SRM53D-000/BR4 Yokogawa Relay Board

Analog Terminal Relay Output Module | Yokogawa SRM53D-000/BR4

Analog Terminal Relay Output Module | Yokogawa SRM53D-000/BR4

Availability: 10 left in stock

Yokogawa SRM53D-000/BR4 Analog Terminal Board The Yokogawa SRM53D-000/BR4, also cataloged as the SRM53D Relay Output Module, operates as a dedicated...

SKU: SRM53D-000/BR4

Manufacturer: Yokogawa
Product No.: SRM53D-000/BR4
Product Type: Relay Output Modules
Product Origin: JAPAN
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Yokogawa SRM53D-000/BR4 Analog Terminal Board

The Yokogawa SRM53D-000/BR4, also cataloged as the SRM53D Relay Output Module, operates as a dedicated hardware component for discrete loop isolation and digital output execution within industrial distributed control system networks. Configured for high-availability signal conditioning, the module provides direct interface routes between sensitive system logic buses and heavy field actuators.

Layout Configuration Selection: Layout 1

Hardware Specifications

Parameter	Specification
Model	SRM53D-000/BR4
Brand	Yokogawa Electric Corporation
Origin	Japan
Weight	5.0 kg shipping weight (0.35 kg net assembly weight)
Dimensions	Standard 19-inch rack-mountable physical enclosure envelope
Operating Temp	0 to +60 deg C
Power Consumption	3.5 W nominal
Configuration	8 x 2 dry contact output architecture with built-in safety relays
Channel Count	32 mechanical relay output channels
Output Contact Type	SPST (single-pole single-throw) mechanical dry contacts
Switching Voltage Limit	24 VDC nominal rating
Maximum Continuous Load	2 A per individual channel path
Contact Path Resistance	Less than or equal to 50 mΩ
Dielectric Isolation	Channel-to-system circuit isolation rated at 1500 VAC
Dynamic Response Time	Less than or equal to 10 ms cycle transition
Field Termination Base	Heavy-duty M4 screw terminal blocks and integrated MIL connectors
Model Suffix Profile	Basic type, 19-inch rack-mountable, BR4 variant setup
Storage Temperature	-20 to +70 deg C
Humidity Tolerances	5 to 95% RH (non-condensing)

Process Control & DCS Instrumentation Technical Attributes

This specialized terminal board provides robust galvanic isolation boundaries designed to safeguard internal processor cards against high-voltage induction events up to 1500 VAC. The module relies on a series of onboard safety relays and dry contact mechanics to cleanly break or complete field circuits with minimal contact degradation. To preserve signal integrity across critical interlock networks, the layout supports redundant backplane tracking, allowing continuous system operation and complete signal availability during hot-swap maintenance routines.

Frequently Asked Questions

Q: What operational benefit does the built-in safety relay architecture provide on the SRM53D?

A: The integrated safety relay array ensures positive, mechanical break operation under designated fault conditions, preventing stuck-at-on contact failures from freezing external field actuators in unsafe configurations.

Q: Can this terminal module handle mixed inductive and resistive load arrays on adjacent paths?

A: Yes, though inductive loads require external surge suppression components mounted directly across the field device to prevent contact pitting and high-frequency noise injection into the module chassis.

Field Installation Guidelines

Chassis Rail Attachment: Align the module mounting ears with standard vertical 19-inch cabinet rails, securing the assembly with proper load-rated machine screws to maintain structural bond paths.
Terminal Ring Termination: Crimp matching ring or spade lugs onto field loop wires before attaching them to the M4 screw blocks, torquing each connection down firmly to create low-resistance electrical contact.
Shield Grounding Paths: Route all instrument wire shields directly to the localized common clean earth ground bar inside the control cabinet enclosure, keeping shield tails as short as possible.
Inductive Load Suppression: Install external flywheel diodes across DC solenoids or RC snubber circuits across AC coils to restrict arcing voltage transients across the internal dry contacts.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.