Z787
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Z787

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  • HOCHIKI
  • Addressable ESP
  • ATEX, EN54
  • Dual Channel
  • Description
  • Specifications
  • Contents
  • Downloads

Z787 is a dual-channel intrinsic safety interface module designed to limit the energy transferred from the safe area (sensing loop) to devices located in potentially explosive areas (Zones 0, 1 or 2). Its purpose is to prevent sparks or overheating that could cause a fire, ensuring the integrity of the Hochiki ESP system in critical environments.

This component is critical for compliance with the RIPCI in areas at risk of explosive atmospheres (ATEX), serving as the safety interface between the safe area and the classified area.

  • Certifications: ATEX, EN54
  • ESP Addressable Protocol
  • 2 zones
  • Ultra-Compact Design
  • Dual Channel
  • Integrated Earth

Operating Voltage (V)26,5 V DC
Breakdown Voltage (Uo)28 V DC
End Resistance (Ro)300 Ω (Minimum)
Short-Circuit Current (Io)93 mA
ConfigurationDual channel (Positive/Return)
MountingDIN rail (35mm) with built-in ground connection
Operating Temperature-20°C to +60°C
Dimensions (Body)12,5 mm (W) x 115 mm (H) x 110 mm (D)
Approximate Weight150 g
Mounting TypeStandard DIN rail of 35 mm (EN 50022)
Housing MaterialHigh-temperature-resistant reinforced polycarbonate
  • 1 x Zener barrier Z787: Dual-channel intrinsically safe module.
  • 1 x Safety and Installation Data Sheet
  • Certification Labeling
  • Grounding clip

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