SSR21 Contactless Safety Door Switch Supplier

SSR21 Contactless Safety Door Switch

Brand: ESPE

Model: SSR21 series

Product Feature:

1. Self-diagnose and cross-diagnose: Periodic dual mutual-diagnose to improve safety;

2. Independent redundant dual output: In case potential safety hazards caused by single loop failure.

Technical Parameter

Parameter of safety door switch
Standard	ISO13849-1 IEC/EN60947-5-3
Power supply	DC24V±15%
Capacity	<1W
Response time	50ms
Output current	150mA
Safety output(OSSD)	PNP or NPN (transistor output)Load current below 200mA, residual voltage below 1V(except voltage drop caused by cable extension), leakage current below 1mA
Frequency	1Hz
Protective circuit	Overvoltage protection, power supply reverse polarity protection, and overcurrent protection
Encoding type	Universal encoding, unique encoding
Detection range:	Horizontal: 0-10mm, vertical: 0-5mm
Protection rate	IP65
Housing setectional size	36*23mm
Vibration	Frequency 10 Hz - 55 Hz, amplitude 0.35±0.05mm, 20 times each at X, Y, Z directions
Ambient working temperature	-10°C-55°C (no freezing)
Storage temperature	-30°C-70°C (no freezing)
Working humity	When temperature 20°C, humidity max 85%

Product Size

SSR21 Contactless Safety Door Switch

Model selection (eg.: SSR21-00N-1)

SSR21 Contactless Safety Door Switch

Explanation of standard type and advanced type
	Safety output	Cascade function
Basic mode	●
Standard mode	●	●

Indicator status

Switch Status	Indicator
Output error	Red 1Hz blink
Voltage error	Red double blink
Unique code unmatched	Red & green light blink alternately at 4Hz
No error, no RFID, no output	Red ON
No error, with RFID, no cascade	Green 1Hz blink
No error, with RFID, cascade signal error	Green double blink
No error, normal output	Green ON

Timing Chart


NPN timing chart	PNP timing chart

Simply mode

Standard mode