55 Series
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REMOTE MOUNTING TEMPERATURE SWITCH AND CONTROL • Increase flexibility with multiple outputs • Panel or surface mount for trouble-free installation • External dial provides easy adjustment • Space saving construction

The E55 Series provides rugged, dependable temperature control for many applications. Available in single or dual output versions, with either an epoxy coated enclosure (designed to meet NEMA Type 4X) or skeleton construction, the E55 combines flexibility with compact size. It has been used in diverse applications such as food service appliances, oven control, and heat tracing. • Single or dual 15 A switch output • Skeleton or Enclosure construction - designed to meet NEMA Type 4X • Optional external manual reset • Compact size • Copper or stainless steel bulb & capillary Dual Switch, Type...

specifications AMBIENT TEMPERATURE LIMITS -40 to 160°F (-40 to 71°C); set point typically shifts less than 1% of range for a 50°F (28°C) ambient temperature change Set point repeats after 15 G, 10 millisecond duration Set point repeats after 2.5 G, 5-500 Hz ENCLOSURE CLASSIFICATION Type E55 & E55A: Designed to meet enclosure type 4X requirements Types E55S & E55AS: Skeleton, open frame construction, not applicable ENCLOSURE Die cast aluminum, epoxy powder coated with stainless steel, gasketed adjustment cover (E55 and E55A) SWITCH OUTPUT One or two SPDT; dual switch may be separated up to...

model chart Model Adjustable Set Point Range Bulb Size Copper bulb & capillary ‡ Not available with Type E55AS ‡‡ Not available with Types E55A, E55S, E55AS

how to order BUILDING A PART NUMBER Select a Type Select an Option (if applicable) Refer to the “Type” section below. Refer to the “Model Charts”. Determine type number based on switch output, enclosure, adjustment and reference. Determine model based on adjustable range, and capillary material. Refer to the “Options” section. Determine option number based on switch output, optional materials or other product enhancements. FOR MULTIPLE OPTIONS: Call United Electric Controls. Bulb & capillary; one SPDT output; Epoxy coated enclosure; external adjustment with reference dial, tamper-resistant...

dimensional drawings (Dimensional drawings for all models may be found at www.ueonline.com) Types E55 /E55A Type E55 Heat Tracing Models

RECOMMENDED PRACTICES AND WARNINGS United Electric Controls Company recommends careful consideration of the following factors when specifying and installing UE pressure and temperature units. Before installing a unit, the Installation and Maintenance instructions provided with unit must be read and understood. • To avoid damaging unit, proof pressure and maximum temperature limits stated in literature and on nameplates must never be exceeded, even by surges in the system. Operation of the unit up to maximum pressure or temperature is acceptable on a limited basis (e.g., start-up, testing)...