SENASYS
3/4″ SPDT, Sealed Thermostat
The 416 Series is the SPDT version of Senasys’ encapsulated 3/4″ automatic reset snap disc thermostat. This thermostat features a sealed design that protects internal components from moisture, dust, and other environmental contaminants. The encapsulated construction makes it ideal for refrigeration units, air conditioning systems, and industrial equipment where reliable thermal control is required in harsh conditions. With SPDT switching action, the 416 Series offers flexible control options for both heating and cooling circuits.
custom options
Designed & manufactured to meet requirements of original equipment manufacturers worldwide.
high quality
Senasys products are 100% tested before they leave our facilities.
certified
All of our snap disc units are UL approved (USR) and the 2511 family is also Canadian Standard approved (CNR).
made in u.s.a.
Designed & manufactured in Eau Claire, WI, U.S.A.
The 416 Series is the SPDT version of Senasys’ encapsulated 3/4″ automatic reset snap disc thermostat. Designed for moisture & dust resistance, the sealed construction makes this switch ideal for refrigeration, air conditioning, & industrial applications that require reliable thermal control in harsh environments.
The thermostat is enclosed in a polypropylene housing filled with epoxy resin, fully sealing the internal mechanism & wire leads. Its snap-action bi-metal disc provides fast, positive contact switching with long mechanical life. The wiping contact design ensures consistent electrical performance, while the minimal thermal mass of the plastic enclosure improves sensing accuracy by reducing heat loss.
Product Specifications
• 3/4″ bi-metal snap action disc
• Automatic reset
• SPDT (single-pole, double-throw)
• Breaks on temperature rise or fall
• Temperature range: -21°F to 220°F (-29°C to 105°C)
• Differential: 10°F to 80°F (6°C to 44°C)
• Rated up to 10 amps @ 120/240VAC (100,000+ cycles)
• Rated up to 15 amps @ 120VAC (6,000+ cycles)
• Sealed design meets MIL-STD-202 for humidity, salt spray, freeze/thaw, & vibration
• Multiple mounting brackets available, including pipe mount options
• Standard wire leads: 18 AWG, 12″ or 72″ length, 1/32″ or 1/16″ 100°C plastic insulation
• Lead color options: white, black, red
• Leads available stripped or with quick connect terminals or eyelets
• Custom lead options available for gauge, color, length & connector types
• UL listed
• Made in U.S.A.
