Multicomp Pro Thermal Switch NC 170°C

The Multicomp Pro MP-33-170/140/E111B14H221 is a high-precision snap-action thermostat switch designed to regulate system temperatures by sensing changes at 170°C and activating or deactivating heating or cooling systems accordingly. This normally closed (N/C) switch ensures reliable performance in a wide range of applications, from HVAC systems to industrial process control.

With a contact rating of 16A at 250VAC, this thermostat switch handles significant electrical loads, making it suitable for demanding environments. The switch features an automatic reset function, ensuring continuous operation without manual intervention. Its robust construction includes a bimetal disc, alloy copper movable arm, and brass nickel-plated terminals, all housed in a durable PF case with an aluminium cap.

Key Features

• Normally closed (N/C) contact operation
• 170°C ±5°C switching temperature
• 140°C ±10°C reset temperature
• Low resistance between terminals (max 50mΩ at DC5V/0.25A)
• High insulation resistance (min 100MΩ at DC500V)
• Dielectric strength of 1500VAC for 1 minute
• Certified to GB14536.1, GB14536.10, GB/T22687, EN60730-1, and EN60730-2-9 standards

This thermostat switch is ideal for temperature control in appliances, HVAC systems, and industrial automation. Its compact design (33mm x 22mm x 2mm) and flange mounting make it easy to integrate into existing systems. The product includes one thermostat switch, ready for installation.