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| Brand Name : | Xi'an Shendian | 
| Model Number : | SDZ-XX/XX | 
| Certification : | IEC 61643-311 | 
| Price : | To be determined by type and quantity. | 
| Payment Terms : | T/T; L/C. | 
| Delivery Time : | Ex-work 3 days~ 1 week depends on quantity. | 
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 | 
                                 
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| Company Info. | 
| Shendian Electric Co. Ltd | 
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