Noah
Noah NLB
Noah NLB - Limit Switch Boxes
The Rotork Noah NLB range includes three variants: NLB1 (aluminium or stainless steel, optional IP68), NLB2 (aluminium with wider switch selection), and NLB3 (aluminium or stainless steel with hazardous area certifications). All offer 360º visual indication, multiple output signals, universal actuator compatibility, and easy configuration to ensure reliable valve monitoring.
Features
• Visual position indication: 360º viewing angle for clear, real-time status
• Multiple output signals: Terminal port with 8 or 12 contacts
• Universal compatibility: Suitable for all rotary motion actuators (ISO5211 standard)
• Easy configuration: Simple cam position adjustment, no tools required
• Two cable inlets: Separate entries for power and signal cables (cable entry sizes differ by model)
• Switch options: Mechanical switch or proximity sensor (non-contact switch available for enhanced reliability and accuracy)
• Ingress protection: IP67 as standard for all models, IP68 available for stainless steel versions of NLB1 and NLB3
• Operating temperature: NLB1 and NLB2 is –20 to +80 °C (–4 to +176 °F) and NLB3 is –20 to +60 °C (–4 to +140 °F)
• Certifications: NLB1 and NLB2 for standard safe area applications. NLB3 has pending ATEX, IECEx and other country-based hazardous area certifications
Features
• Visual position indication: 360º viewing angle for clear, real-time status
• Multiple output signals: Terminal port with 8 or 12 contacts
• Universal compatibility: Suitable for all rotary motion actuators (ISO5211 standard)
• Easy configuration: Simple cam position adjustment, no tools required
• Two cable inlets: Separate entries for power and signal cables (cable entry sizes differ by model)
• Switch options: Mechanical switch or proximity sensor (non-contact switch available for enhanced reliability and accuracy)
• Ingress protection: IP67 as standard for all models, IP68 available for stainless steel versions of NLB1 and NLB3
• Operating temperature: NLB1 and NLB2 is –20 to +80 °C (–4 to +176 °F) and NLB3 is –20 to +60 °C (–4 to +140 °F)
• Certifications: NLB1 and NLB2 for standard safe area applications. NLB3 has pending ATEX, IECEx and other country-based hazardous area certifications