Product Name | CZSR8401-2A DO signal (SIS) input Safety Relay |
Number of channels | 2 channels |
Supply voltage(Ue) | 24V DC |
Input signal | DO signal (SIS) |
Output signal | Relay: 2NO |
Ambient temperature | -20℃~+60℃ |
Certifications |
TUV SIL3; CE |
Application | DO Signal (SIS) |
General features | DO Signal (SIS); 24V DC; 2NO; 2A |
Supply Voltage (Ue) | 16V~35V DC |
Current consumption | ≤60mA (24V DC) |
Power supply mode | Independent power supply |
Power connecting mode | Terminal |
Input device | DO Signal (SIS) |
Input current | ≤60mA |
Max. overall cable resistance | ≤15Ω |
Output signal | Relay contact |
Number of contacts | 2 |
Contact type | 2NO |
Contact material | AgCdO + 0.3μm Au |
Contact fuse protection | 2.5A (intenal) |
Utilisation category | 2A/230V AC; 2A/40V DC |
Switch-on delay | ≤10ms |
Delay-on de-energisation | ≤10ms |
Recovery time | ≤100ms |
Supply interruption before de-energisation | 20ms |
Ambient temperature | -20℃~+60℃ |
Storage temperature | -40℃~+80℃ |
Relative humidity | 10%~90% |
Vibration | Frequency: 10Hz~55Hz; Amplitude: 0.35mm |
Overvoltage category | Ⅲ |
Pollution degree | 2 |
Rated insulation voltage | 250V AC |
Rated impulse withstand voltage | Input~Output: 6000V (1.2/50us) |
Insulation strength | 1500V AC, 1min |
Insulation resistance | Input~Output: ≥100MΩ |
Airgap creepage | In accordance with EN 60947-1 |
Depth | 114.5mm |
Height | 99.0mm |
Width | 22.5mm |
Material | PA |
Protection type | IP20 |
Flammability rating | UL94/V0 |
Colour | Yellow/Grey |
Approvals | SIL (TUV) |
Functional safety | SIL3, in accordance with IEC 61508 |
CE | LVD directive |
Type of equipment | Type A |
Safety integrity level (SIL) | SIL 3 |
Mode of operation (Low Demand) | IEC 61508 - Low Demand |
Safe failure fraction (Low Demand) (SFF) | ≥99% |
Proof test interval (Low Demand) (PTI) | 20 years |
λS (Low Demand) | 2.12E-07 |
λDU (Low Demand) | 0.00 |
λDD (Low Demand) | 0.00 |
Average probability of dangerous failure on demand (Low Demand) (PFDAVG) | 1.00E-05 |
Diagnostic coverage (Low Demand) (DC) | ≥99% |
Mode of operation (High Demand) | IEC 61508 - High Demand |
Safe failure fraction (High Demand) (SFF) | ≥99% |
Proof test interval (High Demand) (PTI) | 20 years |
λS (High Demand) | 2.12E-07 |
λDU (High Demand) | 0.00 |
λDD (High Demand) | 0.00 |
Average probability of dangerous failure on demand (High Demand) (PFDAVG) | 1.00E-09 |
Diagnostic coverage (High Demand) (DC) | ≥99% |
Electromagnetic compatibility | In accordance with IEC 61326-1(GB/T 18268), IEC 61326-3-1 |
Electrical fast transient/burst immunity | In accordance with IEC 61326-3-1 |
Surge immunity | In accordance with IEC 61326-3-1 |
Radiated,radio-frequency,electromagnetic field immunity | In accordance with IEC 61326-3-1 |
Electrostatic discharge immunity | In accordance with IEC 61326-3-1 |
Immunity to conducted disturbances, induced by radio-frequency fields | In accordance with IEC 61326-3-1 |
Immunity to conducted, common mode disturbances in the frequency range 0 Hz to 150 kHz | In accordance with IEC 61326-3-1 |
Conductor cross section solid range | 0.5~2.5mm² |
Conductor cross section flexible range | 0.5~2.5mm² |
Min. conductor cross section (AWG) | 24 |
Max. conductor cross section (AWG) | 12 |
Stripping length | 8mm |
Screw thread | M3 |
Connection method | Screw terminals |
Min. tightening torque | 0.5Nm |
Max. tightening torque | 0.6Nm |
Mounting type | DIN35mm |