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Genuine RELIANCE 57C420 - Industrial Automation Part
Home / Reliance Electric

RELIANCE 57C420 PLC DC Output Module | AutoMate Series

  • Genuine RELIANCE 57C421B RELIANCE 57C / FlexPak / GP2000 Compatible - Industrial Automation Part
  • Genuine RELIANCE 57C404B AutoMax - Industrial Automation Part

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Category: Reliance Electric Tags: 57C420, AutoMate, DC Output, PLC Output Module, RELIANCE
  • Genuine RELIANCE 57C421B RELIANCE 57C / FlexPak / GP2000 Compatible - Industrial Automation Part
  • Genuine RELIANCE 57C404B AutoMax - Industrial Automation Part
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  • Description

Genuine RELIANCE 57C420 PLC DC Output Module | AutoMate Series – Verified Source

The RELIANCE 57C420 is a DC Output Module designed for the RELIANCE AutoMate programmable logic controller (PLC) platform. Sourced directly through verified industrial supply channels, Konmask.com provides authentic 57C420 modules with full traceability and quality assurance for mission-critical automation environments.

Technical Specifications

Part Number 57C420
Manufacturer RELIANCE Electric
Series AutoMate PLC
Module Type DC Output Module
Output Type DC Solid-State
Form Factor Rack-Mount Module
Weight 1.33 kg (approx.)
Condition New / Refurbished / Surplus Available
Compliance CE, RoHS

Our 4-Step Quality Verification Process

Every RELIANCE 57C420 module shipped from Konmask.com passes through a rigorous 4-step verification process to ensure authenticity and reliability:

  • Step 1 – Visual Inspection: Physical examination of labels, markings, housing, and connector integrity against OEM reference standards.
  • Step 2 – Functional Testing: Bench-level power-on and I/O signal testing to confirm all output channels operate within specification.
  • Step 3 – Traceability Check: Serial number and date-code verification against known authentic RELIANCE production batches.
  • Step 4 – Final Documentation: Each unit is issued a test report and packaged with anti-static protection and tamper-evident sealing.

Key Features & Benefits

  • Genuine RELIANCE OEM part — no counterfeit risk
  • DC solid-state outputs for fast switching and long service life
  • Rack-mount design for seamless integration into existing AutoMate chassis
  • Suitable for both new installations and legacy system maintenance
  • Backed by Konmask.com’s sourcing guarantee and post-sale technical support
  • Global shipping with export documentation available

Typical Applications

  • Industrial motor drive control systems
  • Conveyor and material handling automation
  • Process control in chemical, oil & gas, and power generation plants
  • Machine tool and CNC equipment integration
  • Building automation and HVAC control panels
  • Legacy RELIANCE AutoMate PLC system maintenance and upgrades

Compatible System Components

The RELIANCE 57C420 is designed to operate within the RELIANCE AutoMate PLC ecosystem. Compatible components include:

  • RELIANCE AutoMate PLC Racks and Backplanes
  • RELIANCE AutoMate CPU Modules (e.g., 57C300 series)
  • RELIANCE AutoMate Power Supply Modules (e.g., 57C331)
  • RELIANCE AutoMate Analog and Digital I/O Modules
  • RELIANCE AutoMate Communication Modules

Contact our technical team to confirm compatibility with your specific rack configuration and firmware version.

Global Sourcing & Shipping Capabilities

Konmask.com maintains an established global sourcing network for RELIANCE automation components, including the 57C420. We serve customers across Asia, Europe, the Americas, and the Middle East.

  • Lead Time: In-stock units ship within 1–3 business days; sourced units typically within 7–15 business days
  • Shipping Methods: DHL Express, FedEx International, UPS, sea freight for bulk orders
  • Export Documentation: Commercial invoice, packing list, certificate of origin available upon request
  • Customs Support: HS code and customs declaration assistance provided

Certifications & Compliance Statement

All RELIANCE 57C420 modules supplied by Konmask.com are sourced from traceable industrial supply chains. We do not manufacture, modify, or relabel any components. Our compliance posture includes:

  • CE Declaration of Conformity (where applicable to original OEM specification)
  • RoHS compliance documentation available upon request
  • ISO 9001-aligned internal quality management procedures
  • Anti-counterfeiting policy: all units subject to authenticity verification before dispatch

How to Order

  1. Submit an Inquiry: Email support@konmask.com with your required quantity, delivery timeline, and destination country.
  2. Receive a Quote: Our team will respond within 1 business day with pricing, availability, and lead time.
  3. Confirm & Pay: Orders confirmed via proforma invoice; payment via T/T bank transfer, PayPal, or other agreed methods.
  4. Shipment & Tracking: Units dispatched with full tracking information and export documentation.

Authenticity & Trust FAQ

Q: How do I know the 57C420 I receive is genuine?
A: Every unit passes our 4-step verification process and ships with a test report. We provide serial number documentation upon request.

Q: Do you offer a warranty?
A: Yes. We offer a 90-day functional warranty on all verified units. Extended warranty options are available for bulk orders.

Q: Can you source the 57C420 if it is not currently in stock?
A: Yes. Our global sourcing team can locate and procure the 57C420 within 7–15 business days in most cases.

Q: Do you accept returns?
A: Returns are accepted within 30 days for units that do not match the described specification. Please contact us before returning any item.

Q: Can you provide a certificate of conformance?
A: Yes, a certificate of conformance and test report can be issued upon request for all orders.


© 2026 Konmask.com. All rights reserved.
Original Source: https://Konmask.com
Contact: support@konmask.com | +0086 19859288691

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  • Large inventory and sourcing network. Stock items can ship in 1-2 business days. | TEL: +0086 19859288691 or via E-MAIL: support@konmask.com
  • +86 19859288691
    support@konmask.com