| 3D13UR Supplementary Protector 13A, 3 Pole, 480Y/277V AC, D Trip, UL1077 | Altech Corp. | $51.99 | |
| ST203M-B30NA Supplementary Curcuit Protector, 3 pole, 30.0 Amp, 277 VAC, B Curve, UL 1077, w/... | ABB Control | $474.85 | |
| ST204M-C3 Supplementary Curcuit Protector, 4 pole, 3.0 Amp, 277 VAC, C Curve, UL 1077 | ABB Control | $474.85 | |
| ST204M-K20 Supplementary Curcuit Protector, 4 pole, 20.0 Amp, 277 VAC, K Curve, UL 1077 | ABB Control | $474.85 | |
| ST203M-Z32 Supplementary Curcuit Protector, 3 pole, 32.0 Amp, 277 VAC, Z Curve, UL 1077 | ABB Control | $335.38 | |
| L8-15/2/B Sprecher + Schuh L8-15/2/B - Supplementary Protectors, CURVE-B, 15A, 2-POLE, UL... | Sprecher + Schuh | $115.23 | |
| L8-40/2/B Sprecher + Schuh L8-40/2/B - Supplementary Protectors, CURVE-B, 40A, 2-POLE, UL... | Sprecher + Schuh | $144.03 | |
| L8-50/2/B Sprecher + Schuh L8-50/2/B - Supplementary Protectors, CURVE-B, 50A, 2-POLE, UL... | Sprecher + Schuh | $166.59 | |
| L8-13/2/C Sprecher + Schuh L8-13/2/C - Supplementary Protectors, CURVE-C, 13A, 2-POLE, UL... | Sprecher + Schuh | $135.27 | |
| L8-15/2/C Sprecher + Schuh L8-15/2/C - Supplementary Protectors, CURVE-C, 15A, 2-POLE, UL... | Sprecher + Schuh | $135.27 | |