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Trafag AG sensors & controls
Data Sheet A2/A2S 198/199

Data Sheet A2/A2S 198/199

Product catalog summary

Overview: Trafag Sensors & Controls, based in Switzerland, is a leading supplier of high-quality sensors and monitoring instruments for pressure and temperature measurement. The document provides technical specifications for the Altero AmbistAt, a multistage room thermostat.

Applications: The thermostat is suitable for HVAC and refrigeration applications, featuring one adjustable step between two stages, a short response time, and IP54 protection with electrical connection via terminal screw.

Technical Specifications:

Measuring Range: -45°C to +60°C
Repeatability: ±0.5% FS typical
Output Signal: Floating change-over contact
Approval: EN60730-1/EN60730-2-9: typ 2.b.H

Product Variants: The document lists several product numbers with varying temperature ranges, switching differentials, and operating temperatures. All variants have a fixed switching differential of 0.7°C.

Ordering Information: The type code includes options for internal or external adjustment, microswitch type, and sensor material (stainless steel, copper, or copper nickel plated).

Specifications:

Accuracy: Repeatability ±0.5% FS, Scale accuracy ±2% FS
Environmental Conditions: Ambient temperature as per ordering information, Storage temperature range -30°C to +85°C
Protection: IP54, Humidity max. 95% relative
Mechanical Data: Sensor housing as per ordering information, Housing made of Noryl
Electrical Connection: Cable gland PG13.5, Terminal screw 6 x 1...2.5 mm²

Electrical Data: The document provides detailed electrical ratings for different microswitch types, including resistive and inductive load ratings for AC and DC.

Additional Information: The document references additional resources such as data sheets, instructions, and flyers available on the Trafag website.

Catalog excerpts

Swiss based Trafag is a leading international supplier of high quality sensors and monitoring instruments for the measurement of pres- Applications Features ■ HVAC ■ With 1 adjustable step between 2 stages ■ Refrigeration a Short response time ■ Electrical connection on terminal screw Trafag Sensors & Controls Industriestrasse 11 Tel. +41 44922 32 32 www.trafag.com sensors ^►control

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A2/A2S 198/199 Ordering information/type code XXX XX XX XXX XX XX Custom build code Internal adjustment External adjustment Small switching differential, not adjustable Average switching differential, not adjustable With gold plated contacts, not adjustable Copper nickel plated 2) Stainless steel (1.4435 / AISI316L) Copper Switchpoint fixed and sealed upon customer’s request 1) Switchpoint preset upon customer’s request, no guarantee on switching accuracy 1) Switchpoint adjustment please indicate when ordering: - Switchpoint [bar] - Increasing or decreasing Railway version (UIC 616) Outdoor usage...

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Ambient temperature see ordering information Range < +40°C: -30...+50°C Range > +40°C: -30...+85°C Sensor housing Screwed cable gland Dielectric strength Life time (mechanical) Microswitch 10/11: 20 Mio. cycles Microswitch 21: 0.5 Mio. cycles Cable gland Terminal screw Electrical connection Storage temperature Switching differential Mechanical Data Scale accuracy typ. Environmental conditions Additional information Documents Data sheet Instructions Flyer

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A2/A2S 198/199 Switching differential typ. Range Microswitch 10 Switching differential (fixed value, not adjustable) Microswitch 11 Switching differential (fixed value, not adjustable) Microswitch 21 Switching differential (fixed value, not adjustable) Electrical data switch Rating Resistive Load (Inductive Load) Type 10 Features Small switching differential, not adjustable Average switching differential, not adjustable Gold plated contacts, not adjustable Electrical Connection Stage adjustable

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All Trafag AG sensors & controls catalogs and technical brochures

*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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