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R1.188.1810.0

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WIELAND DEVICE FOR MONITORING OF SAFETY-RELATED CIRCUITS SNA4043K-A AC/DC 24V (A)

Base unit also for elevators EN 81-20/50 and heaters EN50156-1 single- channel or two-channel control, automatic reset without reset switch monitoring, cross circuit monitoring, 3 enabling current paths, 1 signalling output, AC/DC 24 V 50-60Hz, screw-terminals plug gable

Description

Connection Data

Detachable clamps Yes
Type of electric connection Screw connection

Application

Model Basic device
Suitable for monitoring of magnetic switches Yes
Suitable for monitoring of proximity switches Yes
Suitable for monitoring of emergency-stop circuits Yes
Suitable for monitoring of optoelectronic protection equipment Yes
Suitable for monitoring of position switches Yes

Output Circuit

Enabling paths Normally open contact
Signaling paths Opener
Contact material Ag-alloy, gold-plated
Rated switching voltage, enabling paths AC 230 V

Control Circuit

Nominal output voltage DC 24 V
Input current (safety circuit / reset circuit) 25 mA
max. ​peak current (safety circuit / reset circuit) 100 mA
Response time tA1 350 ms
Response time tA2 350 ms
Min. switch-on time 100 ms
Recovery time tW 750 ms
Release time tR 10 ms
Permissable test pulse time tTP < 1 ms
max. ​resistivity, per channel ≤ (5 + (1,176 x UB / UN – 1) x 100) Ω
Type of switch function of the inputs Normally open contact
Evaluation inputs 2-channel

Supply Circuit

Nominal voltage UN AC/DC 24 V
Rated consumption AC 2.9 VA
Rated consumption DC 1.6 W
Rated frequency min. 50 Hz
Rated frequency max. 60 Hz
Electrical isolation supply circuit – control circuit No
Min. rated control supply voltage at AC 50 Hz 20.4 V
Max. rated AC voltage for controls, 50 Hz 26.4 V
Min. rated DC voltage for controls 20.4 V
Max. rated DC voltage for controls 26.4 V
Min. rated control supply voltage at DC 20.4 V
Rated control supply voltage at AC 60HZ 20.4 V
Rated control supply voltage at AC 50HZ 26.4 V

Additional information

Weight 0.21 kg

Download

DataSheet – WIELAND DEVICE FOR MONITORING OF SAFETY-RELATED CIRCUITS SNA4043K-A AC/DC 24V (A)

Catalog – Universal Safety Relay Series 4000

Swift Automation Sdn Bhd | R1.188.1810.0