Loading
View all 1444 Dynamix
Print
Share
QR code
JSON
  • alt text
alt text
Chevron LeftChevron Left
alt text
Chevron LeftChevron Left
Allen-Bradley logo
1444-RELX00-04RB

Expansion Relay Module

Serial #:
This product has not been verified. Please {} to confirm authenticity. register your product
Lifecycle status: Active
Description
Relay Expansion Module
  • Add to BOM
  • Repair services
  • Get support
1444-RELX00-04RB

Expansion Relay Module

Serial #:
This product has not been verified. Please {} to confirm authenticity. register your product
  • alt text
alt text
Chevron LeftChevron Left
alt text
Chevron LeftChevron Left
Allen-Bradley logo
Lifecycle status: Active
Description
Relay Expansion Module
  • Add to BOM
  • Repair services
  • Get support
Find your nearest distributor
Contact your distributor in {0}
Change location
PhonePhone
Find a partner
Find your nearest distributor
Contact your distributor in {0}
Change location
PhonePhone
Find a partner
Overview
Electrical & Connectivity
General Features
Power & Electrical Characteristics
Communication & Interfaces
Technical Specifications
Alarms & Fault Management
Compliance & Environment
Standards & Protection
Physical Characteristics
Mechanical
Construction
Drawings
Documents
Certifications
Alternative Products
Technotes
Unique Product Identifier
1444-RELX00-04RB
UPC
885630427072
Estimated Lead Time
87 days
Standard Warranty Duration

1 year See details

Country of Origin
United States of America
Number Of Outlet
4
Number of Relays
4
Status indicator
Power, Relay status (4), Local bus status
Conductor type
Copper
Consumption
1.6 W
Current
56mA @ 24V (73...48mA @ 18...32V)
Dissipation
2.3 W
Electrical life cycle
50000 minimum
Inductive load
5A @ 250V AC
Isolation voltage
250V (continuous), basic insulation type between relay ports and system, Type tested at 1500V AC @ 60s
Model
Expansion device
Number of relays
4
Permissible load, min
10mA @ 5V DC
Rated carry current
8 A
Rated control supply voltage at DC
18 V
Rated current, max
DC: 5 A
Rated voltage, max
250V AC
Resistive load
DC 24V @ 5A @ 40 °C (104 °F)
Switching capacity, max
Resistive load: 2000VA
Type of electric connection
Spring clA connection
Voltage
North American: 18...32V, max 8 A, limited voltage source
Voltage type for actuating
DC
Wire type
Unshielded on relay ports
Wiring category
1 - on relay ports
Communication
A digital network that is used between a main module and its expansion modules is implemented on the local bus, Communication does not link main modules
Power
Passes power from each main module (1444-DYN04-01RA) to its expansion modules, Power is not passed between main modules, When redundant power supplies are connected to a main module, only the voted power source is distributed to its expansion modules.
TTL signals
Dual independent TTL signals, with tachom sensor status, are passed on the local bus, There can be only one tachom expansion module on a local bus, The TTL signal can serve up to six main modules
Fault Management
Communication link timeout (fixed)
100 ms
Host notification
Local bus status indication
Indication
Update status indicator
Relay action
Select fault on any of Module
Conducted RF immunity
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Conductor/insulation temperature rating, min
85 °C
Conformal coating
All printed circuit boards are conformal coated in accordance with IPC-A-610C and in compliance with: IPC-CC-830 B, UL508
EFT/B immunity
±3kV @ 5kHz on unshielded relay ports
ESD immunity
6 kV contact discharges, 8 kV air discharges
Emissions
IEC 61000-6-4
Nonoperating temperature
-40 °C
Operating temperature
-25 °C
Operating temperature (screw type only), max
115 °C
Operating temperature (spring type only), max
105 °C
Radiated RF immunity
10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 1 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Relative humidity
5...95% noncondensing
Surge transient immunity
±1 kV line-line (DM) and ±2 kV line-earth (CM) on unshielded relay ports
Surrounding air temperature, max
70 °C
Mechanical
Conductor UL/cUL AWG (screw type only)
0.05 mm²
Conductor UL/cUL AWG (spring type only)
0.08 mm²
Conductor cross section AWG/kcmil
0.08
Conductor cross section solid or stranded
0.14
Conductor crosssection stranded with ferrule with plastic sleeve
0.25
Conductor crosssection stranded with ferrule without plastic sleeve
0.25
Enclosure type rating
None (open-style)
Mechanical life operations
10000000 minimum
Operating time, max
15 ms @ rated voltage
Rail mounting possible
True
Releasing time, max
5 ms @ rated voltage
Shock
Operating: 15 G
Stripping length
9 mm
Torque (screw type only)
0.22 nm
Vibration
2.0 G @ 10…500 Hz
Weight
Without terminal base: 0.28 kg
With detachable clamps
True
Construction
Contact arrangement
Single pole double throw (SPDT) change-over contact
Contact material
Gold plated
Depth
Without terminal base: 154 mm
Height
Without terminal base: 65 mm
Number of status indicators
6
Width
Without terminal base: 54 mm
Drawings
3D Dimension Drawings(STP) Download (ZIP)
Product Drawing Drawing (DXF)
Drawings
3D Dimension Drawings(STP) Download (ZIP)
Product Drawing Drawing (DXF)
General Publication
Product Cutsheet --
Technical Data Publication
1444-td001_-en-p 1444-TD001
User Manual Publication
1444-um001_-en-p 1444-UM001
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center Search the Literature Library
China CCC ATEX IECEx Scheme
  • China CCC
  • ATEX
  • IECEx Scheme
  • MOROCCO DOC
  • UK EX CERTIFICATE

This product was certified with the above certifications as of 2026-08-11. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.

Search the Literature Library
Regulatory Information
EU Importer Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

EU Authorized Representative Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

Items Per Page:
1-1 of 1
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
Overview
Unique Product Identifier
1444-RELX00-04RB
UPC
885630427072
Estimated Lead Time
87 days
Standard Warranty Duration

1 year See details

Country of Origin
United States of America
Electrical & Connectivity
Number Of Outlet
4
Number of Relays
4
Status indicator
Power, Relay status (4), Local bus status
Conductor type
Copper
Consumption
1.6 W
Current
56mA @ 24V (73...48mA @ 18...32V)
Dissipation
2.3 W
Electrical life cycle
50000 minimum
Inductive load
5A @ 250V AC
Isolation voltage
250V (continuous), basic insulation type between relay ports and system, Type tested at 1500V AC @ 60s
Model
Expansion device
Number of relays
4
Permissible load, min
10mA @ 5V DC
Rated carry current
8 A
Rated control supply voltage at DC
18 V
Rated current, max
DC: 5 A
Rated voltage, max
250V AC
Resistive load
DC 24V @ 5A @ 40 °C (104 °F)
Switching capacity, max
Resistive load: 2000VA
Type of electric connection
Spring clA connection
Voltage
North American: 18...32V, max 8 A, limited voltage source
Voltage type for actuating
DC
Wire type
Unshielded on relay ports
Wiring category
1 - on relay ports
Communication
A digital network that is used between a main module and its expansion modules is implemented on the local bus, Communication does not link main modules
Power
Passes power from each main module (1444-DYN04-01RA) to its expansion modules, Power is not passed between main modules, When redundant power supplies are connected to a main module, only the voted power source is distributed to its expansion modules.
TTL signals
Dual independent TTL signals, with tachom sensor status, are passed on the local bus, There can be only one tachom expansion module on a local bus, The TTL signal can serve up to six main modules
Technical Specifications
Fault Management
Communication link timeout (fixed)
100 ms
Host notification
Local bus status indication
Indication
Update status indicator
Relay action
Select fault on any of Module
Compliance & Environment
Conducted RF immunity
10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Conductor/insulation temperature rating, min
85 °C
Conformal coating
All printed circuit boards are conformal coated in accordance with IPC-A-610C and in compliance with: IPC-CC-830 B, UL508
EFT/B immunity
±3kV @ 5kHz on unshielded relay ports
ESD immunity
6 kV contact discharges, 8 kV air discharges
Emissions
IEC 61000-6-4
Nonoperating temperature
-40 °C
Operating temperature
-25 °C
Operating temperature (screw type only), max
115 °C
Operating temperature (spring type only), max
105 °C
Radiated RF immunity
10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 1 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
Relative humidity
5...95% noncondensing
Surge transient immunity
±1 kV line-line (DM) and ±2 kV line-earth (CM) on unshielded relay ports
Surrounding air temperature, max
70 °C
Physical Characteristics
Mechanical
Conductor UL/cUL AWG (screw type only)
0.05 mm²
Conductor UL/cUL AWG (spring type only)
0.08 mm²
Conductor cross section AWG/kcmil
0.08
Conductor cross section solid or stranded
0.14
Conductor crosssection stranded with ferrule with plastic sleeve
0.25
Conductor crosssection stranded with ferrule without plastic sleeve
0.25
Enclosure type rating
None (open-style)
Mechanical life operations
10000000 minimum
Operating time, max
15 ms @ rated voltage
Rail mounting possible
True
Releasing time, max
5 ms @ rated voltage
Shock
Operating: 15 G
Stripping length
9 mm
Torque (screw type only)
0.22 nm
Vibration
2.0 G @ 10…500 Hz
Weight
Without terminal base: 0.28 kg
With detachable clamps
True
Construction
Contact arrangement
Single pole double throw (SPDT) change-over contact
Contact material
Gold plated
Depth
Without terminal base: 154 mm
Height
Without terminal base: 65 mm
Number of status indicators
6
Width
Without terminal base: 54 mm
Drawings
Drawings
3D Dimension Drawings(STP) Download (ZIP)
Product Drawing Drawing (DXF)
Drawings
3D Dimension Drawings(STP) Download (ZIP)
Product Drawing Drawing (DXF)
Documents
Product Cutsheet General
--
1444-td001_-en-p Technical Data
1444-TD001
1444-um001_-en-p User Manual
1444-UM001
General Publication
Product Cutsheet --
Technical Data Publication
1444-td001_-en-p 1444-TD001
User Manual Publication
1444-um001_-en-p 1444-UM001
Looking for more documentation?
Find curated technical documentation for this product in the Technical Documentation Center, or search our full Literature Library.
Visit the Technical Documentation Center Search the Literature Library
Certifications
{name=China CCC, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/1444-ct011_-en-e.pdf} {name=ATEX, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/1444-ct015_-en-e.pdf} {name=IECEx Scheme, link=http://literature.rockwellautomation.com/idc/groups/literature/documents/ct/1444-ct016_-en-e.pdf}
  • China CCC
  • ATEX
  • IECEx Scheme
  • MOROCCO DOC
  • UK EX CERTIFICATE

This product was certified with the above certifications as of 2026-08-11. Products sold before or after this date might carry different certifications. Please review the product label to check for the certifications your specific product carries.

Looking for certification documents?
Explore certifications for this product and more in our comprehensive Literature Library.

Search the Literature Library
Regulatory Information
EU Importer Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

EU Authorized Representative Address

Rockwell Automation N.V
Pegasus Park
De Kleetlaan 12A
1831 Diegem
Belgium

Alternative Products
Items Per Page:
1-1 of 1
Technotes
Technotes
Looking for more Technotes?
Find questions and answers from Rockwell Automation technical experts for this product in our Knowledgebase.
Search Knowledgebase
InformationInformation
Multiple countries of origin based on manufacturing location
Expansion Relay Module
CloseClose
1444-RELX00-04RB
Close
Print
Phone:
Call
InformationInformation

Please review your distributor selection

Choose distributor
Rockwell Automation Home
Copyright ©2026 Rockwell Automation, Inc.
Environmental compliance inquiry
All fields with * are required.
This field is required
This field is required
This field is required
This field is required
This field is required
This field is required
Your inquiry has been successfully submitted.
Please allow up to 5 business days to receive a response to your inquiry.
You can now close this window.
There was an error submitting your inquiry.
Please try again.
Sign in to your Rockwell Automation account to submit a repair documentation request.
Sign In
Request repair documentation
All fields with * are required for processing your request.
Please enter your business email address
This field is required
This field is required
This field is required
This field is required
Documentation of liability insurance is required for anyone who is requesting documentation for product repairs.
UploadUpload
Please upload documentation of Liability Insurance, Professional Establishment, and Technical Competence for the applicable EU Member Country.*
Accepted file types: zip, pdf. Max file size: 5 MB. Limit 3 files.
CloseClose
File size is too large. Must be less than 5 MB.
File limit exceeded. Maximum 3 files allowed.
This field is required
Right to Repair Terms and Conditions
Rockwell Automation is making, parts, and service documentation available at your request in compliance with applicable right to repair laws and regulations. By signing below, you are agreeing to the following terms and conditions of your purchase of Rockwell Automation genuine repair parts for repair of a Rockwell Automation product. As used below, “Self Service Repair Parts” means genuine Rockwell Automation parts (components of Rockwell Automation products) purchased from Rockwell Automation for installation in a Rockwell Automation product as part of a Self Service Repair. Self Service Repair Parts may be new or previously used genuine Rockwell Automation parts that have been tested and passed Rockwell Automation functional requirements. “Self Service Repair Tools” means equipment and related materials purchased for the purpose of performing repairs.
This field is required
Your request has been successfully submitted.
Please allow up to 5 business days to receive a response to your inquiry.
You can now close this window.
This catalog number is not currently eligible, please check the number you have entered or learn more about our repair services offered.
  1. Chevron LeftChevron Left Rockwell Automation Home
  2. Chevron LeftChevron Left Products
Please update your cookie preferences to continue.
This feature requires cookies to enhance your experience. Please update your preferences to allow for these cookies:
  • Social Media Cookies
  • Functional Cookies
  • Performance Cookies
  • Marketing Cookies
  • All Cookies
You can update your preferences at any time. For more information please see our {0} Privacy Policy
CloseClose