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Honeywell UN-RL1644ESB230NMC

Optimizer Unitary Controller with Ethernet Interface, Niagara Device

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Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Manufacturer catalogue image
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Manufacturer catalogue image
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Manufacturer catalogue image
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device
Honeywell UN-RL1644ESB230NMC Optimizer Unitary Controller with Ethernet Interface, Niagara Device

Product Description

Optimizing Performance with Advanced Features

The Optimizer Unitary Controller is a powerful Niagara device designed to enhance the efficiency of your building's automation system. With its 1 Ethernet interface (RJ45, BACnet™ IP), this controller supports peer-to-peer communication for seamless data exchange between controllers.

Its multi-protocol compatibility ensures fast and secure integration with various building systems. The device features 16 universal inputs/outputs (UIO) that can be configured as analog inputs, binary inputs, or analog outputs for maximum flexibility.

The controller is equipped with 4 relay outputs designed for high inrush current applications in HVAC control and 4 chopper digital outputs (DO CHP) providing enhanced switching capabilities for diverse control applications.

Connecting directly to Honeywell Sylk™ wall modules via the Sylk™ Bus Interface simplifies installation. The device also supports Modbus RTU for integration with third-party devices over serial communication and is based on Niagara 4 for unified programming and management within the building automation system.

The built-in Bluetooth Low Energy (BLE) enables wireless connectivity for simplified commissioning and diagnostics. The larger enclosure design provides additional space for wiring, while flexible mounting options include DIN rail, surface mounting, or enclosure installation.

With a built-in web server featuring an HTML5 interface, this controller offers remote access and graphical...

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Call us at:+48 17 778 34 19
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Offer details

Offer from:
Trusted supplier — Poland, member since 2023, 5–9 employees 
Availability:
On requestLead time: 4–5 days
Warranty:
24 months
Condition:
New Factory Sealed
New Factory Sealed - A brand-new, unused, unopened, undamaged item in its original manufacturer-sealed packaging.
The Seller is responsible for shipping the product and invoicing

Specifications

Available Offers

(1)
ConditionAvailabilitySupplierWarrantyAction
Honeywell UN-RL1644ESB230NMC
Condition
New Factory Sealed
Availability
On requestLead time: 4–5 days
Supplier
PolandTrusted supplier — member since 2023, 5–9 employees 
Warranty
24 months

Offer with manufacturer lead time

Directly from the manufacturer - with a confirmed, predictable, and fully transparent delivery time.

Documents

Data Sheet

Datasheet for Honeywell UN-RL1644ESB230NMC, including specifications and features.

Download Data Sheet
TraceParts

CAD Models

3D CAD model and technical drawings, ready for your design software.

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Product data updated: 16-09-2026

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