JBK series control transformer voltage type see Table 1
| Specification(Table 1) | First voltage V | Secondary voltage V | ||
| Control | Illumination | Indicator | ||
| 40VA | 220V/380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 63VA | ||||
| 100VA | ||||
| 160VA | ||||
| 250VA | ||||
| 400VA | ||||
| 630VA | ||||
| 1000VA | ||||
| 1600VA | ||||
| 2000VA | ||||
| 2500VA | ||||
JBK series control transformer voltage type see Table 2
| Model No.(Table 2) | Install dimension mm | Install dimension mm | Shape mm | Notice | ||||
| A | C | K | J | B | D | E | ||
| JBK1-40VA | 83 | 55 | 6 | 10 | 96 | 80 | 108 | Shape and install dimension for reference only,if any special requirements,please note it in the order. |
| JBK1-63VA | 83 | 55 | 6 | 10 | 96 | 80 | 108 | |
| JBK1-100VA | 83 | 70 | 6 | 10 | 96 | 94 | 108 | |
| JBK1-160VA | 90 | 90 | 7 | 13 | 126 | 130 | 110 | |
| JBK1-250VA | 90 | 114 | 7 | 13 | 126 | 130 | 136 | |
| JBK1-400VA | 110 | 100 | 8 | 14 | 150 | 146 | 126 | |
| JBK1-630VA | 110 | 110 | 8 | 14 | 150 | 176 | 136 | |
| JBK1-1000VA | 130 | 120 | 8 | 14 | 180 | 176 | 146 | |
| JBK1-1600VA | 150 | 140 | 9 | 16 | 196 | 193 | 166 | |
| JBK1-2000VA | 150 | 154 | 9 | 16 | 196 | 233 | 180 | |
JBK2 series production appearance dimension
| Model No.(Table 3) | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK2-40VA | 78 | 65 | 6 | 12 | 90 | 84 | 97 |
| JBK2-63VA | 78 | 65 | 6 | 12 | 90 | 84 | 97 |
| JBK2-100VA | 78 | 78 | 6 | 12 | 90 | 94 | 97 |
| JBK2-160VA | 90 | 78 | 6 | 12 | 108 | 94 | 112 |
| JBK2-250VA | 90 | 88 | 6 | 12 | 108 | 105 | 112 |
| JBK2-400VA | 105 | 84 | 8 | 16 | 136 | 108 | 127 |
| JBK2-630VA | 120 | 95 | 8 | 16 | 144 | 120 | 142 |
JBK3 series production appearance dimension
| Model No.(Table 4) | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK3-40VA | 55 | 50 | 6 | 9 | 80 | 78 | 90 |
| JBK3-63VA | 55 | 50 | 6 | 9 | 80 | 78 | 90 |
| JBK3-100VA | 65 | 65 | 6 | 9 | 87 | 95 | 92 |
| JBK3-160VA | 85 | 76 | 6 | 9 | 96 | 99 | 106 |
| JBK3-250VA | 85 | 90 | 6 | 9 | 100 | 106 | 102 |
| JBK3-400VA | 102 | 85 | 8 | 14 | 125 | 108 | 126 |
| JBK3-630VA | 130 | 82 | 8 | 14 | 155 | 107 | 145 |
| JBK3-1000VA | 155 | 125 | φ8 | φ8 | 205 | 155 | 155 |
| JBK3-1600VA | 185 | 157 | φ8 | φ8 | 220 | 180 | 150 |
| JBK3-2500VA | 174 | 200 | 7 | 12 | 210 | 265 | 175 |
JBK4 series production appearance dimension
| Model No.(Table 5) | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK4-40VA | 55 | 50 | 6 | 9 | 78 | 80 | 92 |
| JBK4-63VA | 55 | 50 | 6 | 9 | 78 | 80 | 92 |
| JBK4-100VA | 65 | 65 | 6 | 9 | 84 | 96 | 95 |
| JBK4-160VA | 85 | 71 | 6 | 9 | 96 | 100 | 110 |
| JBK4-250VA | 85 | 82 | 6 | 9 | 96 | 112 | 110 |
| JBK4-400VA | 102 | 86 | 8 | 14 | 12 | 106 | 128 |
| JBK4-630VA | 110 | 110 | 8 | 14 | 150 | 104 | 150 |
JBK5 series production appearance dimension
| Model No.(Table 6) | Install dimension mm | Shape mm | weight kg | |||
| A | C | B | D | E | ||
| 40VA | 56 | 46 | 78 | 72 | 90 | 1.09 |
| 63VA | 56 | 46 | 78 | 72 | 90 | 1.18 |
| 100VA | 64 | 62 | 84 | 92 | 96 | 1.98 |
| 160VA | 84 | 73 | 96 | 92 | 106 | 2.55 |
| 200VA | 84 | 85 | 96 | 108 | 106 | 3.15 |
| 250VA | 84 | 85 | 96 | 108 | 106 | 3.44 |
| 300VA | 93 | 84 | 120 | 95 | 122 | 4.76 |
| 400VA | 93 | 84 | 120 | 100 | 122 | 5 |
| 500VA | 93 | 99 | 120 | 115 | 122 | 6.8 |
| 630VA | 125 | 92 | 150 | 115 | 155 | 8.16 |
| 800VA | 125 | 105 | 150 | 130 | 155 | 9.08 |
| 1000VA | 140 | 158 | 160 | 195 | 145 | 11.25 |
| 1600VA | 155 | 180 | 184 | 225 | 145 | 13.6 |
| 2500VA | 165 | 210 | 200 | 250 | 171 | 22.35 |
JBK series control transformer voltage type see Table1
| Specification | First voltage V | Secondary voltage V | ||
| control | illumination | indicator | ||
| 40VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 63VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 100VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 160VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 250VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 400VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 630VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 1000VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 1600VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 2000VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
| 2500VA | 220V or 380V | 110(127)(220) | 24(36) (48) (12) | 6 |
This production has the advantage of stable operation, low consumption, small volume, safe connection, large application.
JBK1 series production appearance dimension Table2
| Model No. | Install dimension mm | Install bore mm | Shape mm | Note | ||||
| A | C | K | J | B | D | E | ||
| JBK1-40VA | 83 | 55 | 6 | 10 | 96 | 80 | 108 | Shape and install dimension for reference only, if any special requirements, please note it in the order. |
| JBK1-63VA | 83 | 55 | 6 | 10 | 96 | 80 | 108 | |
| JBK1-100VA | 83 | 70 | 6 | 10 | 96 | 80 | 108 | |
| JBK1-160VA | 90 | 90 | 7 | 13 | 126 | 130 | 110 | |
| JBK1-250VA | 90 | 114 | 7 | 13 | 126 | 130 | 136 | |
| JBK1-400VA | 110 | 100 | 8 | 14 | 150 | 146 | 126 | |
| JBK1-630VA | 110 | 110 | 8 | 14 | 150 | 176 | 136 | |
| JBK1-1000VA | 130 | 120 | 8 | 14 | 180 | 176 | 146 | |
| JBK1-1600VA | 150 | 140 | 9 | 16 | 196 | 193 | 166 | |
| JBK1-2000VA | 150 | 154 | 9 | 16 | 196 | 233 | 180 | |
JBK2 series production appearance dimension Table3
| Model No. | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK2-40VA | 78 | 65 | 6 | 12 | 90 | 84 | 97 |
| JBK2-63VA | 78 | 65 | 6 | 12 | 90 | 84 | 97 |
| JBK2-100VA | 78 | 78 | 6 | 12 | 90 | 94 | 97 |
| JBK2-160VA | 90 | 78 | 6 | 12 | 108 | 94 | 112 |
| JBK2-250VA | 90 | 88 | 6 | 12 | 108 | 105 | 112 |
| JBK2-400VA | 105 | 84 | 8 | 16 | 136 | 108 | 127 |
| JBK2-630VA | 120 | 95 | 8 | 16 | 144 | 120 | 142 |
JBK3 series production appearance dimension Table4
| Model No. | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK1-40VA | 55 | 50 | 6 | 9 | 80 | 78 | 90 |
| JBK1-63VA | 55 | 50 | 6 | 9 | 80 | 78 | 90 |
| JBK1-100VA | 65 | 65 | 6 | 9 | 87 | 95 | 92 |
| JBK1-160VA | 85 | 76 | 6 | 9 | 96 | 99 | 106 |
| JBK1-250VA | 85 | 90 | 6 | 9 | 100 | 106 | 102 |
| JBK1-400VA | 102 | 85 | 8 | 14 | 125 | 108 | 126 |
| JBK1-630VA | 130 | 82 | 8 | 14 | 155 | 107 | 145 |
| JBK1-1000VA | 155 | 125 | Φ8 | Φ8 | 205 | 155 | 155 |
| JBK1-1600VA | 185 | 157 | Φ8 | Φ8 | 220 | 180 | 150 |
| JBK1-2500VA | 174 | 200 | 7 | 12 | 210 | 265 | 175 |
JBK4 series production appearance dimension Table5
| Model No. | Install dimension mm | Install bore mm | Shape mm | ||||
| A | C | K | J | B | D | E | |
| JBK2-40VA | 55 | 50 | 6 | 9 | 78 | 80 | 92 |
| JBK2-63VA | 55 | 50 | 6 | 9 | 78 | 80 | 92 |
| JBK2-100VA | 65 | 65 | 6 | 9 | 84 | 96 | 95 |
| JBK2-160VA | 85 | 71 | 6 | 9 | 96 | 100 | 110 |
| JBK2-250VA | 85 | 82 | 6 | 9 | 96 | 112 | 110 |
| JBK2-400VA | 102 | 86 | 8 | 14 | 12 | 106 | 128 |
| JBK2-630VA | 110 | 110 | 8 | 14 | 150 | 104 | 150 |
JBK5 series production appearance dimension Table6
| Model No. | Install dimension mm | Shape mm | Weight kg | |||
| A | C | B | D | E | ||
| 40VA | 56 | 46 | 78 | 72 | 90 | 1.09 |
| 63VA | 56 | 46 | 78 | 72 | 90 | 1.09 |
| 100VA | 64 | 62 | 84 | 92 | 96 | 1.09 |
| 160VA | 84 | 73 | 96 | 92 | 106 | 2.55 |
| 200VA | 84 | 85 | 96 | 108 | 106 | 3.15 |
| 250VA | 84 | 85 | 96 | 108 | 106 | 3.44 |
| 300VA | 93 | 84 | 120 | 95 | 122 | 4.76 |
| 400VA | 93 | 84 | 120 | 100 | 122 | 5 |
| 500VA | 93 | 99 | 120 | 115 | 122 | |
| 630VA | 125 | 92 | 150 | 115 | 155 | 8.16 |
| 800VA | 125 | 105 | 150 | 130 | 155 | 9.08 |
| 1000VA | 140 | 158 | 160 | 195 | 145 | 11.25 |
| 1600VA | 155 | 180 | 184 | 225 | 145 | 13.6 |
| 2500VA | 165 | 210 | 200 | 250 | 171 | 22.35 |