IEC Electrical
| NominalAC Volage(50/60Hz) | 60V | 120V | 230V | 230V | ||
| Maximum Continuous Operating Voltage(AC) | (L-N) | Uc | 75V | 150V | 275V | 320V |
| (N-PE) | Uc | 255V | 255V | 255V | 255V | |
| Nomina Discharge Current(8/20μs) | (L-N)/(N-PE) | In | 20 kA/25KA | |||
| Maximum Discharge Current(8/20μs) | (L-N)/(N-PE) | lmax | 50kA/50KA | |||
| Impulse Discharge Current(10/350 μs) | (L-N)/(N-PE) | limp | 12.5 kA/25KA | |||
| Specific Energy | (L-N)/(N-PE) | W/R | 39kJ/Ω /625KJ/Ω | |||
| Charge | (L-N)/(N-PE) | Q | 6As/12.5As | |||
| Voltage Protection Level | (L-N)/(N-PE) | Up | 700V/1500V 1000V/1500V 1500 V/1500V 1600V/1500V/ | |||
| Follow Current Interruptt Rating | (N-PE) | I | 100A RMS | |||
| Response Time | (L-N)/(N-PE) | tA | <25 ns/<100ns | |||
| Back-Up Fuse(max) | 315A/250A gG | |||||
| Short-Circuit Current Rating(AC) | (L-N) | lscCR | 25kA/50 kA | |||
| TOV Withstand 5s | (L-N) | UT | 114V | 180V | 335V | 335V |
| TOV 120min | (L-N) | UT | 114V | 230V | 440V | 440V |
| Mode | Withstand | Safe Fail | Safe Fail | Safe Fail | ||
| TOV Withstand 200s | (N-PE) | UT | 1200V | |||
| Number of Ports | 1 | |||||
UL Electrical
| Maximum Continuous Operating Voltage(AC | (L-N)/(N-PE) | MCOV | 75V/255V | 150V/255V | 275V/255V | 320V/255V |
| Voltage Protection Rating | (L-N)/(N-PE) | VPR | 330V/1200V | 600V/1200V | 900V/1200V | 1200V/1200V |
| Nominal Discharge Current(8/20μs) | (L-N)/(-PE) | In | 20KA/20KA | 20KA/20KA | 20KA/20KA | 20KA/20KA |
| Short-Circuit Current Rating(AC) | (L-N) | SCCR | 200KA | 150KA | 150KA | 150KA |
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 |
| BY1-12.5-XXX/1+1 | 1207513 | 1215013 | 1227513 | 1232013 |
| BY1-12.5-XXX/1S+1(with remote contacts) | 1207514 | 1215014 | 1227514 | 1232014 |
| BY1-12.5-XXX/0(spare modules) | 1207501 | 1215001 | 1227501 | 1232001 |
| BY1-12.5-NPE/0(spare modules) | 1205501 | 1255001 | 1225501 | 1225501 |
Legend
L Line
N Neutral
PE Protective Earth
S Signalling Contacts Optional
| BY1-12.5-XXX/1(S)+1 | 150 | 275 | 320 | 385 |
| Single Unit DIN 43880 Dimension | 1 CTN | |||
| Packaging Dimensions(H×W×L) | [200×230×330mm] | |||
| Minimum Order Quantity | 32 Units | |||
| BY1-12.5-XXX/0 | 150 | 275 | 320 | 385 |
| BY1-12.5-NPE/0 | 25 | |||
| Single Unit DIN 43880 Dimension | 1 CTN | |||
| Packaging Dimensions(H×W×L) | [200×230×330mm] | |||
| Minimum Order Quantity | 64 Units | |||