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SGS1 Series

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# SGS1 Series

SPD SERIES Surge Protective Device

105

SGS1 Series Surge Protective Device

106

| Standard | IEC61643-1 |
| --- | --- |
| Protection | Protect electric system and on-loading electrical apparatus from thunder and instanteous over-voltage |
| Ambient temperature(°C) | -40~+70 |
| Number of poles | 1P,2P,3P,4P |
| Maximum continuous Operating voltage Uc(V~) | 275/320/385/440 |
| Nominal discharge current In(8/20μs)(kA) | 10/20/30/40/60 |
| Maximum discharge current lmax(8/20μs)(kA) | 20/40/60/80/100 |
| Protection level Up(kV) | <1.3/1.4/1.5/1.6/1.7/1.8/2.2/2.5/3.0 |
| Response time t(ns) | <25 |
| On-Off indicating window | Green: normal function Red: functionless,immediate replacement required |
| Type of terminal | Pin type |
| Installation | Mounting on 35mm DIN rail |
| Ground system | TT/TN |
| SGS1/1 SGS1/2 SGS1/3 SGS1/4 |  |

SGS1-C Series Surge Protective Device

107

|  | Type | Poles | Uc(V~) | Discharge current |  | Up (kV) | Applicable grounding system |
| --- | --- | --- | --- | --- | --- | --- | --- |
|  |  |  |  | Nominal (kA) | Max. (kA) |  |  |
| SGS1-C/1 | SGS1-C/1-275-20 | 1 | 275 | 20 | 40 | <1.6 | TT/TN |
|  | SGS1-C/1-320-20 |  | 320 |  |  | <1.7 |  |
|  | SGS1-C/1-385-20 |  | 385 |  |  | <1.8 |  |
|  | SGS1-C/1-440-20 |  | 440 |  |  | <2.2 |  |
| SGS1-C/2 | SGS1-C/2-275-20 | 2 | 275 | 20 | 40 | <1.6 | TT/TN |
|  | SGS1-C/2-320-20 |  | 320 |  |  | <1.7 |  |
|  | SGS1-C/2-385-20 |  | 385 |  |  | <1.8 |  |
|  | SGS1-C/2-440-20 |  | 440 |  |  | <2.2 |  |
| SGS1-C/3 | SGS1-C/3-275-20 | 3 | 275 | 20 | 40 | <1.6 | TT/TN |
|  | SGS1-C/3-320-20 |  | 320 |  |  | <1.7 |  |
|  | SGS1-C/3-385-20 |  | 385 |  |  | <1.8 |  |
|  | SGS1-C/3-440-20 |  | 440 |  |  | <2.2 |  |
| SGS1-C/4 | SGS1-C/4-275-20 | 4 | 275 | 20 | 40 | <1.6 | TT/TN |
|  | SGS1-C/4-320-20 |  | 320 |  |  | <1.7 |  |
|  | SGS1-C/4-385-20 |  | 385 |  |  | <1.8 |  |
|  | SGS1-C/4-440-20 |  | 440 |  |  | <2.2 |  |

SGS1-D Series Surge Protective Device

SGS1-D/1

D D

SGS1-D/2

D D D

SGS1-D/3

D D D D

SGS1-D/4

Type

SGS1-D/1-275-20

SGS1-D/1-320-20

SGS1-D/1-385-20

SGS1-D/1-440-20

SGS1-D/2-275-20

SGS1-D/2-320-20

SGS1-D/2-385-20

SGS1-D/2-440-20

SGS1-D/3-275-20

SGS1-D/3-320-20

SGS1-D/3-385-20

SGS1-D/3-440-20

SGS1-D/4-275-20

SGS1-D/4-320-20

SGS1-D/4-385-20

SGS1-D/4-440-20 440 <1.8

Discharge current Nominal (kA) Uc(V~) Poles Up (kV) Max. (kA) 275

320 <1.5 1 10 20 385 <1.6

440 <1.8

275 <1.2

320 <1.5 2 10 20 TT/TN 385 <1.6

440 <1.8

275 <1.2

320 <1.5 10 20 TT/TN 3 385 <1.6

440 <1.8

275 <1.2

320 <1.5 10 20 TT/TN 4 385 <1.6

Applicable grounding system <1.2

TT/TN

108