DO Signal (SIS) | 24V DC | 1NO | 2A
CZSR8401-1A  DO Signal (SIS) | 24V DC | 1NO | 2A
CZSR8401-1A is suitable for the application of DO signal from SIS. Fail-safe technology and 3 redundancy technology are adopted inside.
Input Device:
DO Signal (SIS)
Supply Voltage:
24V DC
Number of Contacts:
1NO
Switching Capacity:
2A
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CZSR8401-1A
Product details
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Product Application
General Features
Power Supply
Input
Output
Time
Operating Conditions
Insulation
Dimensions
Housing
Product Approvals
Standard / Specification
Safety-related Parameters (SIL)
EMC
Connection
Installation

DO Signal (SIS) | 24V DC | 1NO | 2A


Product Name  CZSR8401-1A DO signal (SIS) input Safety Relay
Number of channels  Single channel
Supply voltage(Ue)  24V DC
Input signal  DO signal (SIS)
Output signal  Relay: 1NO
Ambient temperature  -20℃~+60℃
Certifications
 TUV SIL3; CE


DO Signal (SIS) | 24V DC | 1NO | 2A

DO Signal (SIS) | 24V DC | 1NO | 2A

DO Signal (SIS) | 24V DC | 1NO | 2A


DO Signal (SIS) | 24V DC | 1NO | 2A


Technichal Data
Product Application
Application DO Signal (SIS)
General Features
General features DO Signal (SIS); 24V DC; 1NO; 2A
Power Supply
Supply Voltage (Ue) 16V~35V DC
Current consumption ≤60mA (24V DC)
Power supply mode Independent power supply
Power connecting mode Terminal
Input
Input device DO Signal (SIS)
Input current ≤60mA
Max. overall cable resistance ≤15Ω
Output
Output signal Relay contact
Number of contacts 1
Contact type 1NO
Contact material AgCdO + 0.3μm Au
Contact fuse protection 2.5A (intenal)
Switching capacity 2A/230V AC; 2A/40V DC
Time
Switch-on delay ≤10ms
Delay-on de-energisation ≤10ms
Recovery time ≤100ms
Supply interruption before de-energisation 20ms
Operating Conditions
Ambient temperature -20℃~+60℃
Storage temperature -40℃~+80℃
Relative humidity 10%~90%
Vibration Frequency: 10Hz~55Hz; Amplitude: 0.35mm
Insulation
Overvoltage category
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
Dimensions
Depth 114.5mm
Height 99.0mm
Width 22.5mm
Housing
Material PA
Protection type IP20
Flammability rating UL94/V0
Colour Yellow/Grey
Product Approvals
Approvals SIL (TUV); CE
Standard / Specification
Functional safety SIL3, in accordance with IEC 61508
CE LVD directive
Safety-related Parameters (SIL)
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%
EMC
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
Connection
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
Installation
Mounting type DIN35mm
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