Euchner CET3-AP-CRA-AH-50F-SI-C2438-124594 124594

• Safety switch with guard locking and integrated evaluation electronics
• Locking force up to 6,500 N
• Connection to decentralized peripheral systems (e.g. ET200pro) via Y-distributor
• Short circuit monitoring
• Two safety outputs (semiconductor outputs)
• Up to category 4/PL e according to EN ISO 13849-1
• With two plug connectors M12
• Unicode
• Door monitoring output
• Indication of the door position by LED
• Escape release, 75 mm long
• Approach direction A (delivery state)

Approach direction Horizontal Can be adjusted in 90° steps Safety switchThe device may be operated only in conjunction with the actuator CET-A-.... Important: The actuator must be ordered separately. Each actuator is unique. The switch detects only taught-in actuators. Additional actuators can be taught in. Only the last actuator taught in is detected. Solenoid operating voltage

• DC 24 V +10% -15%

Guard locking type

CET3

Closed-circuit current principle, guard locking by spring force. Release by applying voltage to the guard locking solenoid. The door position is also monitored. The door monitoring output OUT D is set to HIGH as soon as the actuator is above the extended plunger (state: door closed, guard locking not active). The output OUT D remains set also with guard locking active.

LED function display

LED State	Status LED
LED DIA	Diagnostic LED
LED 1 rd	illuminates when the solenoid is energized
LED 2 gn	illuminates when door is closed

Additional connections

OUT D

Door monitoring output

Category according to EN ISO 13849-1Due to two redundantly designed semiconductor outputs (safety outputs) with internal monitoring suitable for:

• Category 4/PL e according to EN ISO 13849-1

Important: To achieve the stated category in accordance with EN ISO 13849-1, both safety outputs (OA and OB) must be evaluated. The category is dependent on the installation position of the safety switch: Escape releaseThis is used for manual release of guard locking from the danger zone without tools. Dimension drawing Block diagram Wiring diagram CET: Transponder-coded safety switch with guard locking CET3-AP: Mounting and Setup CET3-AP (closed-circuit current principle) CET3-AP: Mounting auxiliary release with key CET3-AP CET3-AP: Mounting emergency release safety swith CET3-AP Dimension drawingBlock diagramWiring diagram Technical dataApprovals Mechanical values and environment

Housing material
Safety switch housing	Die-cast aluminum
Slide	Stainless steel
Weight
Net	1 kg
Ambient temperature
At UB = 24V DC	-20 ... 55 °C
Degree of protection	IP67
Resilience to vibration	In acc. with EN IEC 60947-5-2
Mechanical life	1 x 106
Installation orientation	Any
Degree of freedom
Z	±4 mm
Y	±5 mm
X	±5 mm
Ready delay	1 s
Switching frequency	max.0,5 Hz
Connection	2 plug connectors M12, 5-pin
Approach speed	20 m/min
Guard locking principle	Closed-circuit current principle
Locking force Fmax	6500 N
Locking force FZh	5000 N

Electrical connection ratings

Operating voltage DC
UB	24 V DC -15% ... 15% Reverse polarity protected, regulated, residual ripple < 5%, PELV
LED	24 V DC -15% ... 10%
Current consumption
ICM	480 mA
IB	80 mA
Utilization category according to EN 60947-5-2
DC-13	24V 200mA
Solenoid operating voltage DC
UCM	24 V DC -15% ... +10% Reverse polarity protected, regulated, residual ripple < 5%, PELV
Fusing
External (operating voltage UB)	0,25 ... 8 A
External (solenoid operating voltage UCM)	0,5 ... 8 A
Power consumption
Solenoid	max.12 W
EMC protection requirements	In acc. with EN IEC 60947-5-3
Solenoid duty cycle	100 %
Degree of contamination (external, according to EN 60947-1)	3
Connecting cable	30V DC, 2A
Safety class
EN IEC 61140	III
Switching load
According to UL	24V DC, class 2
	Monitoring output OUT D
Type of output	p-switching, short circuit-proof
Output voltage
OUT D	0,8xUB ... UB V DC
Output current
OUT D	1 ... 50 mA
Switching delay from state change	max.700 ms
	Safety outputs OA/OB
Type of output	2 semiconductor outputs, p-switching, short circuit-proof
Switching current
Per safety output OA / OB	1 ... 200 mA
Output voltage
Low U(OA) / U(OB)	0 ... 1 V DC
High U(OA) / U(OB)	UB-1,5V ... UB V DC
Off-state current Ir	max.0,25 mA
Risk time according to EN 60947-5-3
Single device	max.400 ms
Switch-on time	400 ms
Discrepancy time
Both safety outputs	max.10 ms

Work area

Repeat accuracy R

10 %

Other

For the approval according to UL the following applies

Operation only with UL class 2 power supply, or equivalent measures see operating instructions

Reliability values according to EN ISO 13849-1

Performance Level	PL e
Category
Head upward	3
Head downward or horizontal	4
PFHD
Head upward	4.29 x 10-8
Head downward or horizontal	3.1 x 10-9
Mission time	20 y

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