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/3 | 1207531 | 1215031 | 1227531 | 1232031 | 1238531 |
| BY1-12.5-XXX/3S(with remote contacts) | 1207532 | 1215032 | 1227532 | 1232032 | 1238532 |
| 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/3(S) |
150 |
275 |
320 |
385 |
440 |
| Single Unit DIN 43880 Dimension |
1 CTN |
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| 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 |
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