Douglas Electronic Industries Limited
Unit 12 Thames Street
Louth
Lincolnshire
LN11 7AD
U clamp mounted, standard range transformers are available in various bobbin sizes from 6VA up to 75VA. All bobbin sizes have fully shrouded primary and secondary windings. All fine windings are skeined to pins for extra strength. Thermal fuse protection to BS3535 is available on request. Output voltages are full load. A wide range of alternative bobbins and designs are also available for special requirements. The bobbin plans and tag layouts listed give the tag numbers used for each VA size and number of primary and secondary taps. Different tag positions can be used according to requirements. Terminal covers are also available.
Rating | Volts Per Secondary | Reference | Tag View |
---|---|---|---|
6VA | 4.5-0-4.5 | EMT440CT | |
0-6,0-6 | EMT446CT | ||
0-7.5,0-7.5 | EMT453CT | ||
0-9,0-9 | EMT460CT | ||
0-12,0-12 | EMT467CT | ||
0-15,0-15 | EMT474CT | ||
0-17.5,0-17.5 | EMT481CT | ||
0-20,0-20 | EMT488CT | ||
12VA | 0-4.5,0-4.5 | EMT443CT | |
0-6,0-6 | EMT449CT | ||
0-7.5,0-7.5 | EMT456CT | ||
0-9,0-9 | EMT463CT | ||
0-12,0-12 | EMT470CT | ||
0-15,0-15 | EMT477CT | ||
0-17.5,0-17.5 | EMT484CT | ||
0-20,0-20 | EMT491CT | ||
25VA | 0-4.5,0-4.5 | EMT444CT | |
0-6,0-6 | EMT450CT | ||
0-7.5,0-7.5 | EMT457CT | ||
0-9,0-9 | EMT464CT | ||
0-12,0-12 | EMT471CT | ||
0-15,0-15 | EMT478CT | ||
0-17.5,0-17.5 | EMT485CT | ||
0-20,0-20 | EMT492CT | ||
50VA | 0-4.5,0-4.5 | EMT445CT | |
0-6,0-6 | EMT451CT | ||
0-7.5,0-7.5 | EMT458CT | ||
0-9,0-9 | EMT465CT | ||
0-12,0-12 | EMT472CT | ||
0-15,0-15 | EMT479CT | ||
0-17.5,0-17.5 | EMT486CT | ||
0-20,0-20 | EMT493CT | ||
75VA | 0-4.5,0-4.5 | EMT554CT | |
0-6,0-6 | EMT555CT | ||
0-9,0-9 | EMT556CT | ||
0-12,0-12 | EMT557CT | ||
0-15,0-15 | EMT558CT | ||
0-18,0-18 | EMT559CT | ||
0-20,0-20 | EMT560CT |
Rating | Reg % | Dimensions (inches) | Dimensions (mm) | Weight | Fixing | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
A | C | D | B | E | A | C | D | B | E | lb | kg | BA | MM | ||
6VA | 18 | 2.62 | 1.43 | 2.12 | 1.50 | 1.75 | 67 | 37 | 54 | 40 | 45 | 0.45 | 0.20 | 4 | 4 |
12VA | 10 | 3.37 | 2.00 | 2.75 | 2.00 | 2.37 | 86 | 50 | 71 | 50 | 60 | 1.00 | 0.45 | 2 | 4 |
25VA | 10 | 3.81 | 2.25 | 3.31 | 2.18 | 2.75 | 97 | 58 | 84 | 55 | 70 | 1.55 | 0.70 | 2 | 4 |
50VA | 10 | 4.12 | 2.56 | 3.62 | 2.43 | 3.12 | 105 | 65 | 92 | 62 | 80 | 2.20 | 1.00 | 2 | 4 |
75VA | 8 | 4.12 | 2.56 | 3.62 | 2.62 | 3.12 | 105 | 65 | 92 | 68 | 80 | 2.65 | 1.20 | 2 | 4 |