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Specification & Description
| Specification | Description |
|---|---|
| Part Number | KJ4001X1-CB1 |
| Alternative Part Number | KJ4001X1CB1 |
| Manufacturer | Emerson |
| Product Type | Fused I/O Terminal Block |
| Hazardous Atmosphere Rating | II 3 G |
| Certification | Nemko No. 02ATEX431U, EEx nA IIC T4 |
| Power Specifications | Input 24 V at 2 A, 8 2 A fuses |
| Ambient Temperature Range | 0 to 60°C |
| Shock Resistance | 10g ½ Sinewave for 11 msec |
| Vibration Resistance | 1mm Peak to Peak from 5 to 16Hz; 0.5g from 16 to 150Hz |
| Airborne Contaminants | ISA-S71.04 –1985 Airborne Contaminants Class G3 |
| Relative Humidity | 5 to 95% Non-Condensing |
| IP Rating | IP 20 |
| Safety Approvals | LR87534 APPROVED, CL. I Div. 2 GP.A,B,C,D HAZ.LOC. TEMP. Rating T4 |
| Installation and Operation | Specific instructions for installation, removal and operation in hazardous areas are provided. |
| Maintenance and Adjustment | No user serviceable parts; calibration not required. |
| Compatibility | Rotary keying system ensures compatibility between I/O cards and terminal blocks. |
The Emerson KJ4001X1-CB1 is a high-quality fused I/O terminal block designed to facilitate safe and efficient electrical connections within industrial automation systems. This component is part of Emerson's innovative solutions, crafted to meet the rigorous demands of process management and control environments.
Engineered for reliability, the KJ4001X1-CB1 terminal block is equipped to handle hazardous atmospheres, boasting a certification of II 3 G from Nemko with an EEx nA IIC T4 classification. This ensures that the terminal block can be safely utilised in environments where explosive gases may be present, without igniting the surrounding atmosphere.
The terminal block features power specifications that include an input of 24 V at 2 A and is equipped with eight 2 A fuses, providing ample protection against overcurrent situations. The robust design is further enhanced by environmental specifications that allow for operation in ambient temperatures ranging from 0 to 60 degrees Celsius.
Durability is a key aspect of the KJ4001X1-CB1, with a shock resistance of 10g ½ Sinewave for 11 msec and vibration endurance of 1mm Peak to Peak from 5 to 16Hz, and 0.5g from 16 to 150Hz. It is also designed to withstand airborne contaminants as per ISA-S71.04 –1985 Airborne Contaminants Class G3, and maintains performance in relative humidity levels of 5 to 95% non-condensing with an IP 20 rating.
The terminal block features a rotary keying system to ensure compatibility with I/O cards, and it is designed for ease of use with clear instructions for installation, removal, and operation in hazardous areas. It is important to note that the terminal block should not be disassembled as it contains no user-serviceable parts and does not require calibration.
With additional safety approvals, including LR87534 APPROVED for Class I Division 2 Groups A, B, C, D with a temperature rating of T4, the Emerson KJ4001X1-CB1 fused I/O terminal block is a reliable choice for industrial automation systems requiring stringent safety and performance standards.
Commonly Asked Questions
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Frequently Asked Questions
What is the function of the Fused I/O Terminal Block?
The Fused I/O Terminal Block is designed to provide a secure and reliable connection point for I/O wiring in process control systems. It features fuses for circuit protection and is suitable for use in hazardous atmospheres.
Can this terminal block be used in hazardous environments?
Yes, the terminal block is rated for use in hazardous atmospheres, specifically for Zone 2 environments with a classification of II 3 G according to ATEX standards.
What are the power specifications for this terminal block?
The terminal block requires a 24 V input at 2 A and includes 8 2 A fuses for circuit protection.
What are the environmental specifications for this terminal block?
The environmental specifications include an ambient temperature range of 0 to 60 degrees Celsius, shock resistance of 10g ½ Sinewave for 11 msec, vibration resistance, and a relative humidity tolerance of 5 to 95% non-condensing.
Is there a specific installation procedure for this terminal block?
Yes, there are specific instructions for installation, removal, and operation in hazardous areas. It is important to follow the guidelines provided in the DeltaV Scalable Process System Zone 2 Installation Instructions.
Can the terminal block be removed with field power energized?
No, a terminal block fused may not be removed with field power energized for non-sparking circuits. It is important to de-energize the field power before attempting to remove the terminal block.
Does this terminal block require calibration?
No, calibration is not required for this terminal block.
Are there any user serviceable parts within this terminal block?
No, the unit contains no user serviceable parts and should not be disassembled for any reason.
What is the IP rating of this terminal block?
The terminal block has an IP 20 rating, indicating protection against solid objects larger than 12.5 mm but not against water.
What safety approvals does this terminal block have?
The terminal block has safety approvals including Nemko No. 02ATEX431U and is also approved for Class I Division 2, Groups A, B, C, D for hazardous locations with a temperature rating of T4.
Part conditions explained
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New unsealed: The product is in its original packaging, but the packaging has been opened or unsealed. It has never been used and should be in near pristine condition.
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New unboxed: The product does not come in its original packaging, but it has never been used and is in great working condition.
Refurbished: The product has been previously used, but it has undergone a thorough refurbishment process to restore it to a like-new or functional condition. Any defects or issues have been addressed, making it suitable for reuse.
Used: The product has been previously owned and has been used. It may show signs of wear and tear but is still functional and operational. The condition may vary depending on the specific item and its usage history.
