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Honeywell 05701-A-0325 System 57 DC Input Card

HONEYWELL / SYSTEM 57 POWER ENTRYEND-OF-LIFE SYSTEM PART
SYSTEM 57 RACK POWER

05701-A-0325

Honeywell 05701-A-0325 is a System 57 DC input card for fused, diode-isolated primary and auxiliary 24 V DC rack power distribution.

BEFORE INSTALLATIONConfirm the rack power budget, earth connection, dual-supply arrangement and TB1 wiring before installation.
SYSTEM STATUSSystem 57 reached end of life
MIGRATION PATHTouchpoint system review required
Brand New OriginalOne Year WarrantyWorldwide Shipping
INQUIRE NOW
  • Worldwide delivery
  • Delivery from stock
  • In stock really means in stock
  • No account required
  • Shipped from the China
Product Specifications
Manufacturer Honeywell
Item number 05701-A-0325
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
FIELD JOURNAL

05701-A-0325 Power Entry and Terminal Parameters

Honeywell rack-power, terminal, protection and engineering-interface details for the exact DC input card.

SUPPLY ARCHITECTURE
CONTROL SYSTEMSystem 57
COMPATIBLE SUB-RACKS5701, 5704 and 5704F
CARD FUNCTIONDC power entry and distribution
NOMINAL SUPPLY24 V DC
EXTERNAL CONNECTIONRemovable two-part TB1
TB1 TERMINAL CAPACITY12 terminals
SOURCE INPUTSPrimary PSU plus auxiliary / standby supply
INPUT ISOLATIONDiode-isolated supply paths
LOAD-SOURCE RULEHigher-voltage source normally supplies the load
CURRENT SHARINGCan occur with suitable parallel sources
PASS-THROUGH WIRINGSite PSU and auxiliary supply pairs
RACK POWER PATHEngineering Card and rack backplane
PROTECTION & SYSTEM INTEGRATION
ANCILLARY OUTPUTFused +24 V and 0 V pair
OUTPUT FUSEFS1, 10 A
ELECTRICAL PROTECTIONReverse-polarity protection
INTERFERENCE PROTECTIONRFI filtering
ENGINEERING OPTION INTERFACETB2, six terminals
SUPPORTED OPTION ROLESModbus, event printing or alarm update
BACKPLANE CURRENT LIMIT8 A maximum
5704 CATALYTIC THRESHOLDMore than eight cards requires distributed power
HIGH-CARD-COUNT ROUTINGVia associated Quad Relay Interface Cards
PROTECTIVE EARTHDedicated TB1 earth connections
DIMENSIONS112 x 25 x 102 mm
WEIGHT129 g
02
FIELD JOURNAL

How 05701-A-0325 Powers and Protects a System 57 Rack

A practical path from site power and standby battery to protected backplane distribution and ancillary loads.

USE 01

Bring site DC power into the rack

TB1 accepts the external nominal 24 V DC supply used to energize the System 57 sub-rack.

USE 02

Add standby battery support

A separate auxiliary input can accept a backup battery source for continuity during loss of the primary supply.

USE 03

Isolate the two supply paths

Diodes separate the PSU and AUX inputs while allowing the higher-voltage source to carry the load.

USE 04

Protect distributed rack power

The card combines reverse-polarity protection, RFI filtering and a fused output for connected circuits.

USE 05

Feed ancillary equipment

The fused +24 V and 0 V pair can supply approved ancillary equipment within the calculated power budget.

USE 06

Support engineering options

The six-terminal TB2 connection provides the card-side interface used by supported Engineering Card plug-in modules.

03
FIELD JOURNAL

Common buyer questions about 05701-A-0325

Practical purchasing guidance for clearer, more confident decisions.

01BUYER QUESTION

Why does Honeywell 05701-A-0325 provide separate PSU and AUX input pairs?

The two input paths allow a site power supply and a standby battery supply to be connected through diode isolation. The higher-voltage source normally carries the load, and current can be shared in some conditions.

02BUYER QUESTION

Which TB1 terminals should be used for primary and standby power on Honeywell 05701-A-0325?

Connect the primary 24 V DC source to terminals 12 and 11. Connect the standby auxiliary source to terminals 8 and 7; terminals 10/9 and 6/5 provide the corresponding through-wiring pairs.

03BUYER QUESTION

How should the fused ancillary output of Honeywell 05701-A-0325 be assessed?

The combined output is available at TB1 terminals 4 and 3 through 10 A fuse FS1. The complete rack and ancillary-device power budget must remain within the installation limits.

04BUYER QUESTION

What does TB2 do on Honeywell 05701-A-0325?

TB2 is a six-terminal interface for supported Engineering Card plug-in options. Its terminal functions depend on whether the installed option is Modbus, event printing or alarm update hardware.

05BUYER QUESTION

When should Honeywell 05701-A-0325 avoid carrying the full 5704 rack load?

For installations with more than eight 5704 catalytic cards, Honeywell recommends powering the control cards through their associated Quad Relay Interface Cards and using 05701-A-0325 for the Engineering Card only.

06BUYER QUESTION

What migration and quotation details are needed for obsolete Honeywell 05701-A-0325?

System 57 has reached end of life and Honeywell does not identify a drop-in card replacement. Touchpoint Plus or Touchpoint Pro is a system-level migration; send rack, supply, load, terminal and nameplate details for review and quotation.

04
FIELD JOURNAL

Our Company History

A long-term commitment to honest service, dependable support and responsible delivery.

2005 → TODAY

Since our company was founded, we have served every customer with sincerity and professionalism. Our prices may not always be the lowest, but we earn long-term trust through quality products, dependable after-sales support, honest condition reporting, timely communication and responsible delivery. Our goal is to build lasting partnerships rather than pursue one-off transactions.

Our team at work in 2020
OUR TEAM AT WORK IN 2020
2005

The Beginning

Company was founded in Xiamen, Fujian, China, in 2005 with a team of only four people. At that time, we mainly served selected European and North American markets, supplying commonly requested industrial automation products from Siemens, Allen-Bradley and Bently Nevada. Although the business was still developing and we completed relatively few orders, this period helped us build essential product knowledge and international trade experience.

2017

A Period of Growth

By 2017, our team had grown to approximately 30 people, and we had established a warehouse for in-stock automation components. Our business expanded across Europe, North America and Southeast Asia, while our product range grew from popular models to scarce and discontinued industrial automation parts. As our product knowledge and service experience increased, we completed nearly 20 orders per month on average.

TODAY

Serving Customers Worldwide

Today, Company serves customers worldwide with a professional team of approximately 60 people. Our warehouse holds a broad selection of industrial automation components, including popular products, hard-to-find parts and discontinued models. We now complete more than 30 orders per month, with an average monthly transaction value of approximately USD 3 million. We have established long-term partnerships with nearly 30 customers from different countries and welcomed almost 40 international customers to visit our company.

05
FIELD JOURNAL

Transaction Cases

Customer experiences built on careful verification, clear communication and dependable service.

Sincere Cooperation, Long-Term TrustTechnical review · clear evidence · responsible delivery
Russia01

A Russian customer urgently needed a replacement for a discontinued automation component. After reviewing the product label, technical parameters, and application details, our engineers recommended a compatible alternative and provided photos and test videos before shipment. The alternative performed well, enhancing the customer's confidence in our technical capabilities and leading to multiple repeat orders.

India02

An Indian customer still had doubts after initial online communication with us, so they visited our company in person for a face-to-face meeting and product inspection. This visit increased the customer's trust and led to the successful placement of their first order. Over the next few years, we completed multiple orders and established a stable, long-term partnership.

Venezuela03

A Venezuelan customer needed a specific automation component and compared products and services from several suppliers online. After nearly three weeks of careful consideration, our sincere communication, professional service, and reliable product quality won the customer's trust. After receiving the product and using it for several weeks without any problems, the customer gave us positive feedback and subsequently placed multiple orders.

06
FIELD JOURNAL

Other automation models

More industrial automation references to support diverse sourcing requirements.

CATALOGUE INDEX 01
014DP7APX0D 311F
02HHC12WM
03CRC3044BC
04CLLYUB4024S
05B501-IV
06AV5155DN
07AVAYA 700283690
08FP-TC-120 186424A-01
09MS-16DI
10EM-09
11SF230A-S2
12SK41-32
13XM30 X13651469010
CATALOGUE INDEX 02
14DIM-6CH-2A
15LR9502
16SB522A
17MTL4513
18CLIOP831A
19SP3- GT35
20REG-K 12X230/16
21C2N-MNETGW
22D320Dom1600R
23LIP-1ECTB EIA709/IP
24E244-16C-G-LS-SN-CR-SQ-BR
25DSU110F001
26KFD2-HMM-16
CATALOGUE INDEX 03
27SBD3D-06
28APJ6385
29CLAXEH00ND100A
30QTS00-008
31KFD2-UT2-1 191884
32XG-E700
33TZ370 APL57-100
34MS-16DO
35PCD7.D230
36R911172296 SLC-A-UE12-2FG3D0
37ADCDW3895TU
38CM-1-439
39TE500CW12D2A1E2
DIRECT CONTACT

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