LOCAL CONTROL STATIONS – SERIES PB
Local control stations suitable for hazardous area Zone 1 & Zone 21

Ex db / Ex tb – IP66

These PB units can be used either as pushbutton or as local control station. They are fully configurable through a huge variety of COELBO elements, according to all different requirements due to their big choice of control and signalling units covered by component certificates.

They are made in Aluminum light alloy with stainless steel external bolts AISI 304 (on request AISI 316L). Standard external coating is grey color RAL 7000. Other RAL colors are available according to customer’s requirements.

Features

• Type of protection: Ex db / Ex tb
• Degree of protection: IP66
• Certified for:
  • Gas group IIB+H2 or IIC
  • Dust group IIIC
• Max range ambient temperature: -50°C ÷ +80°C
• Material used: Aluminum light alloy
• Max rated voltage: up to 690 Vac / 440 Vdc
• Max rated current: 10 A
• Enclosure weight: 480 g up to 1520 g