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Honeywell 05704-A-0121 System 57 5704 Quad Relay Interface Card

HONEYWELL / SYSTEM 57 5704INQUIRY DESK

Honeywell 05704-A-0121 System 57 5704 Quad Relay Interface Card

Honeywell 05704-A-0121 links a System 57 four-channel control card to four configurable changeover relays.

RELAY OUTPUTS4 SPCO
FIELD TERMINALS2.5 mm² / 14 AWG
Selection note: Confirm the paired control card, channel wiring, relay logic, remote inputs and rack access before ordering.
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Product Specifications
Manufacturer Honeywell
Item number 05704-A-0121
Country of Origin USA
Lead Time 2-3 DAYS
After-Sales Support For after-sales support, please contact May.
HS Code / Commodity code Please confirm the destination before shipping.
FAQ

Quotes are valid for 30 days from the day the quote is received unless stated otherwise at the time of quotation.

Yes,we offer one year warranty for all new products.

Yes. We worked with FEDEX/DHL/TNT/UPS/ allowing us to provide swift global delivery of parts to any corner of the world.

Normally 3-5 working days,some remote areas 5-7 days more.

Product information
01

05704-A-0121 Official 5704 Interface Parameters

Honeywell channel, relay, terminal, power and mechanical data for the exact Quad Relay Interface Card.

CHANNELS & RELAYS
SYSTEM FAMILYSystem 57 5704
CARD FUNCTIONFour-channel field and relay interface
SENSOR CHANNELS4
RELAY OUTPUTS4 single pole changeover
ALARM ASSIGNMENTSA1, A2, A3, fault or inhibit
OUTPUT MODEIndividual or master
REMOTE INPUTSReset and inhibit
ANALOGUE OUTPUT CONNECTIONSChannels 1 to 4
POWER CONNECTIONS+24 V input and 0 V input
RELAY OPERATIONSelectable latching / non-latching
ELECTRICAL & MECHANICAL
RELAY ENERGIZATIONSelectable energised / de-energised
AC CONTACT RATING5 A at 110 / 250 V AC, non-inductive
DC CONTACT RATING5 A at 32 V DC, non-inductive
FIELD TERMINALS2.5 mm² / 14 AWG
MAXIMUM POWER1.7 W
TYPICAL POWER1 W
HEIGHT132 mm
WIDTH25 mm
DEPTH119 mm
WEIGHT230 g
02

How 05704-A-0121 Connects 5704 Channels to Field Devices

Sensor terminals, configurable alarm contacts and remote functions in the four-channel signal path.

01

Connect four sensors

Channel terminal groups carry the field signal wiring between the sensors and their four-channel control card.

02

Provide four alarm relays

Four voltage-free SPCO contacts can be assigned to alarm, fault or inhibit functions.

03

Select relay logic

Outputs can operate as individual or master relays with latching and energization modes chosen in configuration.

04

Accept remote commands

Dedicated terminals support remote reset and remote inhibit functions for the 5704 channel group.

05

Route analogue outputs

The card includes analogue channel connections when the corresponding output modules are fitted.

06

Support relay expansion

Connector J1 accepts the expansion relay card when the 16-relay interface assembly is required.

03

Honeywell 05704-A-0121 Buyer FAQ

Procurement-focused guidance for compatibility, application, lifecycle, replacement, manuals and quotation.

01

What field connections are provided by Honeywell 05704-A-0121?

Honeywell 05704-A-0121 provides four sensor channel interfaces, four analogue channel connections, remote reset and inhibit inputs, power terminals and four relay contact groups.

02

Which 5704 control cards work with Honeywell 05704-A-0121?

Honeywell 05704-A-0121 interfaces with the appropriate System 57 four-channel control card. Match the installed catalytic or 4–20 mA card and wiring topology before replacement.

03

Where is Honeywell 05704-A-0121 used in a gas-detection system?

Honeywell 05704-A-0121 sits between a 5704 four-channel control card and field sensors while providing configurable alarm contacts for external circuits.

04

Is Honeywell 05704-A-0121 still supplied as a current product?

Honeywell states that System 57 is no longer available and is supported as spares only. Apter Power can check Honeywell 05704-A-0121 sourcing and condition.

05

What must be preserved when replacing Honeywell 05704-A-0121?

Record the paired control card, sensor topology, S/01/NS terminals, relay assignments, remote inputs, analogue outputs and rack access. No official direct replacement is published.

06

Which manual and quote details are required for Honeywell 05704-A-0121?

Use the System 57 5704 operating instructions. Send the card label, control-card number, rack photos, channel wiring, relay configuration, quantity and destination.

04

Professional Automation Supply Team

Balanced experience, technical judgment and patient service for complex automation sourcing.

01 / TEAM

Nearly 10 Years of Industry Experience

Our team members have an average of more than 10 years of industry experience. We have worked with customers worldwide, including those from India, Germany, Sweden, Italy, Russia, Venezuela, Israel, and many other countries. Throughout our careers, we have collectively completed over 3,000 orders and established long-term business relationships with customers across nearly 30 countries.

02 / TEAM

Professional Product Judgment

We can often identify a product’s manufacturer, series, configuration, and function from its model number or nameplate photo. We also understand how revisions, firmware, and specifications affect compatibility and whether an alternative model can be used safely.

Apter automation supply team working in the office
Experienced Support for Automation SourcingOur team reviews model details, compatibility requirements and sourcing priorities to provide clear, practical purchasing support.

Sincere and Patient Service

Our team treats every inquiry sincerely and answers every question patiently. Even for complex requests, we verify and respond to each detail instead of providing a rushed or uncertain answer.

03 / TEAM

In Practice — India

An Indian customer urgently needed a discontinued control module after several suppliers reported no stock. We identified its exact revision and function from the nameplate, checked compatible alternatives, and contacted factory and warehouse channels to locate matching inventory. After installation, the customer confirmed that the module operated correctly and later asked us to source additional spare parts.

05 / TEAM

In Practice — Germany

A German customer sent a mixed list of automation products and asked repeated questions about revisions, condition, photos, and delivery. Our team organized the requirements, checked every item, and replied point by point. The customer said our detailed communication made the purchasing decision easier and continued sending us new inquiries.

10+YEARS EXPERIENCE
3,000+COMPLETED ORDERS
30COUNTRY NETWORK
05

After-Sales Support

Documentation, warranty coordination and responsive service from inquiry through delivery.

SERVICE 01

Warranty Support

Most products are covered by a warranty of up to 12 months, subject to the applicable terms and conditions. If any product-related issue occurs during the warranty period, our team will assist you and provide an appropriate solution.

SERVICE 02

Technical Documentation

Relevant datasheets and technical literature can be provided with the goods, offering useful information for product identification, installation, operation, and maintenance.

SERVICE 03

Fast Response

We understand the importance of minimizing equipment downtime. Our team responds promptly to inquiries and provides professional assistance with product information, quotations, order status, shipping, and after-sales questions.

SERVICE 04

Global Customer Service

We serve customers worldwide and provide reliable assistance from inquiry to delivery and after-sales service, ensuring clear and timely communication throughout the process.

SERVICE 05

Long-term Spare Parts Supply

We continue to source discontinued, obsolete, and hard-to-find automation parts from various brands, helping customers maintain existing equipment and reduce downtime caused by spare parts shortages.

06

More Specialist Automation Models

Thirty-nine varied references selected from the supplied niche-product document for broader sourcing requests.

MIXED MODEL SET 01
01XM32 X13651465010
02DM4T 4940275
03UE4740-22H0000
04C3COM-3
053HE15377AARA01 INUIAG2HAA
06PTXE6A-M
07OPT-B8-V:3Pt100 181B0305 OPT-B8-V
08TSC2
09UCS-52
10SNC-CH110
11CRT341
12VIB-10B
13DIN-8SW8
MIXED MODEL SET 02
144906GY
15TPNN0077
16DPG500
17A2BM4-000
18MODG2-12LC-SM-PT
19TF42-4.2 1SAZ721201R1035
20TXA207D
21NC3MD-LX
22U1-MA
23EY-IO550F001
24EMC2 API4SG10 712G p/n 071-000-521
25807224 IQ8
26M21NSXA-LDN-HD-02
MIXED MODEL SET 03
27WIQ82650
28JL086A JL086-61002
29CONTREXGRP/1/PV2122-01077-1
30SB-DIM4c3A-DN
31DT-7
325363 EV45
33S5550/4,NG100,0
34DIS DC 6120
35HE-67P3-0N00P
36EV45
37C2IR-8
38FC-TSDO-0824
39XJM03-5942
DIRECT CONTACT

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