IEC Electrical
NominalAC Voltage(50/60Hz) | UO/Un | 120V | 230V | 230V | 230V | 440V |
Maximum Continuous Operating Voltage(AC) | Uc | 150V | 275V | 320V | 385V | 440V |
Nominal Discharge Current(8/20μs) | In | 20KA | 20KA | 20KA | 10KA | 10KA |
Maximum Discharge Current(8/20μs) | Imax | 50KA | 50KA | 50KA | 50KA | 50KA |
Impulse Discharge Current(10/350μs) | Iimp | 12.5KA | 12.5KA | 12.5KA | 10KA | 10KA |
Specific Energy | W/R | 39kJ/Ω | 39kJ/Ω | 39kJ/Ω | 25kJ/Ω | 25kJ/Ω |
Charge | Q | 6.25As | 6.25As | 6.25As | 5As | 5As |
Voltage Protection Level | Up | 1000V | 1500V | 1600V | 1800V | 2000V |
Response Time | tA | <25ns | ||||
Back-Up Fuse(max) | 315A/250A gG | |||||
Short-Circuit Current Rating(AC) | ISCCR | 25KA/50KA | ||||
TOV Withstand 5s | UT | 180V | 335V | 335V | 335V | 580V |
TOV 120min | UT | 230V | 440V | 440V | 440V | 765V |
Mode | Safe Fail | Safe Fail | Safe Fail | Safe Fail | Safe Fail | |
Number of Ports | 1 |
UL Electrical
Maximum Continuous Operating Voltage(AC | MCOV | 150V | 275V | 320V | 385V | 440V |
Voltage Protection Rating | VPR | 600V | 900V | 1200V | 1350V | 1500V |
Nominal Discharge Current(8/20μs) | I | 20KA | 20KA | 20KA | 20KA | 20KA |
Short-Circuit Current Rating(AC) | SCCR | 200KA | 150KA | 150KA | 150KA | 200KA |
Mechanical &Environmental
Operating Temperature Range | Ta | -40 F to+158F[-40℃ to+70℃I |
Permissible Operating Humidity | RH | 5%…95% |
Atmospheric pressure and altitude | 80k Pa...106k Pa/-500m...2000m | |
Terminal Screw Torque | Mmax | 39.9Ibf-in [4.5 Nm] |
Conductor Cross Section(max) | 2AWG (Solid,Stranded)/4AWG(Flexible) | |
35mm²(Solid,Stranded)/25 mm²(Flexible) | ||
Mounting | 35 mm DIN Rail.EN 60715 | |
Degree of Protection | IP 20(built-in) | |
Housing Material | Thermoplastic:Extinguishing Degree UL94V-0 | |
Thermal Protection | Yes | |
Operating State/Fault Indication | Green ok/Red defect | |
Remote Contacts(RC) | Optional | |
RC Switching Capacity | AC:250V /0.5 ABC:250V/0.1 A:125V/0.2 A;75V/0.5A | |
RC Conductor Cross Section(max) | 16AWG(Solid)/1.5mm²(Sold) |
Order Information
Order Code | 75 | 150 | 275 | 320 | 385 |
BY1-12.5-XXX/4 | 1207541 | 1215041 | 1227541 | 1232041 | 1238541 |
BY1-12.5-XXX/4S(with remote contacts) | 1207542 | 1215042 | 1227542 | 1232042 | 1238542 |
BY1-12.5-XXX/0(spare modules) | 1207501 | 1215001 | 1227501 | 1232001 | 1238501 |
Legend
L Line
N Neutral
PE Protective Earth
S Signalling Contacts Optional
BY1-12.5-XXX/4(S) | 150 | 275 | 320 | 385 | 440 |
Single Unit DIN 43880 Dimension | 1 CTN | ||||
Packaging Dimensions(H×W×L) | [200×230×330mm] | ||||
Minimum Order Quantity | 16 Units |
BY1-12.5-XXX/0 | 150 | 275 | 320 | 385 | 440 |
Single Unit DIN 43880 Dimension | 1 CTN | ||||
Packaging Dimensions(H×W×L) | [200×230×330mm] | ||||
Minimum Order Quantity | 64 Units |