{"id":7171,"date":"2024-03-16T01:52:52","date_gmt":"2024-03-16T00:52:52","guid":{"rendered":"https:\/\/www.kfactor.it\/kfactor\/en\/?post_type=product&p=7171"},"modified":"2026-08-05T17:00:09","modified_gmt":"2026-08-05T15:00:09","slug":"varf-3n-three-phase-open-type-variable-transformers-from-4a-to-60a-0435v","status":"publish","type":"product","link":"https:\/\/www.kfactor.it\/en\/shop\/variable-transformers\/varf-3n-three-phase-open-type-variable-transformers-from-4a-to-60a-0435v\/","title":{"rendered":"VARxxF-3N – THREE PHASE OPEN TYPE VARIABLE TRANSFORMERS from 4A to 80A 0:435V"},"content":{"rendered":"

THREE PHASE OPEN TYPE VARIABLE TRANSFORMERS from 4A to 80A 0:435V<\/h3>\n

K-FACTOR VARIABLE TRANSFORMER ARE MADE FOR ALL THE EXPERIMENTATION AND TESTING NEEDS OF TECHNICAL OFFICES, LABORATORIES AND INDUSTRIES. THEY ARE SUPPLIED TO HAVE A VARIABLE VOLTAGE FROM 0V TO 250Vac SINGLE-PHASE OR FROM 0V TO 435V THREE-PHASE WITH DIFFERENT RATED CURRENTS.<\/p>\n

These products are supplied freestanding, to be installed on the back of switchboard panels for models up to 20 A. For higher power models, assembly must be carried out horizontally.<\/p>\n

Knob and dial for adjustment are optional.<\/p>\n\n\n\n
Input voltage: 400Vac three phase
\nOutput adjustable voltage: 0 : 435Vac
\nOpen type, panel mounting
\nIP00 grade of protection
\nIsolation class\u00a0E (AT max 45\u00b0C)
\nSingle winding with input intermediate tap
\nResin impregnated and tropicalized
\nKnob and dial available on request
\nAvailable versions: with gear motor and microswitches, stabilized, closed type
\nSINGLE PHASE MODEL AVAILABLE<\/a><\/td>\n		\u00a0\"scheme<\/a>
\n<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n
\"variatore<\/td>\n\"variatore<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n\n
corrent<\/td>\ncode<\/td>\nMAX<\/td>\ndimensions mm.<\/td>\nweight<\/td>\n<\/tr>\n
A<\/td>\nkVA<\/td>\nA<\/td>\nB<\/td>\nH<\/td>\nC<\/td>\nD<\/td>\nE<\/td>\nkg.<\/td>\n<\/tr>\n
4<\/td>\nVAR04F-3N<\/td>\n3.0<\/td>\n180<\/td>\n180<\/td>\n520<\/td>\n160<\/td>\n10<\/td>\n10<\/td>\n28<\/td>\n<\/tr>\n
6<\/td>\nVAR06F-3N<\/td>\n4.5<\/td>\n180<\/td>\n180<\/td>\n520<\/td>\n165<\/td>\n10<\/td>\n10<\/td>\n37<\/td>\n<\/tr>\n
8<\/td>\nVAR08F-3N<\/td>\n6.0<\/td>\n180<\/td>\n180<\/td>\n520<\/td>\n160<\/td>\n10<\/td>\n10<\/td>\n38<\/td>\n<\/tr>\n
10<\/td>\nVAR10F-3N<\/td>\n7.5<\/td>\n180<\/td>\n180<\/td>\n520<\/td>\n160<\/td>\n10<\/td>\n10<\/td>\n46<\/td>\n<\/tr>\n
14<\/td>\nVAR14F-3N<\/td>\n10.5<\/td>\n220<\/td>\n220<\/td>\n540<\/td>\n180<\/td>\n10<\/td>\n10<\/td>\n57<\/td>\n<\/tr>\n
18<\/td>\nVAR18F-3N<\/td>\n13.5<\/td>\n220<\/td>\n220<\/td>\n590<\/td>\n180<\/td>\n10<\/td>\n10<\/td>\n67<\/td>\n<\/tr>\n
20<\/td>\nVAR20F-3N<\/td>\n15<\/td>\n220<\/td>\n220<\/td>\n590<\/td>\n180<\/td>\n10<\/td>\n10<\/td>\n69<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

 <\/p>\n\n\n\n
\"three<\/td>\n\"<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n\n\n\n\n\n\n\n
corrent<\/td>\ncode<\/td>\nMAX<\/td>\ndimensions mm.<\/td>\nweight<\/td>\n<\/tr>\n
A<\/td>\n<\/td>\nkVA<\/td>\nA<\/td>\nB<\/td>\nH<\/td>\nD<\/td>\nE<\/td>\nkg.<\/td>\n<\/tr>\n
26<\/td>\nVAR26F-3N<\/td>\n19.5<\/td>\n420<\/td>\n420<\/td>\n820<\/td>\n15<\/td>\n150<\/td>\n119<\/td>\n<\/tr>\n
30<\/td>\nVAR30F-3N<\/td>\n23.5<\/td>\n420<\/td>\n420<\/td>\n820<\/td>\n15<\/td>\n150<\/td>\n131<\/td>\n<\/tr>\n
40<\/td>\nVAR40F-3N<\/td>\n30<\/td>\n420<\/td>\n420<\/td>\n820<\/td>\n15<\/td>\n150<\/td>\n155<\/td>\n<\/tr>\n
50<\/td>\nVAR50F-3N<\/td>\n37.5<\/td>\n480<\/td>\n480<\/td>\n820<\/td>\n15<\/td>\n150<\/td>\n207<\/td>\n<\/tr>\n
60<\/td>\nVAR60F-3N<\/td>\n45<\/td>\n480<\/td>\n480<\/td>\n880<\/td>\n15<\/td>\n150<\/td>\n228<\/td>\n<\/tr>\n
80<\/td>\nVAR80F-3N<\/td>\n60<\/td>\n480<\/td>\n480<\/td>\n880<\/td>\n15<\/td>\n150<\/td>\n237<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

THREE PHASE OPEN TYPE VARIABLE TRANSFORMERS from 4A to 80A 0:435V K-FACTOR VARIABLE TRANSFORMER ARE MADE FOR ALL THE EXPERIMENTATION AND TESTING NEEDS OF TECHNICAL OFFICES, LABORATORIES AND INDUSTRIES. THEY ARE SUPPLIED TO HAVE A VARIABLE VOLTAGE FROM 0V TO 250Vac SINGLE-PHASE OR FROM 0V TO 435V THREE-PHASE WITH DIFFERENT RATED CURRENTS. These products are […]<\/p>\n","protected":false},"featured_media":12788,"template":"","meta":{"_acf_changed":false},"product_brand":[],"product_cat":[230],"product_tag":[341,344,340,337,347,346],"class_list":["post-7171","product","type-product","status-publish","has-post-thumbnail","product_cat-variable-transformers","product_tag-closed-type-variable-transformer-2","product_tag-linear-variator","product_tag-open-type-variable-transformer","product_tag-three-phase-variac","product_tag-three-phase-variators","product_tag-voltage-variators","has-post-title","has-post-date","has-post-category","has-post-tag","has-post-comment","has-post-author","","first","instock","featured","taxable","shipping-taxable","product-type-simple"],"acf":[],"yoast_head":"\nVARxxF-3N - THREE PHASE OPEN TYPE VARIABLE TRANSFORMERS from 4A to 80A 0:435V - K-factor<\/title>\n<meta name=\"description\" content=\"VARF-3N series manual three-phase voltage variators (4A-60A). 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