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Siemens 3UF7122-1AA01-0

current/voltage measuring module for dry-running protection of centrifugal pumps in hazardous areas, current setting 10...115 A, voltage measurement up to 690 V, width 55 mm, straight-through transformer

SiemensMFR # 3UF7122-1AA01-0SKU # CEY-937FC780B9AA

product brand nameSIMOCODE

product designationCurrent/voltage measuring module

product type designationIUM

measuring procedureRMS value measurement

size of the circuit-breakerS2, S3

current measurementYes

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About This Product

Siemens 3UF7122-1AA01-0

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Specifications

product brand nameSIMOCODE

product designationCurrent/voltage measuring module

product type designationIUM

General technical data

measuring procedureRMS value measurement

size of the circuit-breakerS2, S3

current measurementYes

voltage measurementYes

active power measurementYes

energy measurementYes

frequency measurementYes

active power monitoring for pump dry-run according to Ignition protection type Ex bYes

measuring procedure for current measurementTRMS

current measuring range extension with external current transformersNo

measuring procedure for voltage measurementTRMS

measurable supply voltage between the line conductors at AC maximum rated value690 V

input for thermistor connectionNo

consumed active power0.5 W

with degree of pollution 3 at AC rated value690 V

for wires of main circuit according to IEC 60947-1 rated value6 kV

surge voltage resistance rated value6 000 V

shock resistance according to IEC 60068-2-2715 g / 11 ms; with basic unit snapped on

vibration resistance1 … 6 Hz / 15 mm; 6 … 500 Hz / 2 g; with basic unit snapped on: 1 g

Substance Prohibitance (day/month/year)05/28/2009

SVHC substance nameLead 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

Net Weight0.355 kg

Electromagnetic compatibility

EMC emitted interference according to IEC 60947-1class A

EMC immunity according to IEC 60947-1corresponds to degree of severity 3

due to burst according to IEC 61000-4-42 kV

due to conductor-earth surge according to IEC 61000-4-52 kV

due to conductor-conductor surge according to IEC 61000-4-51 kV

field-based interference according to IEC 61000-4-310 V/m

Inputs/ Outputs

number of outputs as contact-affected switching element0

Protective and monitoring functions

power factor monitoringYes

ground-fault monitoringYes

voltage detectionYes

trip classCLASS 5E, 7E, 10E, 15E, 20E, 25E, 30E, 35E and 40E adjustable

current detectionYes

overload protectionYes

Precision

of frequency measurement+/- 1.5 %, 7.5 A ... 230 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos phi (0.5...1), 50/60 Hz, 25 °C

for current measurement 1+/- 1.5 %, in range 7.5 A ... 230 A, in range 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), 50/60 Hz, 25 °C

for current measurement 2+/- 3%, in range 230 A ... 920 A, in range 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), 50/60 Hz, 25 °C

for voltage measurement 1+/- 1.5 %, in range 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), 50/60 Hz, 25 °C

at cos phi-measurement 1+/- 1.5 %, 7.5 A ... 230 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos phi (0.5...1), 50/60 Hz, 25 °C

at cos phi-measurement 2+/- 5%, 230 A ... 920 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for active power measurement 1+/- 5%, 15 A ... 400 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for active power measurement 2+/- 10%, 230 A ... 920 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for energy measurement 1+/- 5%, 7.5 A ... 230 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for energy measurement 2+/- 10%, 230 A ... 920 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for apparent power measurement 1+/- 3%, 7.5 A ... 230 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos-phi (0.5...1), 50/60 Hz, 25 °C

for apparent power measurement 2+/- 5 %, 230 A ... 920 A, 0.85 x 110 V ... 1.1 x 690 V (line-to-line voltages), cos phi (0.5...1), 50/60 Hz, 25 °C

accuracy of ground-fault monitoringIn the range 30 % .. 120 %/Is: +/- 10 % (Class CI-A), in range 15 % .. 30 % Ie: +/- 25 % (Class CI-B), both values acc. to IEC 60947-1 Annex T

temperature drift per °C0.01 %/°C; Reference temperature: 25°C

measured variable frequency45 ... 65 Hz

Installation/ mounting/ dimensions

mounting positionany

fastening methodscrew and snap-on mounting

height94 mm

width55 mm

depth91 mm

top30 mm

bottom30 mm

left0 mm

right0 mm

diameter of inlet opening14 mm

diameter of inlet opening for current measurement14 mm

Connections/ Terminals

for main current circuitstraight-through transformers

for auxiliary and control circuitscrew-type terminals

type of electrical connection at the measurement inputs for voltagescrew-type terminals

finely stranded with core end processing1x (0.25 ... 2.5 mm²), 2x (0.25 ... 1.0 mm²)

solid1x (0.25 ... 2.5 mm²), 2x (0.25 ... 1.0 mm²)

for AWG cables solid1x (24 ... 14), 2x (24 ... 18)

for AWG cables stranded1x (20 ... 14), 2x (20 ... 16)

tightening torque at the measurement inputs for voltage0.5 ... 0.6 N·m

tightening torque [lbf·in] at the measurement inputs for voltage4.4 ... 5.3 lbf·in

test voltage for isolation test noteFor insulation tests, it is recommended to disconnect the voltage terminals; this is mandatory for DC test voltages.

Ambient conditions

1 maximum2 000 m

2 maximum3 000 m; max. +50 °C (no protective separation)

3 maximum4 000 m; max. +40 °C (no protective separation)

during operation-25 ... +60 °C

during storage-40 ... +80 °C

during transport-40 ... +80 °C

during operation according to IEC 607213K6 (no formation of ice, no condensation, relative humidity 10 ... 95%), 3C3 (no salt mist), 3S2 (sand must not get into the devices), 3M6

during storage according to IEC 607211K6 (no condensation, relative humidity 10 ... 95%), 1C2 (no salt mist), 1S2 (sand must not get into the devices), 1M4

during transport according to IEC 607212K2, 2C1, 2S1, 2M2

relative humidity during operation10 ... 95 %

Short-circuit protection

product function short circuit protectionNo

IEC 61508

Safety Integrity Level (SIL) according to IEC 615081

ATEX

IECExYes; IECEx PTB 18.0004X

according to ATEX directive 2014/34/EUBVS 06 ATEX F001, PTB 18 ATEX 5003 X

according to UKCAITS21UKEX0464, ITS21UKEX0455X

explosion device group and category according to ATEX directive 2014/34/EUII (2) G, II (2 ) D, I (M2) / I (M2), II (1/2) G, II (1G/2D)

Galvanic isolation

(electrically) protective separation according to IEC 60947-1All circuits with protective separation (double creepage paths and clearances), the information in the "Protective Separation" test report, No. A0258, must be observed (link see further information)

Main circuit

number of poles for main current circuit3

adjustable current response value current of the current-dependent overload release10 ... 115 A

— at 50 Hz rated value110 ... 690 V

— at 60 Hz rated value110 ... 690 V

operating frequency rated value50 ... 60 Hz

Control circuit/ Control

type of voltageAC

inrush current maximum1 150 A; 10 x Io