Intrinsically Safe Power Supply ZI2-24
Power supplies are advanced devices used in industrial environments where there is a risk of sparks or electrical discharges, which can lead to hazards associated with the conduction of flammable gases. These specialized power supplies are designed with safety in mind, especially in areas where the presence of combustible substances poses a potential risk. Intrinsically safe power supplies are equipped with technologies that prevent spark formation, including special enclosures, insulation, and electrical protections. Thanks to these safety measures, intrinsically safe power supplies eliminate the risk of ignition in flammable gas environments, which is particularly crucial in the chemical, oil, and mining industries.
Description
The ZI2-24 intrinsically safe power supply is designed for the safe operation of electrical devices in areas prone to methane explosions, specifically in mining environments. It operates from a 230 VAC single-phase network and is intended for installation in non-hazardous areas such as control cabinets or surface enclosures.
Key Features
Intrinsically Safe Group I, Category M1 (Intrinsically Safe ia) Construction: Provides safety in explosive atmospheres, especially in Group I, Category M1, which covers areas with the highest risk levels. The intrinsically safe ia design eliminates the risk of sparks, ensuring safe power supply operation in such environments.
Two-State Diagnostic Output: This feature enables monitoring of the power supply’s status. Users can quickly identify potential issues or failures, simplifying system maintenance and upkeep.
Short Circuit Resistance: This ensures the power supply is protected from the consequences of short circuits, which can lead to dangerous situations. This feature enhances system reliability and minimizes the risk of failures.
TS-35 Rail Mounting Compatibility: The power supply is designed for easy installation on TS-35 rails, simplifying integration into existing systems. This standard mounting also facilitates maintenance, replacement, or addition to the infrastructure.
Additional Benefits
Certification Compliance with Industry Standards: The power supply is certified to meet industry standards such as ATEX, ensuring compliance with safety requirements in explosive atmospheres.
Effective Surge Protection: Built-in surge protection safeguards connected devices from voltage spikes, which is crucial in harsh environmental conditions.
Use of Advanced Fire-Resistant Materials: The power supply is constructed from advanced fire-resistant materials, increasing its durability and resistance to extreme conditions in hazardous environments.
Energy Efficiency: The power supply is designed with high energy efficiency, contributing to energy savings.
Easy Configuration and Operation: Integrated user interfaces and easy configuration ensure straightforward operation of the power supply.
Specification
Nominal Input Voltage: 230 VAC
Allowed Input Voltage Range: 170 ÷ 255 VAC
Maximum Input Voltage: 255 VAC
Nominal Output Voltage: 22.5 ÷ 24 VDC
Nominal Output Current: 0.3 ÷ 0.35 A
Maximum Output Voltage: 25.1 VDC
Maximum Output Current: 0.5 A
Maximum Output Power: 12.55 W
Maximum External Capacitance: 2 µF
Maximum External Inductance: 1.4 mH
Nominal Diagnostic Circuit Voltage: 24 VDC
Maximum Diagnostic Circuit Current: 35 mA
Enclosure Protection Rating: IP 20
Dimensions: 100 x 76 x 110 mm
Weight: 0.44 kg
Additional Information
– Output Circuit for Group I, Category M1 Devices: Designed for intrinsically safe operation
– Two-State Diagnostic Output: Simplifies fault detection
– Short Circuit Resistant: Ensures higher reliability
– TS-35 Rail Mounting: Easy installation and maintenance
Ex Zone
The device is designed for use in explosive atmospheres. It is intended for operation in underground mining environments as well as surface areas in mines that are at risk of gas or dust explosions. Group I, Category M1 and M2 devices are intended for mining operations that are exposed to methane and coal dust, providing a high level of safety with two independent protection mechanisms. The device will shut off in the event of an explosive atmosphere.
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