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PLC 1771-A1B 4-Slot I/O Chassis
PLC 1771-A1B 4-Slot I/O Chassis
PLC 1771-A1B 4-Slot I/O Chassis

PLC 1771-A1B 4-Slot I/O Chassis

4-SLOT I/O CHASSIS

1771-A1B

The 1771-A1B is a panel-mounted universal I/O chassis with four module slots and a maximum backplane current of 16 A at 5 V DC. Its documented dimensions are 229 × 315 × 193 mm, and it weighs 3.6 kg without modules.

CATALOG1771-A1B
I/O SLOTS4 I/O slots
DIMENSIONS229 × 315 × 193 mm
WEIGHT3.6 kg (8 lb)
BRANDPLC
PRODUCT TYPE4-Slot I/O Chassis
CONDITION / WARRANTYOriginal New · One-Year Warranty
VERIFICATIONPhotos and video after inquiry

  • Бренд :

    PLC

  • номер части :

    1771-A1B

  • Описание :

    4-Slot I/O Chassis
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PRODUCT INFORMATION● OFFICIAL I/O CHASSIS DATA
4-SLOT I/O CHASSIS

1771-A1B

4-SLOT I/O CHASSIS

4 I/O SLOTS · PANEL MOUNT · 16 A AT 5 V DC BACKPLANE

PRODUCT ROLE
1771-A1B is a panel-mounted universal I/O chassis with four module slots and a maximum backplane current of 16 A at 5 V DC. Its documented dimensions are 229 × 315 × 193 mm, and it weighs 3.6 kg without modules.
INSTALLATION CHECK
Confirm the complete 1771-A1B label, installed chassis, module arrangement, keying, wiring, grounding and backplane-current requirement before installation or replacement.
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Frida
Sales Leader 🏆
EMAILsales5@mooreplc.comWHATSAPP+86 153 5940 8275
ORDER NUMBER BREAKDOWN

What the 1771-A1B catalog number identifies

1771-A1B
Complete catalog numberUniversal I/O chassis
VERIFIED MANUFACTURER-REFERENCE DATA

Technical Specifications

1771-A1B INSTALLATION DATA ↗
1771-A1B

Engineering data at a glance

Click “+” to expand the model-specific information.

MOUNTINGPanel
I/O SLOTS4 I/O slots
DIMENSIONS229 × 315 × 193 mm
WEIGHT3.6 kg (8 lb)
Verified chassis data

Official manufacturer documentation identifies 1771-A1B is a panel-mounted universal I/O chassis with four module slots and a maximum backplane current of 16 A at 5 V DC. Its documented dimensions are 229 × 315 × 193 mm, and it weighs 3.6 kg without modules.

GENERAL INFORMATION −
BrandPLC
Model1771-A1B
Product type4-slot I/O chassis
I/O module slots4
MountingPanel
Maximum backplane current16 A at 5 V DC
Dimensions (W × H × D)229 × 315 × 193 mm (9.0 × 12.4 × 7.6 in.)
Weight without modules3.6 kg (8 lb)
Supersedes1771-A1
Compatible Series A replacement1771-A1B
EnclosureOpen style
Chassis and Electrical Specifications ＋
I/O module slots4
MountingPanel
Dimensions (W × H × D)229 × 315 × 193 mm (9.0 × 12.4 × 7.6 in.)
Weight without modules3.6 kg (8 lb)
Weight without modules16 A at 5 V DC
Compatible Series A replacement1771-A1B
EnclosureOpen style
Supersedes1771-A1
Environmental Specifications ＋
Operating temperature0 to 60 °C (32 to 140 °F)
Nonoperating temperature-40 to 85 °C (-40 to 185 °F)
Relative humidity5…95% without condensation
Enclosure / mountingOpen style; panel mount
Vibration2 g at 10 to 500 Hz
Operating shock15 g
Nonoperating shock30 g
Maximum backplane current16 A at 5 V DC
Source: official Universal I/O Chassis installation instructions, publication 1771-IN075A-EN-P.
FAQ

Questions Buyers Ask Most

How should engineers verify the backplane-current budget for 1771-A1B?＋

The 1771-A1B is a four-slot universal I/O chassis rated for a maximum 16 A backplane current at 5 V DC. Sum every installed module’s backplane draw and keep the total within this limit before commissioning.

What must be checked when replacing a 1771-A1 chassis with 1771-A1B?＋

The 1771-A1B is documented as the compatible Series A replacement and supersedes 1771-A1. Before replacement, record module positions, chassis series, keying and wiring, then confirm every installed module remains compatible.

How does the four-slot capacity of 1771-A1B affect module planning?＋

The 1771-A1B provides four I/O module slots. Preserve the required module sequence and keying, confirm that all planned modules physically fit, and verify their combined 5 V DC backplane demand does not exceed 16 A.

Which mounting and cabinet dimensions must be checked for 1771-A1B?＋

The 1771-A1B is panel mounted and measures 229 × 315 × 193 mm (W × H × D). Allow cabinet clearance for the chassis and installed modules, and account for its 3.6 kg weight without modules.

Which environmental limits govern installation of 1771-A1B?＋

The 1771-A1B operates from 0 to 60 °C with 5 to 95% noncondensing humidity and is an open-style chassis. The enclosure must also suit the stated vibration and shock limits.

What evidence should be recorded before a planned 1771-A1B replacement?＋

For 1771-A1B, record the full catalog number, chassis series, installed module order, keying, wiring-arm connections, grounding and total backplane load. This evidence is needed to reproduce the existing four-slot configuration without compatibility assumptions.

What information is needed for an accurate 1771-A1B sourcing inquiry?＋

For 1771-A1B, provide the exact catalog number, chassis series, module list, nameplate and installation photos, required quantity, destination and replacement objective. These details support verification of the four-slot chassis and installed-system requirements.

CONTACT PRODUCT SPECIALIST

Check 1771-A1B configuration with Frida

Share the exact model, installed hardware, wiring, application record and quantity for compatibility checking.

CHOOSE A DIRECT CONTACT METHOD
OFFICIAL DATASHEET

Manuals and Official References for 1771-A1B

Official installation data for 1771-A1B documents four I/O slots, panel mounting, dimensions of 229 × 315 × 193 mm, a chassis weight of 3.6 kg without modules, a 16 A maximum backplane current at 5 V DC, and environmental ratings. 1771-A1B

1771-A1B Installation Data

Official installation data for 1771-A1B documents four I/O slots, panel mounting, dimensions of 229 × 315 × 193 mm, a chassis weight of 3.6 kg without modules, a 16 A maximum backplane current at 5 V DC, and environmental ratings.

OPEN OFFICIAL INSTALLATION DATA ↗

Contact to Get Support

Send the exact model, quantity, complete label, installed system details and your technical or purchasing question.

Source: official Universal I/O Chassis installation instructions, publication 1771-IN075A-EN-P.

MODEL IDENTIFICATION

How the 1771-A1B reference should be verified

1771-A1B is the complete product reference. Do not install or substitute the product until the exact model, revision, wiring and system compatibility are verified.

PLATFORM / TYPEUniversal I/O chassis
→
COMPLETE MODEL1771-A1B
→
CONFIGURATION / SYSTEM4 I/O slots · 16 A at 5 V DC
Installed System

Record the installed modules, keying, wiring-arm connections, chassis mounting, grounding and available backplane current.

Module Evidence

Confirm module keying, backplane connectors, installed positions and the total 5 V DC backplane load.

Mounting Evidence

Confirm the panel mounting, 229 × 315 × 193 mm chassis envelope, clearances and grounding.

Replacement Limit

Do not install or substitute the product until the exact model, revision, wiring and system compatibility are verified.

VERIFICATION EVIDENCE

Evidence needed to verify 1771-A1B correctly

Product Identity

Match 1771-A1B to the complete product label and installed-system record.

Installation Context

Document the chassis location, installed module positions, keying, wiring-arm connections, grounding and system record.

PRODUCT REFERENCE1771-A1BComplete 4-slot I/O chassis reference
Configuration Evidence

Use the product label, official documentation when available, installation photographs and system records to verify identity.

Replacement Check

Match the complete catalog number, hardware revision, module arrangement, keying, wiring and backplane load before replacement.

ABOUT MOORE AUTOMATION

A trusted industrial automation sourcing partner

Moore Automation Limited supplies industrial automation spare parts to customers worldwide, with dedicated sourcing, part-number verification, pre-shipment confirmation and responsive sales support.

Global sourcing Pre-shipment verification One-year warranty
SERVICE

Industrial Automation Order Support

A clear workflow for sourcing, verification, shipment preparation, delivery and product assurance.

STAGESERVICE ACTIONWHAT WE CHECK OR PROVIDE
01PROCUREMENT
Product SourcingCurrent, hard-to-find and discontinued industrial automation parts.
02VERIFICATION
Part Number ReviewComplete model, suffix, nameplate, visible revision and application details.
03CONFIRMATION
Pre-Shipment CheckModel, label, condition and packaging confirmed with actual photos or video.
04FULFILLMENT
Global Delivery
Worldwide delivery with flexible shipping options. We support door-to-door pickup or delivery to your nominated freight forwarder in China.
DHLFedExUPSTNT
05ASSURANCE
One-Year WarrantyOne-year warranty from delivery for products supplied by Moore Automation.
Warranty Claim Information＋
What to provide: If a product-related issue occurs within the warranty period, contact our team and submit one clear, continuous video for review.
✓Complete product and nameplate
✓Power supply and wiring connections
✓Installation and operating conditions
✓Indicator lights, alarms or error messages
✓Clear description of the fault
✓Continuous video showing the issue
Review outcome: If the evidence confirms a covered product fault, Moore Automation will arrange the appropriate warranty solution.
SALES ASSISTANCE

Contact Sales Manager Frida

Include the complete part number, quantity and delivery destination.

EMAILsales5@mooreplc.com WHATSAPP+86 153 5940 8275
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ГОРЯЧИЕ ТЕГИ : 1771-A1B PLC 1771-A1B 1771-A1B 4-Slot I/O Chassis 1771-A1B Installation Data 1771-A1B Dimensions and Weight 1771-A1B Replacement
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Предмет : PLC 1771-A1B 4-Slot I/O Chassis
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