Extension Module Safetu Relay

Name: Extension Module Safetu Relay
Brand: Shanghai Chenzhu Instrument CO., LTD.
Price: 100 USD

Additional contacts for Emergency-stop relay modules and security gate monitors are provided by safety relay extension modules. These safety relay available for fault diagnosis contact.

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Features & Advantages of Extension Module Safety Relay

Fault diagnosis contact
Separate two-channel safety relay system
4NO+2NC/8NO+4NC

Parameter of Extension Module Safety Relay

	CZSR8801-4A2B	CZSR8801-8A4B
Supply voltage	20V~30V DC	20V~30V DC
Current consumption	≤50mA (24V DC)	≤50mA (24V DC, for each channel)
Number of channels	1	2
Input current	≤50mA (24V DC)	≤50mA (24V DC)
Cable resistance	≤15Ω	≤15Ω
Input devices	Safety switches, Contact switches	Safety switches, Contact switches
Number of contacts	4NO+2NC	8NO+4NC (4NO+2NC for each channel)
Contact material	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)
Mechanical endurance of contacts	≥107	≥107
Utilization 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
Switch-on delay	≤30ms	≤30ms
Delay-on de-energisation	≤20ms	≤20ms
Recovery time	≤100ms	≤100ms
Supply short interruption	20ms	20ms
EMC	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
Ambient temperature	-20℃~+60℃	-20℃~+60℃
Storage temperature	-40℃~+85℃	-40℃~+85℃
Relative humidity	10%~90%	10%~90%
Elevation	≤2000m	≤2000m
Overvoltage category	Ⅲ	Ⅲ
Pollution degree	2	2
Rated insulation voltage	250V AC	250V AC
Rated impulse voltage	6000V (1.2/50us)	6000V (1.2/50us)
Dielectric strength	1500V AC, 1min	1500V AC, 1min
Clearance and creepage distance	In accordance with EN 60947-1	In accordance with EN 60947-1
Safety integrity level	SIL3	SIL3
Performance level	PLe	PLe
Category	Cat.4	Cat.4