Datasheet

Electronic monitoring relays PMDsrange
Pilz GmbH & Co. KG, Felix-Wankel-Straße 2, 73760 Ostfildern, Germany
Telephone: [phone], Telefax: [phone], E-Mail: [e-mail]
Three-phase voltage monitoring
S3UM
NSG-D-2-030-2009-09
Application example
Safety device protects against over-
voltage and undervoltage, operating in
normally energised mode
` 1: Not required on three phase sup-
plies
F1
U
N
1L2
0V
L1
L2
L3
1L1
U
N
K2
H1
1
N
Reset
14
L1 L2
11 12
Y1 Y2
Y3
A1
A2
N
L3
Technical details S3UM
Electrical data
Supply voltage U
B
AC: 120, 230 V
DC: 24 V
Voltage tolerance U
B
85 ... 110 %
Frequency range U
B
50 ... 60 Hz
Residual ripple DC 160 %
Power consumption U
B
AC: 2 VA
DC: 1.5 W
Duty cycle 100 %
Utilisation category in accordance with
EN 60947-4-1
EN 60947-5-1
AC1: 240 V/0.1 ... 5 A/1200 VA
DC1: 24 V/0.1 ... 5 A/120 W
AC15: 230 V/2 A; DC13: 24 V/1.5 A
Output contacts 1 auxiliary contact (C/O)
Contact material AgCdO, 3 µm gold plating for
low load range 1-50 V/1-100 mA
Contact fuse protection to EN 60947-5-1 Max. 6 A quick or max. 4 A slow
Measuring circuit
Measuring voltage U
M
(3AC) 42, 100/110, 230, 400/440, 415/460 ,
440/480, 500/550 V, selectable
Voltage tolerance U
M
0 ... 125 %