Shendian Electric Co. Ltd
Shendian Electric Co. Ltd
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Power Supply Surge Protective Device
Product introduction:
Installation:
1/ Install on 35mm rail;
2/ It is necessary to series connect a fuse or air switch with SPD.
| Class | Ⅰ | |
| Type | SDZ100-50/420 | SDZ100-50/440 |
| Max. continuous operation voltage (Uc) | 420V | 440V |
| Protection voltage Up | ＜2.5kV | ＜2.5kV |
| Power Supply | 3 phase/ Wind power system | 3 phase/ Wind power system |
| Nominal discharge current, In (8/20μs) | 200kA/phase | 200kA/phase |
| Impulse discharge current, limp (10/350μs) | 60kA/phase | 60kA/phase |
| Cross section of connection wire | 16mm2~30mm2 (Mul.) | 16mm2~30mm2 (Mul.) |
| Protection mode | L-PE; L-N; N-PE | L-PE; L-N; N-PE |
| Environment condition | -40℃~+85℃ | -40℃~+85℃ |
| Dimension (mm) | 150*35(n)*78 (n is quanity) | 150*35(n)*78 (n is quanity) |
| Installation | 35mm std. rail | 35mm std. rail |
B: Class Ⅱ
| Class | Ⅱ | ||||
| Type | SDZ-60/275 | SDZ-60/385 | SDZ-60/400 | SDZ-60/420 | NPE |
| Max. continuous operation voltage (Uc) | 275V | 385V | 400V | 420V | 255V |
| Protection voltage Up | ＜1.5kV | ＜2.0kV | ＜2.2kV | ＜2.3kV | ＜1.5kV |
| Power Supply | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases |
| Nominal discharge current, In (8/20μs) | 40kA/phase | 40kA/phase | 40kA/phase | 40kA/phase | 40kA/phase |
| Max. discharge current, lmax (8/20μs) | 60kA/phase | 60kA/phase | 60kA/phase | 60kA/phase | 60kA/phase |
| Leakage current | ＜20μA | ＜20μA | ＜20μA | ＜20μA | / |
| Cross section of connection wire | 16mm2~25mm2 (Mul.) | 16mm2~25mm2 (Mul.) | 16mm2~25mm2 (Mul.) | 16mm2~25mm2 (Mul.) | 16mm2~25mm2 (Mul.) |
| Protection mode | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE |
| Environment condition | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ |
| Dimension (mm) | 90*30(n)*68 (n is quanity) | 90*30(n)*68 (n is quanity) | 90*30(n)*68 (n is quanity) | 90*30(n)*68 (n is quanity) | 90*30(n)*68 (n is quanity) |
| Installation | 35mm std. rail | 35mm std. rail | 35mm std. rail | 35mm std. rail | 35mm std. rail |
C: Class Ⅲ
| Level | Ⅲ | ||||
| Type | SDZ-40/275 | SDZ-40/385 | SDZ-40/420 | SDZ-40/440 | NPE |
| Max. continuous operation voltage (Uc) | 275V | 385V | 420V | 440V | 255V |
| Protection voltage Up | ＜1.3kV | ＜1.8kV | ＜2.0kV | ＜2.2kV | ＜1.5kV |
| Power Supply | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases | 1 phase/ 3 phases |
| Nominal discharge current, In (8/20μs) | 20kA/phase | 20kA/phase | 20kA/phase | 20kA/phase | 20kA/phase |
| Max. discharge current, lmax (8/20μs) | 40kA/phase | 40kA/phase | 40kA/phase | 40kA/phase | 40kA/phase |
| Leakage current | ＜20μA | ＜20μA | ＜20μA | ＜20μA | / |
| Cross section of connection wire | 10mm2~16mm2 (Mul.) | 10mm2~16mm2 (Mul.) | 10mm2~16mm2 (Mul.) | 10mm2~16mm2 (Mul.) | 10mm2~16mm2 (Mul.) |
| Protection mode | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE | L-PE; L-N; N-PE |
| Degradation indicator | Yes | Yes | Yes | Yes | Yes |
| Remote alarm | Optional by customer | Optional by customer | Optional by customer | Optional by customer | Optional by customer |
| Environment condition | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ |
| Dimension (mm) | 90*18(n)*65 (n is quanity) | 90*18(n)*65 (n is quanity) | 90*18(n)*65 (n is quanity) | 90*18(n)*65 (n is quanity) | 90*18(n)*65 (n is quanity) |
| Installation | 35mm std. rail | 35mm std. rail | 35mm std. rail | 35mm std. rail | 35mm std. rail |