Overview

• Liquid expansion
• Self-monitoring
• Safety switch-off
• 1, 2, 3, or 4 single-pole snap-action switches possible

• Setting range +1 to +10 °C
• Operating mode: manual or automatic reset
• Membrane heating for operation up to -15 °C
• Self-monitoring of the probe line
• Two analog outputs 0 to 10 V
• One switching output (relay: max. AC 230 V 6(2) A)
• Can be set without opening the case lid
• Electrical connection via tension spring terminals
• Operating voltage (SELV) AC 24 V

• Can be directly applied in zones 1 and 2 or 21 and 22
• Switching capacity 16 A as standard, optionally 25 A
• Admissible ambient temperature: -60 to +70 °C
• Thermowell for zone 0 available as an accessory
• Single thermostat and double thermostat

• Sturdy case (protection type IP54)
• Microswitch
• Self-monitoring (STB/STW)
• Safety switch-off (STB/STW)
• Tested according to DIN EN 14597

• Fluid expansion
• Micro switch
• 3 separate measuring and switching systems
• Sturdy case

• Liquid expansion
• Microswitch with snap-action switch system
• 2, 3, or 4 single-pole switching steps

• Liquid expansion
• Microswitch
• One or two separate measuring and switching systems
• Protection type: IP65

• Capillary measuring system
• Any installation position
• Round version with stainless steel housing
• Class 1

• Capillary measuring system
• Temperature controller
• Plastic housing (standard)
• Suitable for panel-mounting

• Capillary measuring system
• Stainless steel case for panel-mounting/add-on devices
• Anti-kink spring
• Suitable for panel-mounting

• Temperature probes (TF)
• Process connections (TA)
• Thermowells (SH)

Components:

• Rotary knob
• Adjustable limit stop
• Setpoint value scale (type W1) or panel (type W8)
• Screws