CHENZHU safety relays are suitable for the application of emergency Stop button and safety gate. Support 2 safety output contacts (N/O) and 2 auxiliary output contacts (N/C) or 3NO+1NC or 2NO+2NC or 2NO+1NC+3NO(t)+1NC(t).
Safety monitoring relays can be operated in single or double channel mode, manual or automatic reset, and with the function of monitoring the short circuit between channels.
Support single or dual-channel
Support instantaneous or delayed output
Support manual or automatic reset
Short circuit monitoring
CZSR8001-3A1B | CZSR8001-3A1B(M) | CZSR8002-2A2AT | CZSR8002-2A2AT(M) | CZSR8003-3A1B | CZSR8001-2A1B | CZSR8001-2A1B3AT1BT | |
Supply voltage | 24V DC/AC | 24V DC/AC | 24V DC | 24V DC | 100V~230V AC | 24V DC/AC | 24V DC/AC |
Voltage tolerance | 0.85~1.1 | 0.85~1.1 | 0.85~1.1 | 0.85~1.1 | 0.85~1.1 | 0.85~1.1 | |
Current consumption | ≤90mA (24V DC) / ≤240mA (24V AC) | ≤90mA (24V DC) / ≤240mA (24V AC) | ≤130mA (24V DC) | ≤130mA (24V DC) | ≤7 VA (220V AC) | ≤90mA (24V DC) / ≤240mA (24V DC) | ≤170mA (24V DC) / ≤400mA (24V AC) |
Input current | ≤50mA (24V DC) | ≤50mA (24V DC) | ≤50mA (24V DC) | ≤50mA (24V DC) | ≤50mA (220V AC) | ≤50mA (24V DC) | ≤50mA (24V DC) |
Cable resistance | ≤15Ω | ≤15Ω | ≤15Ω | ≤15Ω | ≤15Ω | ≤15Ω | ≤15Ω |
Input devices | E-stop buttons, Safety gates | E-stop buttons, Safety gates | E-stop buttons, Safety gates | E-stop buttons, Safety gates | E-stop buttons, Safety gates | E-stop buttons, Safety gates | E-stop buttons, Safety gates |
Number of contacts | 3NO+1NC | 3NO+1NC | 2NO+2NO(t) | 2NO+2NO(t) | 3NO+1NC | 2NO+2NC | 2NO+1NC+3NO(t)+1NC(t) |
Contact material | AgSnO2 + 0.2 µm Au | AgSnO2 + 0.2 µm Au | AgSnO2 | AgSnO2 | AgSnO2 + 0.2 µm Au | AgSnO2 + 0.2 μm Au | AgSnO2 + 0.2 μm Au |
External contact fuse protection | 10A gL/gG NEOZED (NO); 6A gL/gG NEOZED (NC) | 10A gL/gG NEOZED (NO); 6A gL/gG NEOZED (NC) | 10A gL/gG NEOZED (NO) | 10A gL/gG NEOZED (NO) | 10A gL/gG NEOZED (NO); 6A gL/gG NEOZED (NC) | 10A gL/gG NEOZED (N/O); 6A gL/gG NEOZED (N/C) | 10A gL/gG NEOZED (N/O); 6A gL/gG NEOZED (N/C) |
Mechanical endurance of contacts | ≥107 | ≥107 | ≥107 | ≥107 | ≥107 | ≥107 | ≥107 |
Utilisation category | In accordance with EN60947-5-1: AC-15, 5A/230V; DC-13, 5A/24V | In accordance with EN60947-5-1: AC-15, 5A/230V; DC-13, 5A/24V | In accordance with EN60947-5-1: AC-15, 3A/230V; DC-13, 3A/24V | In accordance with EN60947-5-1: AC-15, 3A/230V; DC-13, 3A/24V | In accordance with EN60947-5-1: AC-15, 5A/230V; DC-13, 5A/24V | In accordance with EN60947-5-1: AC-15, 5A/230V; DC-13, 5A/24V | In accordance with EN60947-5-1: AC-15, 5A/230V; DC-13, 5A/24V |
Switch-on delay | ≤300ms | ≤150ms | ≤300ms | ≤150ms | ≤300ms | ≤300ms | ≤300ms |
Delay-on de-energisation | ≤30ms | ≤30ms | ≤30ms (instantaneous); 0.1s~3s (delayed, factory set as 3s) | ≤30ms (instantaneous); 0.1s~3s (delayed, factory set as 3s) | ≤30ms | ≤30ms (instantaneous); - | ≤30ms (instantaneous) 0s, 0.5s, 1s, 2s, 3s, 5s(delayed, factory set as 5s) |
Recovery time | ≤100ms | ≤100ms | ≤100ms | ≤100ms | ≤500ms | ≤100ms | ≤100ms |
Supply short interruption | 20ms | 20ms | 20ms | 20ms | 20ms | 20ms | 20ms |
EMC | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 | EN60947, EN61000-6-2, EN61000-6-4 |
Vibration | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm | Vibration frequency: 10Hz~55Hz; Vibration amplitude: 0.35mm |
Ambient temperature | -20℃~+60℃ | -20℃~+60℃ | -20℃~+60℃ | -20℃~+60℃ | -20℃~+60℃ | -20℃~+60℃ | -20℃~+60℃ |
Storage temperature | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ | -40℃~+85℃ |
Relative humidity | 10%~90% | 10%~90% | 10%~90% | 10%~90% | 10%~90% | 10%~90% | 10%~90% |
Elevation | ≤2000m | ≤2000m | ≤2000m | ≤2000m | ≤2000m | ≤2000m | ≤2000m |
Overvoltage category | Ⅲ | Ⅲ | Ⅲ | Ⅲ | Ⅱ | Ⅱ | Ⅱ |
Pollution degree | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
Rated insulation voltage | 250V AC | 250V AC | 250V AC | 250V AC | 250V AC | 250V AC | 250V AC |
Rated impulse voltage | 6000V (1.2/50us) | 6000V (1.2/50us) | 6000V (1.2/50us) | 6000V (1.2/50us) | 6000V (1.2/50us) | 4000V (1.2/50us) | 4000V (1.2/50us) |
Dielectric strength | 1500V AC, 1min | 1500V AC, 1min | 1500V AC, 1min | 1500V AC, 1min | 1500V AC, 1min | 1500V AC, 1min | 1500V AC, 1min |
Clearance and creepage distance | In accordance with EN 60947-1 | In accordance with EN 60947-1 | In accordance with EN 60947-1 | In accordance with EN 60947-1 | In accordance with EN 60947-1 | In accordance with EN 60947-1 | In accordance with EN 60947-1 |
Safety integrity level | SIL3 | SIL3 | SIL3 | SIL3 | SIL3 | SIL3 | SIL3 |
Performance level | PLe | PLe | PLe | PLe | PLe | PLe | PLe |
Category | Cat.4 | Cat.4 | Cat.4 | Cat.4 | Cat.4 | Cat.4 | Cat.4 |