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FAQ

Q1: What is the ABB Bailey NTRO03 used for?
A: It is a Digital Output Termination Unit used to interface control-system digital outputs with field devices through relay contacts.

Q2: Is NTRO03 an electronic I/O module?
A: No. It is a termination/interface unit used together with the corresponding I/O module.

Q3: What type of signals does NTRO03 handle?
A: It is designed for digital output (DO) signals, with relay contacts providing the field-side switching interface.

Q4: Which systems use NTRO03?
A: It is associated with ABB Bailey INFI 90 / Net 90 / Harmony control systems.

Q5: Does NTRO03 contain relays?
A: Yes. The NTRO03 is identified in supplier listings as a relay-equipped termination unit.

Q6: What is the difference between NTRO03 and NTRO03-A?
A: They are different revisions/versions of the NTRO03 termination-unit family. NTRO03-A should not automatically be treated as a direct replacement without checking the associated I/O module and system configuration.

Q7: Is NTRO03 the same as NTRO02?
A: No. NTRO02 and NTRO03 are different ABB Bailey termination-unit part numbers and should be matched to their specified I/O applications.

Q8: What are the dimensions and weight of NTRO03?
A: A practical reference value is approximately 17.8 × 10.2 × 12.7 cm and 0.5 kg. Exact dimensions and shipping weight may vary by revision and packaging.


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Packing & Delivery

We will use wear-resistant cartons to seal the boxes, and take photos for your confirmation before sealing. We will pack the boxes only after confirmation.

For express delivery, we will use DHL, UPS, TNT, FedEx and EMS.

Please rest assured that we have a deep cooperation with express delivery companies and can ensure that your goods are delivered to you in good condition.


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