introduction this fully variable, powerful phase angle regulator is a manually controlled, robust, compact, enclosed unit for direct or transformer coupled, single-phase loads. the high current triac, fuse terminals and all main parts are enclosed and mounted on an integral heatsink to ensure long life with reliable high ambient temperature operation. the large triac enables the unit to handle high in-rush currents with ample safety margin on industrial installations. applications suitable for conventional resistive heating elements, including ovens, moulders, dryers and some inductive loads e.g. transformers and motors. 25a variable phase angle regulator avr x10208 features integral high speed fuse. built in heatsink. high in-rush capability. single entry cable gland. control knob and dial supplied. installation fixing/mounting/dimensions
united automation limited 1 southport business park tel (01704)-565713 southport, pr8 4hq, u.k. fax (01704)-569760 page no 2 of 2 issue 2 17/07/98 order code state part number: avr + (mains supply voltage) optional extras include f-series filter. note: when ordering a filter, the current the avr is to be used at will be required. recommendation other documents available on request, which may be appropriate for your applications. code identity description x10229 rfi filtering recommendations - addressing the emc di rective x10213 ita interaction, uses for phase angle and for burst fire control. x10255 sra safety requirements - addressing the low voltage directive (lvd) including :- thermal data/cooling ; ?live? parts warning & earthing requirements; fusing recom mendations. ap02/4 cos ual conditions of sale note it is recommended that installation and maintenance of this equipment should be done with reference to the current edition of the i.e.e. wiring regulations (bs7671) by suitably qualified/trained personnel. the regulations contain important requirements regarding safety of electrical equipment. (for international standards refer to i.e.c directive iec 950). ce marking this product family carries a ?ce marking?. these phase angle type controllers require a suitable remote filter. for information see recommendation section and contact our sales desk. (see declaration of conformity). fusing: it is recommended to use semiconductor (fast acting) type fuses or circuit breakers (semiconductor - mcb) for unit protection. (see sra datasheet for further information). specifications : mains voltage 110 or 230v ac 10% isolation classification class ii @ 50/60 hz isolation voltage 2500v rms min. load current 200ma i 2 t for scr fusing 250a 2 s max. rms current 25a. offstate dv/dt 500v/ us main control integral 220k pot. replacement fuse 30a 660v scr type peak one cycle surge heatsink max operating temp 250a 1.3oc/watt 0-65oc storage temp. max. cable entry min. level set -20oc to +85oc 2.5mm 2 0-50% via integral cermet
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