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Honeywell 2MLL‑CH2B Relay / Control Module

ABB CI920N 3BDS014113 Communication Interface for Industrial Automation

Honeywell 2MLL‑CH2B Relay / Control Module

Name: Honeywell 2MLL‑CH2B Relay / Control Module
Brand: Honeywell DCS
SKU: 185
Availability: InStock
Rating: 5.0 (1 reviews)

Brand:Honeywell DCS
Item No.:2MLL-CH2B
Product Origin:USA
Product Dimensions:110 × 45 × 120 mm
Product Weight:0.45 kg
Payment:T/T, Western Union, Credit Card
Goods_stock:15
Shipping Port:Xiamen, China
Lead Time:1-3 Days
Condition:Brand New And Original
Warranty:1 Year
Certificate:COO
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Product Details
Product Applications
Product Advantages
Technical FAQs
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Introduction

The Honeywell 2MLL‑CH2B is a control/relay module designed to interface with Honeywell logic and safety systems, providing reliable switching, contact outputs, and relay-based control for various automation and safety functions. It is engineered for robust operation under industrial conditions, offering stable performance in control cabinets, fire/safety panels, or process automation installations where dependable relay behavior is required.

Technical Specifications

Parameter	Specification
Module Type	Relay / Control Output Module
Function	Relay contact outputs or control switching for safety, alarm, or automation logic
Relay Outputs	Configurable relay contacts — number and rating dependent on build (typically 2–4 contacts)
Contact Type	Dry contacts or rated for standard industrial control voltages
Input Supply	24 V DC (or per system specification)
Output Load Capacity	Rated for typical control and alarm circuits (mA–A range depending on wiring)
Isolation	Electrically isolated relay outputs for safety and noise immunity
Operating Temperature	0 °C to +55 °C
Storage Temperature	–20 °C to +70 °C
Humidity	5–90% RH, non‑condensing
Mounting	DIN-rail or rack mounting depending on panel design
Dimensions	Approx. 110 × 45 × 120 mm (H × W × D)
Weight	Approx. 0.45 kg

Applications

Alarm and safety logic relay output in fire and safety controllers
Switching of external relays, alarms, valves, or actuators in process control environments
Interface module for legacy Honeywell control/safety panels requiring contact outputs
Use in distributed control, building automation, and industrial safety systems
Retrofit or expansion of existing control racks needing additional relay outputs

Advantages

Reliable relay-based switching ensures clear contact separation for control and safety circuits
Configurable outputs allow flexible use across alarm, control, and auxiliary circuits
Electrical isolation enhances noise immunity and safety when interfacing with external circuits
Compact module design enables efficient use of cabinet space
Compatibility with Honeywell systems, easing integration and maintenance
Balanced weight and form factor, supporting both panel and DIN-rail installations

Technical FAQs

What is the main function of the 2MLL‑CH2B?
It provides relay contact outputs or control switching in Honeywell automation or safety systems.
What kind of circuits can it switch?
Typically dry contacts or control circuits with standard industrial voltages, depending on wiring and relay rating.
What is the required supply voltage?
Usually 24 V DC, subject to system design specifications.
Is output isolation provided?
Yes — relay outputs are electrically isolated from module inputs and internal logic.
Can it be mounted on DIN rail?
Yes — DIN-rail or rack mounting is supported depending on installation layout.
Is it suitable for alarm or safety systems?
Yes — reliable relay output makes it suitable for alarm, safety, and control loops.
Does it support multiple outputs?
Yes — modules typically include multiple relay contacts (e.g. 2–4), depending on build.
What environmental conditions can it handle?
Operating temperature 0 °C to +55 °C; storage –20 °C to +70 °C; humidity up to 90% RH non‑condensing.
Is the module heavy?
No — at approx. 0.45 kg, it is relatively lightweight and easy to install.
Can it be used to expand existing control cabinets?
Yes, especially in legacy Honeywell installations requiring additional relay outputs.

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