Emerson

Emerson KL4502X1-MA1 Relay Output Terminal Block

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  • Manufacturer: Emerson

  • Product No.: KL4502X1-MA1

  • Product Type: Relay Output Terminal Block

  • Product Origin: USA

  • Payment: T/T

  • Weight: 2000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Product Overview

The Emerson KL4502X1-MA1 is a relay output terminal block for the DeltaV Electronic Marshalling system. It provides the field interface for relay output CHARMs and supports high-current switching in industrial environments.

  • Product Type: Relay Output Terminal Block
  • Terminal Power Ratings: 28.8 VDC at 5 A / 48 VDC at 0.4 A / 250 VAC at 5 A (Class I Div 2 only)
  • Operating Temperature: -40 °C to +70 °C
  • Shock: 10 g half-sine for 11 ms
  • Vibration: 1 mm peak-to-peak (2–13.2 Hz); 0.7 g (13.2–150 Hz)
  • Key Position: Automatically set during installation

Key Features

  • Supports high-current relay switching
  • Automatic keying to prevent incorrect CHARM insertion
  • Certified for Zone 2 / Class I Division 2 hazardous areas
  • Robust construction for industrial environments

FAQ

  • What loads can it switch? Up to 5 A at 28.8 VDC or 250 VAC (Div 2).
  • Is keying automatic? Yes, set during first CHARM installation.
  • Temperature range? -40 °C to +70 °C.

Installation Guide

  1. Install the KL4502X1-MA1 terminal block on the CHARM baseplate.
  2. Insert the compatible relay output CHARM.
  3. Connect field wiring to the terminal screws according to the load rating.
  4. Verify key position and secure all connections.
  5. Test relay operation under system control.

Selection Tips

  • Use with DeltaV relay output CHARMs requiring high-current switching.
  • Confirm load voltage and current are within rated limits.
  • Suitable for hazardous area installations when properly certified.
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