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Siemens 3UG5642-2CW31

Digital monitoring relay current, active current, voltage

MPN: 3UG5642-2CW31

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What is the Siemens 3UG5642-2CW31?

digital monitoring relay current, active current, voltage, cos-phi and performance monitoring up to 690 V AC/DC up to 15 A supply voltage 24 ... 240 V AC/DC, 50 .. 60 Hz ON delay and tripping delay 0.1..999.9 s 2 changeover contacts spring-loaded terminal SIL 1/PL c

Specifications

General

product brand name	SIRIUS
product designation	Network monitoring relay with digital setting
design of the product	monitoring of current, active current, voltage, power factor and power, externally powered with auxiliary voltage for Safety applications
product type designation	3UG5

General technical data

product function	digitally adjustable monitoring relay for electrical variables
design of the display	LCD
power loss [W] maximum	2 W
power loss [V∙A] maximum	5 V·A
insulation voltage for overvoltage category III according to IEC 60664 — with degree of pollution 2 rated value	690 V
insulation voltage for overvoltage category III according to IEC 60664 — with degree of pollution 3 rated value	690 V
degree of pollution	3
surge voltage resistance rated value	6 kV
shock resistance according to IEC 60068-2-27	sinusoidal half-wave 15 g / 11 ms
vibration resistance according to IEC 60068-2-6	f = 4 ... 5,81 Hz, dmax = 15 mm; f = 5,81 ... 500 Hz, Amax = 20 m/s²; 10 cycles
mechanical service life (operating cycles) typical	10 000 000
electrical endurance (operating cycles) at AC-15 at 230 V typical	100 000
thermal current of the switching element with contacts maximum	5 A
reference code according to IEC 81346-2	K
relative repeat accuracy	1 %
Substance Prohibitance (day/month/year)	06/01/2023
SVHC substance name	Lead CAS-No. 7439-92-1 Lead monoxide (lead oxide) CAS-No. 1317-36-8 2-methyl-1-(4-methylthiophenyl)-2-morpholinopropan-1-one CAS-No. 71868-10-5 Melamine CAS-No. 108-78-1 6,6'-di-tert-butyl-2,2'-methylenedi-p-cresol CAS-No. 119-47-1
Net Weight	0.152 kg

Product Function

product function — phase sequence recognition	No
product function — phase failure detection	No
product function — asymmetry detection	No
product function — voltage monitoring	Yes
product function — current monitoring	Yes
product function — overcurrent detection 1 phase	Yes
product function — undercurrent detection 1 phase	Yes
product function — adjustable open/closed-circuit current principle	Yes
product function — auto-RESET	Yes
product function — manual RESET	Yes
suitability for use safety-related circuits	Yes

Control circuit/ Control

type of voltage of the control supply voltage	AC/DC
control supply voltage rated value	24 ... 240 V
control supply voltage at AC — at 50 Hz rated value	24 ... 240 V
control supply voltage at AC — at 60 Hz rated value	24 ... 240 V
control supply voltage at DC rated value	24 ... 240 V
supply voltage frequency for auxiliary and control circuit rated value	50 ... 60 Hz
operating range factor control supply voltage rated value at DC — initial value	0.85
operating range factor control supply voltage rated value at DC — full-scale value	1.1
operating range factor control supply voltage rated value at AC at 50 Hz — initial value	0.85
operating range factor control supply voltage rated value at AC at 50 Hz — full-scale value	1.1
operating range factor control supply voltage rated value at AC at 60 Hz — initial value	0.85
operating range factor control supply voltage rated value at AC at 60 Hz — full-scale value	1.1

Supply voltage

supply voltage frequency rated value

60 ... 50 Hz

Interfaces

design of the interface bluetooth

Measuring circuit

type of current for monitoring	AC/DC
measurable current	0.003 ... 10 A
measurable voltage at AC	0.1 ... 760 V
adjustable current response value current limited to 5 s	15 A
adjustable response delay time — when starting	0 ... 999.9 s
adjustable response delay time — with lower or upper limit violation	0 ... 999.9 s
adjustable switching hysteresis for measured current value	0 ... 5 000 mA
buffering time in the event of power failure minimum	20 ms
accuracy of digital display	+/-1 digit

Precision

relative metering precision

10 %

Communication/ Protocol

protocol is supported IO-Link protocol

Auxiliary circuit

number of NC contacts delayed switching	0
number of NO contacts delayed switching	0
number of CO contacts delayed switching	2
operating frequency with 3RT2 contactor maximum	5 000 1/h

Main circuit

number of poles for main current circuit	1
operating voltage rated value	24 ... 240 V
ampacity of the output relay at AC-15 — at 250 V at 50/60 Hz	3 A
ampacity of the output relay at AC-15 — at 400 V at 50/60 Hz	3 A
ampacity of the output relay at DC-13 — at 24 V	1 A
ampacity of the output relay at DC-13 — at 125 V	0.2 A
ampacity of the output relay at DC-13 — at 250 V	0.1 A
operational current at 17 V minimum	5 mA
continuous current of the DIAZED fuse link of the output relay	6 A

Electromagnetic compatibility

conducted interference — due to burst according to IEC 61000-4-4	2 kV
conducted interference — due to conductor-earth surge according to IEC 61000-4-5	2 kV
conducted interference — due to conductor-conductor surge according to IEC 61000-4-5	1 kV
field-based interference according to IEC 61000-4-3	10 V/m
electrostatic discharge according to IEC 61000-4-2	6 kV contact discharge / 8 kV air discharge

Galvanic isolation

galvanic isolation — between input and output	Yes
galvanic isolation — between the outputs	Yes
galvanic isolation — between the voltage supply and other circuits	Yes

Safety related data

product function suitable for safety function	Yes
safe state	off
function test interval maximum	1 a
Safety Integrity Level (SIL) according to IEC 62061	SIL 1
PFHD with high demand rate according to IEC 62061	1.3E-6 1/h
performance level (PL) according to ISO 13849-1	PL c
category according to ISO 13849-1	2
Safety Integrity Level (SIL) according to IEC 61508	SIL 1
safety device type according to IEC 61508-2	Type B
PFDavg with low demand rate according to IEC 61508	0.0016
Safe failure fraction (SFF)	90 %
hardware fault tolerance according to IEC 61508	0
T1 value — of service life according to IEC 61508	20 a
T1 value — for proof test interval or service life according to IEC 61508	1 a

Connections/ Terminals

product component removable terminal for auxiliary and control circuit	Yes
type of electrical connection	spring-loaded terminal (push-in)
type of connectable conductor cross-sections — solid	1x (0.5 ... 4 mm²)
type of connectable conductor cross-sections — finely stranded with core end processing	1x (0.5 ... 2.5 mm²)
type of connectable conductor cross-sections — finely stranded without core end processing	0.5 ... 4 mm²
type of connectable conductor cross-sections — for AWG cables solid	1x (20 ... 12)
type of connectable conductor cross-sections — for AWG cables stranded	20 ... 12
connectable conductor cross-section — solid	0.5 ... 4 mm²
connectable conductor cross-section — finely stranded with core end processing	0.5 ... 2.5 mm²
connectable conductor cross-section — finely stranded without core end processing	0.5 ... 4 mm²
AWG number as coded connectable conductor cross section — solid	20 ... 12
AWG number as coded connectable conductor cross section — stranded	20 ... 12

Installation/ mounting/ dimensions

mounting position	any
fastening method	screw and snap-on mounting
height	100 mm
width	22.5 mm
depth	90 mm
required spacing — with side-by-side mounting — forwards	0 mm
required spacing — with side-by-side mounting — backwards	0 mm
required spacing — with side-by-side mounting — upwards	0 mm
required spacing — with side-by-side mounting — downwards	0 mm
required spacing — with side-by-side mounting — at the side	0 mm
required spacing — for grounded parts — forwards	0 mm
required spacing — for grounded parts — backwards	0 mm
required spacing — for grounded parts — upwards	0 mm
required spacing — for grounded parts — at the side	0 mm
required spacing — for grounded parts — downwards	0 mm
required spacing — for live parts — forwards	0 mm
required spacing — for live parts — backwards	0 mm
required spacing — for live parts — upwards	0 mm
required spacing — for live parts — downwards	0 mm
required spacing — for live parts — at the side	0 mm

Ambient conditions

installation altitude at height above sea level maximum	2 000 m
ambient temperature — during operation	-25 ... +60 °C
ambient temperature — during storage	-40 ... +80 °C
ambient temperature — during transport	-40 ... +80 °C

Downloads & documentation

Official documents from Siemens, downloaded directly from the manufacturer.

Data sheets & manuals

Product data sheet 3UG5642-2CW31PDF

3UG5642-2CW31: frequently asked questions

When can 3UG5642-2CW31 be shipped?

3UG5642-2CW31 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up 3UG5642-2CW31 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for 3UG5642-2CW31 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for 3UG5642-2CW31, subject to availability and destination.