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DO Signal (SIS) 24V DC 2A Safety Relay

Name: DO Signal (SIS) 24V DC 2A Safety Relay
Brand: Shanghai Chenzhu Instrument CO., LTD.
Price: 100 USD

CZSR8401 is suitable for the application of DO signal from SIS. Fail-safe technology and 3 redundancy technology are adopted inside, support separate control loops.

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Features & Advantages of DO Signal (SIS) 24V DC 2A Safety Relay

Seperate two channels safety relay working principle
Triple redundancy
Internal contact fuse protection

Parameter of DO Signal (SIS) 24V DC 2A Safety Relay

	CZSR8401-1A	CZSR8401-2A
Supply voltage	16V~35V DC	16V~35V DC
Current consumption	≤60mA (24V DC)	≤60mA (24V DC, for each channel)
Number of channels	1	2
Input current	≤60mA (24V DC)	≤60mA (24V DC)
Cable resistance	≤15Ω	≤15Ω
Input devices	Safety switches, Contact switches	Safety switches, Contact switches
Number of contacts	1NO	2NO (1NO for each channel)
Contact material	AgCdO+ 0.3 µm Au	AgCdO+ 0.3 µm Au
Contact fuse protection	2.5A (Internal)	2.5A (Internal)
Utilisation category	2A/230V AC; 2A/40V DC	2A/230V AC; 2A/40V DC
Switch-on delay	≤10ms	≤10ms
Delay-on de-energisation	≤10ms	≤10ms
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%
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