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Safety Mat Relay
Safety relay modules provide a high level of fail-safe operation for critical processes and protection. This safety mat and multi-function controllers safety relay offer 2 or 4-wire safety mats/edges. Automatic reset and monitored manual reset are available.

The programmable safety relays support 3 safety output contacts (N/O) and 1 auxiliary output contacts (N/C) or 2NO+1NC+1SO or 2NO(t)+1NC(t).

Features & Advantages of Chenzhu Safety Mat Safety Relay

2-wire safety mats/edge

4-wire safety mats/edge

Automatic reset

Monitored manual reset

Parameter of Safety Mat Safety Relay
CZSR8301-3A1BCZSR8301-3A1B(M)CZSR8302-3A1BCZSR8303-3A1B
Supply voltage24V DC/AC24V DC/AC24V DC/AC100V~230V AC
Voltage tolerance0.85~1.10.85~1.10.85~1.1-
Current consumption≤90mA (24V DC) / ≤240mA (24V AC)≤90mA (24V DC) / ≤240mA (24V AC)≤90mA (24V DC) / ≤240mA (24V AC)≤7 VA (220V AC)
Input current≤50mA (24V DC)≤50mA (24V DC)≤10mA (24V DC)≤10mA (220V AC)
Cable resistance≤15Ω≤15Ω≤15Ω≤15Ω
Input devicesSafety mats (4-wire)Safety mats (4-wire)Safety mats (4-wire)Safety mats, safety edges (2 or 4-wire)
Number of contacts3NO+1NC3NO+1NC3NO+1NC1.0KΩ ~ 10KΩ
Contact materialAgSnO2 + 0.2 µm AuAgSnO2 + 0.2 µm AuAgSnO2 + 0.2 µm AuAgSnO2 + 0.2 µm Au
External contact fuse protection10A gL/gG NEOZED (NO);
6A gL/gG NEOZED (NC)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);
6A gL/gG NEOZED (NC)
Mechanical endurance of contacts≥107≥107≥107≥107
Utilisation categoryIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24VIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24VIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24VIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24V
Switch-on delay≤300ms≤150ms≤300ms≤300ms
Delay-on de-energisation≤30ms≤30ms≤30ms≤30ms
Recovery time≤300ms≤300ms≤100ms≤500ms
Supply short interruption20ms20ms20ms20ms
EMCEN60947, EN61000-6-2, EN61000-6-4EN60947, EN61000-6-2, EN61000-6-4EN60947, EN61000-6-2, EN61000-6-4EN60947, EN61000-6-2, EN61000-6-4
VibrationVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mmVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mmVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mmVibration frequency: 10Hz~55Hz;
Vibration amplitude: 0.35mm
Ambient temperature-20℃~+60℃-20℃~+60℃-20℃~+60℃-20℃~+60℃
Storage temperature-40℃~+85℃-40℃~+85℃-40℃~+85℃-40℃~+85℃
Relative humidity10%~90%10%~90%10%~90%10%~90%
Elevation≤2000m≤2000m≤2000m≤2000m
Overvoltage categoryⅢⅢⅢⅢ
Pollution degree2222
Rated insulation voltage250V AC250V AC250V AC250V AC
Rated impulse voltage6000V (1.2/50us)6000V (1.2/50us)6000V (1.2/50us)6000V (1.2/50us)
Dielectric strength1500V AC, 1min1500V AC, 1min1500V AC, 1min1500V AC, 1min
Clearance and creepage distanceIn accordance with EN 60947-1In accordance with EN 60947-1In accordance with EN 60947-1In accordance with EN 60947-1
Safety integrity levelSIL3SIL3SIL3SIL3
Performance levelPLePLePLePLe
CategoryCat.4Cat.4Cat.4Cat.4

CZSR8302-2A1B1SCZSR8302-2AT1BT1S
Supply voltage24V DC/AC24V DC/AC
Voltage tolerance0.85~1.10.85~1.1
Current consumption≤120mA (24V DC), ≤300mA (24V AC)≤120mA (24V DC), ≤300mA (24V AC)
Input current≤10mA (24V DC)≤10mA (24V DC)
Cable resistance≤15Ω≤15Ω
Input devicesSafety mats, safety edges (2 or 4-wire)Safety switches, Contact switches
Terminal resistance1.0KΩ ~ 10KΩ1.0KΩ ~ 10KΩ
Number of contacts2NO+1NC+1SO2NO(t)+1NC(t)
Contact materialAgSnO2 + 0.2 µm AuAgSnO2 + 0.2 µm Au
External contact fuse protection10A gL/gG NEOZED (NO);
6A gL/gG NEOZED (NC)10A gL/gG NEOZED (NO);
6A gL/gG NEOZED (NC)
Mechanical endurance of contacts≥107≥107
Utilisation categoryIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24VIn accordance with EN60947-5-1:
AC-15, 5A/230V; DC-13, 5A/24V
Semiconductor output dataNumber of semi-output：1SO
Driving ability：20mA/24V DCNumber of semi-output：1SO
Driving ability：20mA/24V DC
Switch-on delay≤300ms≤300ms
Delay-on de-energisation≤30ms(instantaneous)≤30ms (instantaneous)
0s, 0.5s, 1s, 2s, 3s, 5s(Deleted factory set as 5s)
Recovery time≤100ms≤100ms
Supply short interruption20ms20ms
EMCEN60947, EN61000-6-2, EN61000-6-4EN60947, EN61000-6-2, EN61000-6-4
VibrationVibration frequency: 10Hz～55Hz;
Vibration amplitude: 0.35mmVibration frequency: 10Hz～55Hz;
Vibration amplitude: 0.35mm
Ambient temperature-20℃~+60℃-20℃~+60℃
Storage temperature-40℃~+85℃-40℃~+85℃
Relative humidity10%~90%10%~90%
Elevation≤2000m≤2000m
Overvoltage categoryⅢⅢ
Pollution degree22
Rated insulation voltage250V AC250V AC
Rated impulse voltage6000V (1.2/50us)6000V (1.2/50us)
Dielectric strength1500V AC, 1min1500V AC, 1min
Clearance and creepage distanceIn accordance with EN 60947-1In accordance with EN 60947-1
Safety integrity levelSIL3SIL3
Performance levelPLePLe
CategoryCat.4Cat.4

CHENZHU strives to provide high-quality products and services to meet the expectations of our customers and interested parties by delivering outstanding performance. We have special talents to research and develop automation safety system. Indeed, automation and safety are our interface products' main characters.