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Trafag AG sensors & controls
Data Sheet A/AS/ASE 645/650

Data Sheet A/AS/ASE 645/650

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 AmbistAt A/AS/ASE 645/650 series, designed for HVAC and refrigeration applications.

Applications and Features:

Short response time and IP54 protection.
Electrical connection via terminal screw.

Technical Specifications:

Room thermostat with adjustable or non-adjustable switching differential.
Measuring range from -45°C to +60°C with repeatability of ±0.5% FS.
Output signal is a floating change-over contact, approved by EN60730-1/EN60730-2-9 standards.

Product Variants:

Multiple models with varying temperature ranges and switching differentials, both adjustable and fixed.
Standard products available with short lead times.

Ordering Information:

Custom build codes available for external and internal adjustments, microswitch types, and sensor materials.
Options for outdoor usage, railway versions, and additional accessories.

Environmental and Mechanical Data:

Operating temperature varies by model, with storage temperatures ranging from -30°C to +85°C.
Protection rating of IP54 and maximum humidity of 95% relative.
Housing made from PC/ABS-blend V0, with installation possible in any position.

Electrical Specifications:

Microswitch ratings vary by type, with resistive and inductive load specifications provided.
Electrical connection through cable gland M16x1.5 and terminal screw.

Additional Information:

Further documentation and instructions available on Trafag's 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 ■ Short response time Electrical connection on terminal screw o Trafag Sensors & Controls Industriestrasse 11 Tel. +41 44922 32 32 www.trafag.com sensors ^►controls

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A/AS/ASE 645/650 Ordering information/type code XXX XX XX XXX XX XX Custom build code External adjustment Internal adjustment Small switching differential, not adjustable Average switching differential, not adjustable With gold plated contacts, not adjustable Adjustable large switching differential Adjustable standard switching differential Copper nickel plated 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 Switchpoint adjustment please indicate when ordering: - Switchpoint...

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A/AS/ASE 645/650 Specifications Accuracy 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 10/11/25: 20 Mio. cycles Microswitch 21: 0.5 Mio. cycles Microswitch 24: 0.3 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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A/AS/ASE 645/650 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) Microswitch 24 Switching differential (adjustable value) 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 Gold plated contacts, not adjustable Adjustable standard switching...

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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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