Publication Date of ATEX Instruction Sheet: November 2021
Manufacturer: Emerson Automation Solutions (Round Rock, Texas)
Serial Number & Manufacturing Details: Refer to the product label for serial number, manufacturing
location, and manufacturing date
Product Overview
The KJ2201X1-HA1 12P3322X022 is an SLS Redundant Terminal Block engineered for hazardous industrial environments, serving as a reliable connection component in redundant automation systems (e.g., DeltaV™ Electronic Marshalling Digital Automation System). It supports redundant circuit connections, complies with global hazardous area safety standards, and ensures stable signal transmission in critical process control scenarios.
Environmental Specifications
Environmental Parameter
Specification
Ambient Temperature
-40°C to +70°C
Shock
10 g half-sine wave for 11 ms
Vibration
1 mm peak to peak from 2 to 13.2 Hz; 0.7 g from 13.2 to 150 Hz
Airborne Contaminants
ISA-S71.04 –1985 Airborne Contaminants Class G3
Relative Humidity
5% to 95% non-condensing
Installation & Operation
Power Safety: Cannot be removed/inserted with system power on (prevents arcing in hazardous areas).
Integration: Designed for DeltaV™ Electronic Marshalling; refer to 12P2046 (Zone 2 Installation) and DeltaV™ S-Series/CHARMs Hardware Installation manuals.
Maintenance: No user-serviceable parts; disassembly voids certifications. No calibration needed.
Compliance & Documentation
Publisher: Emerson Automation Solutions (Round Rock, Texas).
Application: Ideal for safety-critical loops in oil, gas, and chemical plants requiring redundant signal
paths.
Safety Warnings
Strictly adhere to current limitations for different terminal circuits (A-B: ≤30 mA; A-C: ≤1 A) to avoid circuit overheating or damage.
Ensure compliance with all hazardous area safety standards during operation to prevent risks such as electrical shock or ignition in explosive atmospheres.
24/7 online pricing and support service
❑ Your best supplier contact: Sales Manager: Cheryl Qi
