Bender has a range of current transformers for load currents (operating currents) and residual currents (RCM). Different designs cover a variety of installation situations and metrological requirements, and enable retrofitting.
Find Current Transformers!Size (AWG/MCM) | THW/THHW/TW Insulation (In./mm) | TFN/THHN/TWWN Insulation (In./mm) | Uninsulated Conductors Range Min (In./mm) | Uninsulated Conductors Range Max (In./mm) |
---|---|---|---|---|
24 AWG | 0.059 (1.5) | 0.088 (2.2) | 0.020 (0.5) | 0.024 (0.6) |
22 AWG | 0.066 (1.7) | 0.094 (2.4) | 0.025 (0.6) | 0.031 (0.8) |
20 AWG | 0.071 (1.8) | 0.101 (2.6) | 0.032 (0.8) | 0.038 (1.0) |
18 AWG | 0.084 (2.1) | 0.111 (2.8) | 0.040 (1.0) | 0.049 (1.2) |
16 AWG | 0.096 (2.4) | 0.124 (3.1) | 0.051 (1.3) | 0.060 (1.5) |
14 AWG | 0.111 (2.8) | 0.133 (3.4) | 0.064 (1.6) | 0.073 (1.9) |
12 AWG | 0.130 (3.3) | 0.152 (3.9) | 0.081 (2.1) | 0.095 (2.4) |
10 AWG | 0.164 (4.2) | 0.176 (4.5) | 0.102 (2.6) | 0.116 (2.9) |
8 AWG | 0.216 (5.5) | 0.236 (6.0) | 0.128 (3.3) | 0.146 (3.7) |
6 AWG | 0.254 (6.5) | 0.304 (7.7) | 0.162 (4.1) | 0.184 (4.7) |
4 AWG | 0.324 (8.2) | 0.352 (8.9) | 0.204 (5.2) | 0.232 (5.9) |
3 AWG | 0.352 (8.9) | 0.380 (9.7) | 0.229 (5.8) | 0.260 (6.6) |
2 AWG | 0.384 (9.8) | 0.420 (10.7) | 0.258 (6.6) | 0.292 (7.4) |
1 AWG | 0.446 (11.3) | 0.492 (12.5) | 0.289 (7.3) | 0.332 (8.4) |
1/0 AWG | 0.486 (12.3) | 0.532 (13.5) | 0.325 (8.3) | 0.373 (9.5) |
2/0 AWG | 0.532 (13.5) | 0.578 (14.7) | 0.365 (9.3) | 0.418 (10.6) |
3/0 AWG | 0.584 (14.8) | 0.630 (16.0) | 0.410 (10.4) | 0.470 (11.9) |
4/0 AWG | 0.642 (16.3) | 0.688 (17.5) | 0.460 (11.7) | 0.528 (13.4) |
250 MCM | 0.711 (18.1) | 0.765 (19.4) | 0.500 (12.7) | 0.575 (14.6) |
300 MCM | 0.766 (19.5) | 0.820 (20.8) | 0.548 (13.9) | 0.630 (16.0) |
350 MCM | 0.817 (20.8) | 0.871 (22.1) | 0.592 (15.0) | 0.681 (17.3) |
400 MCM | 0.864 (21.9) | 0.918 (23.3) | 0.633 (16.1) | 0.728 (18.5) |
500 MCM | 0.949 (24.1) | 1.003 (25.5) | 0.707 (18.0) | 0.813 (20.7) |
600 MCM | 1.051 (26.7) | 1.113 (28.3) | 0.775 (19.7) | 0.893 (22.7) |
700 MCM | 1.122 (28.5) | 1.184 (30.1) | 0.837 (21.3) | 0.964 (24.5) |
750 MCM | 1.156 (29.4) | 1.218 (30.9) | 0.866 (22.0) | 0.998 (25.3) |
800 MCM | 1.188 (30.2) | 1.250 (31.8) | 0.894 (22.7) | 1.031 (26.2) |
900 MCM | 1.252 (31.8) | 1.314 (33.4) | 0.949 (24.1) | 1.093 (27.8) |
1000 MCM | 1.310 (33.3) | 1.372 (34.8) | 1.000 (25.4) | 1.152 (29.3) |
1250 MCM | ---- | 1.539 (39.1) | 1.121 (28.5) | 1.289 (32.7) |
1500 MCM | ---- | 1.662 (42.2) | 1.228 (31.2) | 1.412 (35.9) |
1750 MCM | ---- | 1.776 (45.1) | 1.327 (33.7) | 1.526 (38.8) |
2000 MCM | ---- | 1.882 (47.8) | 1.419 (36.0) | 1.632 (41.5) |