AllGood Sci & Tech Co., Ltd.
- An AllGood-Group Company

AllGood AG-B+C Class I + Class II Modular Surge Protective Device SPD


AG-B+C Class I + Class II Modular Surge Protective Device SPD is designed and manufactured according to IEC61643 standard. It combines Class I with Class II (B+C). It is designed as module, with features of good seal ability and 35mm din rail mounted. With temperature control circuit breaker and built-in over current protective circuit, it can automatically release to avoid fire danger when it breaks down. It consists of remote alarm connector for remote monitoring.

Class I + Class II SPD is used in the front end of desk type transformer or box type transformer of wind power generation system, to protect transformer power equipment.

AG-B+C Class I + Class II Modular Surge Protective Device SPD
SPD Type (Class I+Class II) : One-port SPD
Rated Voltage U0 : 690V AC
Maximum Continuous Operating Voltage Uc : 780V AC
Impulse Current Iimp(10/350µs) : 25kA
Voltage Protection Level Up : ≤1.8kV
Respond Time tA : ≤100ns
Remote Alarm Function : Yes
Maximum Connection Wire Range : BVR 35mm2 Strand Wire
Method of Installation : 35mm Din Rail Mounting
Material of Shell : PC
Flame Retardant Rating of Outer Shell : UL94-V0
Protection Level of Outer Shell : IP20
Working Temperature : –25~+70℃
Relative Humidity : ≦95%RH
Product Model Protection Mode Install Location Dimension
AG-DK-50G-40(3+3) L-PE The front end of transformer 165*91*65mm
AG-DK-50G-40(4+3) L-N-PE The front end of transformer 200*91*65mm
AG-B+C Class I + Class II Modular Surge Protective Device SPD
Product Model Protection Mode Install Location Dimension
AG-DK-50G-40(3+3) L-PE The front end of transformer 165*91*65mm
AG-DK-50G-40(4+3) L-N-PE The front end of transformer 200*91*65mm
AG-B+C Class I + Class II Modular Surge Protective Device SPD