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  • EMERSON KJ3003X1-EA1 12P0921X042 Interface Terminal Block
  • EMERSON KJ3003X1-EA1 12P0921X042 Interface Terminal Block
  • EMERSON KJ3003X1-EA1 12P0921X042 Interface Terminal Block
  • EMERSON KJ3003X1-EA1 12P0921X042 Interface Terminal Block
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EMERSON KJ3003X1-EA1 12P0921X042 Interface Terminal Block

  • EMERSON
  • USA
  • 2024
  • In Stock
The KJ3003X1-EA1 (Part Number: 12P0921X042) is an Interface Terminal Block manufactured by Emerson Automation Solutions for use within the DeltaV distributed control system. EMERSON KJ3003X1-EA1 typically serves as the wiring interface for a Serial Interface Card, facilitating communications in industrial automation environments.
Annex

EMERSON KJ3003X1-EA1 Specification


Part Number12P0921X042ModelKJ3003X1-EA1
Power35 VDC, 1AOperating Temperature-40 to 70 C
Storage Temperature-40 to 85 CRelative Humidity5 to 95%, non-condensing
Shock10g ½-sine wave for 11 msVibration1mm peak-to-peak from 2 to 13.2 Hz; 0.7g from 13.2 to 150 Hz
Hazardous Area CertificationsATEX, Nemko (Ex nA IIC T4 Gc)Country of OriginUSA


EMERSON KJ3003X1-EA1 Features


  • Designed specifically for the Emerson DeltaV Distributed Control System (DCS).

  • Acts as the dedicated physical wiring interface for Serial Interface Cards.

  • Supports high-reliability industrial communication protocols.

  • Rated for 35 VDC at 1A input power.

  • Built for extreme environments with an operating temperature range of -40°C to +70°C.

  • Features ISA-S71.04-1985 Class G3 coating to resist harsh airborne contaminants and corrosion.

  • Certified for hazardous locations (ATEX/Ex nA IIC T4 Gc) for use in Zone 2 environments.

  • High mechanical durability with 10g shock resistance and 0.7g vibration resistance (up to 150 Hz).

  • Compact, rail-mounted design for easy installation and maintenance within control cabinets.

If you want to more details about EMERSON 12P0921X042，please contact me without hesitate. Email：sales@sparecenter.com


EMERSON KJ3003X1-EA1 Application


1

Dedicated DeltaV System Interface

Designed specifically for the Emerson DeltaV Distributed Control System (DCS) as the essential terminal block for Serial Interface Cards. EMERSON 12P0921X042 provides the secure physical wiring termination required for system-level communication.

2

Third-Party Device & Protocol Integration

Supports standard serial communication including RS-232, RS-422, and RS-485. EMERSON 12P0921X042 is primarily used to integrate third-party PLCs (e.g., Modbus RTU/ASCII), smart field instruments (scales, flow meters), and peripherals into the DeltaV environment.

3

Extreme Industrial Environment Durability

Built to withstand harsh conditions with an operating temperature range of -40°C to +70°C. EMERSON 12P0921X042 features ISA-S71.04-1985 Class G3 conformal coating to protect against corrosive gases and airborne contaminants.

4

Hazardous Area & Safety Certification

Certified for use in "Zone 2" hazardous locations with ATEX and Ex nA IIC T4 Gc ratings. EMERSON 12P0921X042's rugged design includes high-level shock and vibration resistance, ensuring reliable operation in critical oil, gas, and chemical processing facilities.


EMERSON KJ3003X1-EA1 Images


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KJ3003X1-EA1 12P0921X042

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EMERSON KJ3003X1-EA1 FAQ


Q1: What is the primary function of the KJ3003X1-EA1 12P0921X042 in a DeltaV system?
A1: The KJ3003X1-EA1 12P0921X042 serves as a Serial Interface Terminal Block. EMERSON KJ3003X1-EA1 provides the physical connection points for wiring external serial devices to the DeltaV Series 2 Serial Interface Card.
Q2: Which communication protocols are supported by the KJ3003X1-EA1 12P0921X042?
A2: The KJ3003X1-EA1 12P0921X042 facilitates several serial standards, including RS-232, RS-422, and RS-485 (half or full duplex), commonly used for Modbus RTU and other industrial protocols.
Q3: Can the KJ3003X1-EA1 12P0921X042 be installed in hazardous locations?
A3: Yes, the KJ3003X1-EA1 12P0921X042 is ATEX and Nemko certified (Ex nA IIC T4 Gc), making EMERSON KJ3003X1-EA1 suitable for use in Zone 2 hazardous environments where explosive atmospheres may occur.
Q4: How does the KJ3003X1-EA1 12P0921X042 handle corrosive industrial environments?
A4: The KJ3003X1-EA1 12P0921X042 is rated for ISA-S71.04-1985 Class G3 environments. This means EMERSON KJ3003X1-EA1 has a protective conformal coating designed to resist corrosion from harsh airborne contaminants and gases.
Q5: What are the power and temperature ratings for the KJ3003X1-EA1 12P0921X042?
A5: The KJ3003X1-EA1 12P0921X042 is rated for an input of 35 VDC at 1A and can operate in extreme temperatures ranging from -40°C to +70°C (-40°F to +158°F).
Q6: Is the KJ3003X1-EA1 12P0921X042 compatible with both M-series and S-series hardware?
A6: The KJ3003X1-EA1 12P0921X042 is specifically designed for use with DeltaV Series 2 cards, which are typically found in M-series controller environments but may be integrated into various DeltaV system architectures depending on the carrier used.


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EMERSON 12P0921X042


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