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Data Sheet D...R 302
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Catalog excerpts

Data Sheet D...R 302 - 1

HVAC Refrigeration With 2 individual measuring systems Short response time Protection IP54 Electrical connection on terminal screw Technical Data Designation of application Double thermostat with remote sensor and limiter Switching differential Adjustable/not adjustable Measuring range Output signal Floating change-over contact Trafag Sensors & Controls Switzerland www.trafag.com trafag@trafag.com Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for the measurement of pressure and temperature.

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Data Sheet D...R 302 - 2

D ... R 302 Ordering information/type code 302 . XX XX XXX XX XXXXXXXXX XX XX Microswitch Standard switching differential, not adjustable (Microswitch 11, Limiter Switch 12) Adjustable standard switching differential (microswitch 25, limiter switch 12) Small switching differential, not adjustable (Microswitch 10, Limiter Switch 12) Temperature controller and limiter [°C] -30 ... +40 Sensor material Stainless steel Stainless steel Stainless steel Stainless steel Stainless steel Sensor material Copper nickel plated Copper nickel plated Copper nickel plated Copper nickel plated Copper nickel...

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Data Sheet D...R 302 - 3

Outdoor usage (aerated) Capillary tube protection: Flexible metal tube, brass nickel plated Capillary tube protection: Flexible metal tube 1.4541/V2A Capillary tube protection: PVC tube Capillary tube length Signal lamp Capillary tube length up to 5000 mm (no specification required for direct mounting on protection tube) L=XXXX 3) See data sheet H72114/H72163 See data sheet H72106 3) Overlengths upon request 1) 2) Standard products (extra short lead time) Product No. Type Code Temperature range Switching differential [°C] [°C]

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Data Sheet D...R 302 - 4

Temperature compensated with bimetal switch lever Ambient temperature Range ≤ +45°C: -30...+50°C Range +45...+250°C: -30...+70°C Range > + 250°C: -10...+70°C (Important: Temperature at sensor may not exceed maximum sensor temperature) Storage temperature Sensor housing Screwed cable gland Dielectric strength Life time (mechanical) Microswitch 10/11/25: 20 Mio. cycles Microswitch 12: 0.3 Mio. cycles Cable gland Terminal screw Electrical connection Switching point Switching differential Mechanical Data Environmental conditions Additional information Documents Data sheet Instructions Flyer

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Data Sheet D...R 302 - 5

D ... R 302 Switching differential typ. Range Microswitch 10 Switching differential (fixed value, not adjustable) Microswitch 11 Switching differential (fixed value, not adjustable) Microswitch 12 Switching differential (fixed value, not adjustable) Microswitch 25 Switching differential (adjustable value) Electrical data switch Rating Resistive Load (Inductive Load) Type 10 Features Small switching differential, not adjustable Average switching differential, not adjustable Large switching differential, not adjustable Adjustable standard switching differential Electrical Connection

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