Product Name | CZSR8901-2A Multi-function configurable input Safety Relay |
Number of channels | 3 Dual channel inputs / 2 outputs |
Supply voltage(Ue) | 24V DC |
Input signal | Switch: E-Stop button, safety gate, light curtain, two-hand push buttons, safetymat, magnetic switch, etc. |
Output signal | Relay: 2NO |
Ambient temperature | -20℃~+60℃ |
Certifications |
TUV SIL3; CE; PLe; Cat.4 |
Application | Multi-function configurable |
General features | Multi-function configurable; 24V DC; 2NO; Auto/Monitored/Manual Reset |
Supply Voltage (Ue) | 19.2V~30V DC |
Current consumption | ≤100mA (24V DC); ≤180mA (24V AC) |
Power protection | Reverse protection |
Power supply mode | Independent power supply |
Power connecting mode | Terminal |
Input device | E-Stop button, safety gate, light curtain, two-hand push buttons, safetymat, magnetic switch, etc. |
Input current | ≤10mA |
Max. overall cable resistance | ≤15Ω |
Output signal | Relay contact |
Number of contacts | 2 |
Contact type | 2NO |
Contact material | AgSnO₂ |
Contact fuse protection | 10A fast/6A slow |
Utilisation category | AC-15,5A/230V; DC-13,5A/24V |
Switch-on delay | ≤100ms |
Delay-on de-energisation | ≤30ms |
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); Between outputs: 4000V (1.2/50us) |
Insulation strength | 1500V AC, 1min |
Insulation resistance | Input~Output: ≥100MΩ; Between Outputs: ≥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); CE |
Functional safety | SIL3, in accordance with IEC 61508 |
CE | MD directive; 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% |
Diagnostic coverage (Low Demand) (DC) | ≥99% |
Mode of operation (High Demand) | IEC 61508 - High Demand |
Safe failure fraction (High Demand) (SFF) | ≥99% |
Diagnostic coverage (High Demand) (DC) | ≥99% |
Performance level (PL) | PLe |
Category (Cat.) | Cat.4 |
Stop category | 0 |
Mission time (TM) | 20 years |
Diagnostic covery (DCavg) | ≥99% |
Mean time to repair (MTTR) | 0 |
Mean time to dangerous failure (MTTFd) | 662 years |
Number of cycles until 10% of the components fail dangerously (B10d) | 550000(5A) |
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 |