A Surge Protective Device (SPD) is designed to protect electrical systems from voltage surges and transients caused by events such as lightning strikes or power surges. SPDs work by diverting excess voltage away from sensitive equipment, thereby preventing damage and maintaining electrical system reliability. They are crucial for safeguarding electronics, computers, and network equipment in both residential and commercial settings. Available in various forms, including plug-in, hardwired, and whole-house units, SPDs help ensure electrical safety, reduce downtime, and extend the lifespan of connected devices.
Surge Protective Device SPD
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MCB & MCCB, Surge Protective Device SPD
Himel Surge Protection Device HDY3 40KA 2P 275 1P+N SPD
HDY3N Selection Guide
Product name: HDY3N
Protection Type: Default
Maximum discharge current:65 (20: 20kA, 40: 40kA, 65: 65kA, 80: 80kA, 120: 120kA, 160: 160kA)
Poles: 2( 1: 1P, 2: 2P, 3: 3P, 4: 4P, 5: 1P+N, 6: 3P+N)
Maximum continuous voltage:275 (Default: 385V, 275: 275V, 440: 440V)
Accessories:YX (YX: Remote signaling
Default: No remote signalingSKU: EH2F6C89 -
MCB & MCCB, Surge Protective Device SPD
Himel Surge Protection Device HDY3 40KA 3P 385 2P+N SPD
HDY3N Selection Guide
Product name: HDY3N
Protection Type: Default
Maximum discharge current:65 (20: 20kA, 40: 40kA, 65: 65kA, 80: 80kA, 120: 120kA, 160: 160kA)
Poles: 2( 1: 1P, 2: 2P, 3: 3P, 4: 4P, 5: 1P+N, 6: 3P+N)
Maximum continuous voltage:275 (Default: 385V, 275: 275V, 440: 440V)
Accessories:YX (YX: Remote signaling
Default: No remote signalingSKU: EH2F6C89-1 -
MCB & MCCB, Surge Protective Device SPD
Himel Surge Protection Device HDY3 65KA 4P 440 3P+N SPD
Rated voltage Uo 230V
Poles 1P, 2P, 3P, 4P, 1P+N. 3P+N
Protection rating II
Waveform 8/20us
Product model HDY3N-20 HDY3N-40 HDY3N-65 HDY3N-80 HDY3N-120 HDY3N-160
Nominal discharge current In 10kA 20kA 30kA 40kA 60kA 80kA
Maximum discharge current Imax 20kA 40kA 65kA 80kA 120kA 160kA
Maximum allowable backup fuse strength(gL) 50A 100A 125A 160A 200A 250A
Maximum continuous operating voltage Uc 275/385/440V 275/385/440V 275/385/440V 275/385/440V 275/385/440V 275/385/440V
Protection level Up 1.3/1.6/1.8kV 1.5/1.8/2.0kV 1.6/2.0/2.2kV 1.8/2.2/2.2kV 2.2/2.5/2.5kV 3.2/3.3/3.4kV
Response time ≤25ns
Operating state indicator Green: normal; red: fault
Terminal wiring capacity Solid line≤35mm², soft line 2.5-25mm²,torque 3.5N.m
Optional accessories Available (YX remote signaling)SKU: EHLFI894
