UTC, GBX2000 - EX Barrier for IU2055

UTC, GBX2000 - EX Barrier for IU2055

The GBX2000 is designed for the connection of fire detectors, smoke detectors, temperature sensors, etc. The detector's increased current range and the higher accuracy allow for differentiation between normal operation, fire alarm, lead breakage and short circuit currents in the safe area. In many cases they may also be used for controlling I/P converters. A separate power supply with auxiliary power is not required. Due to the input voltage limiting of 24 V, the maximum voltage output is 21 V.GBX2000 is a galvanic isolation barrier selected specifically for with the 2000 series zone-monitoring unit(IU2055) when used in intrinsic safe applications.

Key Features:

• Approved with the IU2055 zone monitor unit
• Output EEx ia IIC
• Device installation permissible in zone 2
• Polarity reversal protected
• Accuracy 1%
• EMC acc. to NAMUR NE 21
• Up to SIL2 acc. to IEC 61508

Technical Specifications:

• Inputs/outputs (not intrinsically safe)
• Voltage: 4 to 35 VDC
• Current: 0 to 40 mA
• Power loss:
  • at 40 mA and Uin < 22 V: 700 mW
  • at 40 mA and Uin > 22V: 1.2 W
• Inputs/outputs (intrinsically safe)
• Voltage:
  • for 4 V < Uin < 24 V: >= Uin - (0.37 x current in mA) - 1.0
  • for Uin > 24 V: 21 V - (0.36 x current in mA)
• Short-circuit current: at Uin > 24 V: >= 65 mA
• Transfer current: <= 40 mA
• Ambient temperature: -20°C to +60°C
• Mechanical specifications:
  • Protection degreeP: IP20
  • Weight: ± 100 g
  • Dimensions: 20 x 107 x 115 mm
• Group, category, type of protection: II (1) G D [EEx ia] IIC (-20°C <= Tamb <= 60°C)
• Type of protection [EEx ia]
• Explosion group: IIA IIB IIC
• External capacitance: 2.9 microF 0.82 microF 0.107 microF
• External Inductance: 33 mH 18 mH 4.3 mH