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SAFE SW
SAFE SW
The document describes the SAFE SW safety barrier, approved according to the European Standard 94/9/EC - ATEX. It is designed for use in hazardous areas with a safety grade of II 1GD Exia IIC T6.
Technical Data
- Type: Active barrier A
- Input Channels: Available in single (1SW) or dual (2SW) channel configurations
- Hazardous Area Output: Uo ≤ 9.6V, Io ≤ 10mA, Po ≤ 24mW
- Safe Area Output: Relay with one contact selectable as NO or NC for each channel
- Relay Maximum Load: 250Vac - 2A - 500VA - Cosφ > 0.7 / 120Vdc - 2A - 60W
- Operating Indicators: Green LED (Power supply On), Yellow LED (Relay On), Red LED (Line break)
- Power Supply: 20 ÷ 30 Vdc
- Power Consumption: 1.7W max.
- Electrical Insulation: 2.5 kV
- Working Temperature Range: -20°C to +70°C
- Degree of Protection: IP20
- Terminal Board: ≤ 1.5 mm²
- Mounting: 35 mm DIN bar
- Dimensions: 112 x 110 x 18 mm
- Weight: 120g
Wiring and Nomenclature
The intrinsic safety barriers are designed for level sensors MULTIPOINT I (On-Off) to safely repeat a NO or NC contact from a hazardous area to a safe area. They are certified under TUV 07 ATEX 553234 II 1GD Exia IIC T6 and are available in single or dual channel configurations with full galvanic insulation. The barriers feature LED operating indicators, relay output, and are mounted on a 35 mm DIN bar.
Catalog excerpts
Safety barrier SAFE SW APPROVED IN ACCORDANCE WITH THE EUROPEAN STANDARD 94/9/EC - ATEX €>C€ The intrinsic safety barriers for level sensors MULTIPOINT I (On- Exia Off) allow to repeat, in a safe area, a NO or NC contact installed in an hazardous area. Certificate N. TUV 07 ATEX 553234 II 1GD Exia IIC T6. They are available both in single channel or dual channel with full galvanic insulation between the two areas under control. GENERAL CHARACTERISTICS • One or two measuring channel. • LED operating indicator. • Relay output. • 35 mm DIN bar mounting. Name Tab.1 Active barrier Tab.1 N. of input channels Tab.1 Output contact selectable NO or NC for each channel Tab.1 Power supply We reserve the right to change the data without notice Butoric www.valco.it
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