Overload relay

ambient temperature / during operation / max.

• 60 C
  (4)

Ambient temperature / during operation / maximum

• 70 C
  (23)
• 60 C
  (18)

ambient temperature / during operation / min.

• -25 C
  (2)

Ambient temperature / during operation / minimum

• -20 C
  (6)
• -40 C
  (16)
• -25 C
  (19)

Ambient temperature / during storage / maximum

• 80 C
  (30)

Ambient temperature / during storage / minimum

• -40 C
  (15)
• -55 C
  (33)

Ambient temperature / during transport / maximum

• 80 C
  (29)

Ambient temperature / during transport / minimum

• -40 C
  (16)
• -55 C
  (34)

Application area

• forinverse-timedelayedprotectionofloadswithnormalstartingagainstexcessivetemperaturerisesduetooverloadorphasefailure
  (12)
• forinverse-timedelayedprotectionofloadswithnormalandheavystartingagainstexcessivetemperaturerisesduetooverload,phaseunbalanceorphasefailure
  (6)

Arrangement of electrical connectors / for main current circuit

• Topandbottom
  (17)

AWG number / as coded connectable conductor cross section / for main contacts / maximum

• 8
  (5)
• 12
  (2)
• 1
  (6)

AWG number / as coded connectable conductor cross section / for main contacts / minimum

• 18
  (12)
• 16
  (1)
• 20
  (4)
• 10
  (8)

Certificate of suitability / according to ATEX directive 2014/34/EU

• DMT98ATEXG001
  (14)
• PTB09ATEX3001
  (3)

Certificate of suitability / relating to ATEX

• DMT98ATEXG001
  (9)
• PTB09ATEX3001
  (4)
• onrequest
  (2)

Conducted interference / due to burst / acc. to IEC 61000-4-4

• 2kV(powerports),1kV(signalports)correspondstodegreeofseverity3
  (9)

Conducted interference / due to conductor-conductor surge / acc. to IEC 61000-4-5

• 1kV(linetoline)correspondstodegreeofseverity3
  (8)

Conducted interference / due to conductor-earth surge / acc. to IEC 61000-4-5

• 2kV(linetoearth)correspondstodegreeofseverity3
  (7)

Conducted interference / due to high-frequency radiation / acc. to IEC 61000-4-6

• 10Vinfrequencyrange0.15to80MHz,modulation80%AMwith1kHz
  (6)

Connectable conductor cross-section / for main contacts / solid / maximum

• 10 mm2
  (1)
• 50 mm2
  (1)
• 16 mm2
  (3)

Connectable conductor cross-section / for main contacts / solid / minimum

• 0.5 mm2
  (2)
• 1 mm2
  (1)
• 2.5 mm2
  (3)

Connectable conductor cross-section / for main contacts / stranded / maximum

• 70 mm2
  (3)

Connectable conductor cross-section / for main contacts / stranded / minimum

• 6 mm2
  (3)

Contact Configuration

• nc
  (3)
• no/nc
  (7)
• 1NC 1NO
  (95)

Contact Rating

• B600/R300
  (10)
• B600 / R300
  (74)
• B300 / R300
  (21)

Contact rating / of auxiliary contacts / according to UL

• B600/R300
  (13)

Depth

• 90 mm
  (7)
• 73 mm
  (4)
• 80 mm
  (20)
• 79 mm
  (21)
• 70 mm
  (31)
• 84 mm
  (9)
• 85 mm
  (26)
• 95 mm
  (13)
• 109 mm
  (14)
• 124 mm
  (25)
• 104 mm
  (8)
• 105 mm
  (22)
• 117 mm
  (16)
• 125 mm
  (11)
• 140 mm
  (8)

Derating factor / for rated value of the operating current / at between 60C and 70C

• 0.87
  (8)

Derating factor / for rated value of the operating current / up to 60 C

• 1
  (13)

Design of screwdriver shaft

• Diameter5to6mm
  (5)
• Diameter5...6mm
  (3)
• Hexagonalsocket
  (2)

Design of the auxiliary switch

• integrated
  (16)

Design of the fuse link / for short-circuit protection of the auxiliary switch / required

• fusegG:6A,quick:10A
  (9)
• fusegG:6A
  (3)

Design of the overload release

• thermal
  (13)
• electronic
  (8)

Design of the thread / of the connection screw / for main contacts

• M4
  (1)
• M3
  (1)
• M6
  (4)
• M8
  (2)

Design of the thread / of the connection screw / of the auxiliary and control contacts

• M3
  (6)

Display version / for switching status

• Slideswitch
  (7)

Electrostatic discharge / acc. to IEC 61000-4-2

• 6kVcontactdischarge/8kVairdischarge
  (5)

EMC emitted interference / acc. to IEC 60947-1

• CISPR11,environmentB(residentialarea)
  (8)

EMI immunity / acc. to IEC 60947-1

• correspondstodegreeofseverity3
  (8)

Environmental Conditions

• 80 -40 C
  (48)
• 80.0 -50.0 C
  (56)

Failure rate [FIT] / with low demand rate / acc. to SN 31920

• 50 FIT
  (16)

Field-bound parasitic coupling / acc. to IEC 61000-4-3

• 10V/m
  (6)

Full Load Current Range

• Heaters
  (3)
• 13 to 52 A
  (1)
• 50 to 200 A
  (1)
• 25 to 100 A
  (1)
• 0.75 to 3.4 A
  (1)
• 5.5 to 22 A
  (1)
• 10 to 40 A
  (1)
• 3 to 12 A
  (1)

Full-load current (FLA) / for three-phase AC motor / at 480 V / rated value

• 3.2 A
  (1)
• 0.5 A
  (1)
• 1 A
  (1)
• 5 A
  (1)
• 80 A
  (1)
• 20 A
  (1)
• 32 A
  (2)
• 45 A
  (1)
• 73 A
  (2)
• 50 A
  (2)

Full-load current (FLA) / for three-phase AC motor / at 600 V / rated value

• 4 A
  (1)
• 0.2 A
  (1)
• 80 A
  (2)
• 20 A
  (1)
• 32 A
  (2)
• 45 A
  (1)
• 73 A
  (1)
• 50 A
  (1)
• 99 A
  (1)

Height

• 72 mm
  (7)
• 79 mm
  (4)
• 89 mm
  (20)
• 102 mm
  (25)
• 76 mm
  (23)
• 85 mm
  (15)
• 97 mm
  (6)
• 114 mm
  (7)
• 87 mm
  (13)
• 109 mm
  (11)
• 99 mm
  (8)
• 81 mm
  (8)
• 90 mm
  (22)
• 105 mm
  (27)
• 106 mm
  (23)
• 120 mm
  (8)

Installation altitude / at height above sea level / maximum

• 2000 m
  (35)

Insulation voltage / with degree of pollution 3 / rated value

• 690 V
  (23)
• 300 V
  (2)
• 1000 V
  (16)

Internal diameter / of the usable ring cable lug / minimum

• 3.2 mm
  (3)
• 6.3 mm
  (2)

Load

• B600 / R300
  (1)

Maximum Motor Voltage

• 600v
  (10)

Maximum Switching Voltage

• 600v
  (10)

Mounting

• direct
  (3)
• direct/DIN Rail
  (7)
• direct mounting any
  (93)
• stand-alone installation any
  (2)
• vertical and direct mounting
  (7)
• direct mounting / stand-alone installation any
  (9)

mounting position

• any
  (8)

Mounting type

• Contactormounting
  (7)
• stand-aloneinstallation
  (2)

MTTF / with high demand rate

• 2280 a
  (4)

MTTF / with low demand rate

• 130 s
  (5)

Number of NC contacts / for auxiliary contacts

• 1
  (27)

Number of NC contacts / for auxiliary contacts / Note

• forcontactordisconnection
  (13)

Number of NO contacts / for auxiliary contacts

• 1
  (20)

Number of NO contacts / for auxiliary contacts / Note

• formessage"Tripped"
  (14)

Number of Poles

• 3
  (136)

Number of poles / for main current circuit

• 3
  (39)

Operating current / at AC-3 / at 400 V / Rated value

• 2.50 A
  (1)
• 25.00 A
  (2)
• 12.00 A
  (1)
• 4.00 A
  (1)
• 0.40 A
  (1)
• 0.32 A
  (1)
• 50.00 A
  (9)
• 80.00 A
  (2)
• 60.00 A
  (2)
• 20.00 A
  (1)
• 40.00 A
  (1)
• 45.00 A
  (1)
• 65.00 A
  (2)
• 73.00 A
  (1)
• 63.00 A
  (2)
• 115.00 A
  (5)
• 75.00 A
  (1)
• 90.00 A
  (1)
• 100.00 A
  (2)

Operating current / for heavy starting CLASS 20 / maximum

• 50 A
  (1)

Operating current / for heavy starting CLASS 30 / maximum

• 50 A
  (2)

Operating current / of auxiliary contacts / at AC-15 / at 110 V

• 3 A
  (12)
• 4 A
  (3)

Operating current / of auxiliary contacts / at AC-15 / at 120 V

• 3 A
  (12)
• 4 A
  (5)

Operating current / of auxiliary contacts / at AC-15 / at 125 V

• 3 A
  (10)
• 4 A
  (4)

Operating current / of auxiliary contacts / at AC-15 / at 230 V

• 2 A
  (13)
• 3 A
  (4)

Operating current / of auxiliary contacts / at AC-15 / at 24 V

• 3 A
  (9)
• 4 A
  (4)

Operating current / of auxiliary contacts / at AC-15 / at 400 V

• 1 A
  (14)

Operating current / of auxiliary contacts / at AC-15 / at 600 V

• 0.75 A
  (13)

Operating current / of auxiliary contacts / at AC-15 / at 690 V

• 0.75 A
  (12)

Operating current / of auxiliary contacts / at DC-13 / at 110 V

• 0.22 A
  (11)
• 0.3 A
  (3)

Operating current / of auxiliary contacts / at DC-13 / at 125 V

• 0.22 A
  (7)
• 0.3 A
  (3)

Operating current / of auxiliary contacts / at DC-13 / at 220 V

• 0.11 A
  (12)

Operating current / of auxiliary contacts / at DC-13 / at 24 V

• 2 A
  (16)

Operating current / of auxiliary contacts / at DC-13 / at 60 V

• 0.55 A
  (18)
• 0.3 A
  (9)

Operating current / rated value

• 1.25 A
  (1)
• 0.25 A
  (1)
• 50 A
  (3)
• 80 A
  (1)
• 20 A
  (1)
• 32 A
  (2)
• 45 A
  (1)
• 73 A
  (2)
• 115 A
  (1)

Operating frequency / rated value / maximum

• 60 Hz
  (12)

Operating frequency / rated value / minimum

• 50 Hz
  (14)

Operating power / at AC-3 / at 400 V / rated value

• 0.75 k kW
  (1)
• 1.50 k kW
  (1)

Operating power / at AC-3 / at 500 V / rated value

• 1.50 k kW
  (1)

Operating power / at AC-3 / at 690 V / rated value

• 37.00 k kW
  (1)
• 0.09 k kW
  (1)
• 0.25 k kW
  (1)

Operating power / for AC motors / at 500 V / at 50 Hz / maximum

• 2.2 kW
  (1)
• 5.5 kW
  (2)
• 0.12 kW
  (1)
• 55 kW
  (1)
• 30 kW
  (2)
• 75 kW
  (1)

Operating power / for AC motors / at 500 V / at 50 Hz / minimum

• 15 kW
  (1)
• 11 kW
  (2)
• 22 kW
  (1)

Operating power / for AC motors / at 690 V / at 50 Hz / maximum

• 75 kW
  (1)
• 45 kW
  (2)
• 90 kW
  (1)

Operating power / for AC motors / at 690 V / at 50 Hz / minimum

• 0.55 kW
  (1)
• 18.5 kW
  (1)
• 11 kW
  (2)
• 30 kW
  (1)

Operating power / for three-phase motors / at 400 V / at 50 Hz / maximum

• 22 kW
  (2)
• 55 kW
  (1)

Operating power / for three-phase motors / at 400 V / at 50 Hz / minimum

• 0.37 kW
  (1)
• 7.5 kW
  (1)
• 18.5 kW
  (1)

Operating Temperature

• 60.0 -25.0 C
  (48)
• 70.0 -20.0 C
  (56)
• -40 ?C and 70 ?C
  (6)

Operating voltage / acc. to UL 60947 / rated value

• 600 V
  (11)

Operating voltage / at AC-3 / Rated value / maximum

• 690 V
  (18)
• 1000 V
  (2)

Operating voltage / for remote-reset function / at DC

• 24 V
  (1)

Operating voltage / rated value

• 690 V
  (10)
• 1000 V
  (1)

Outer diameter / of the usable ring cable lug / maximum

• 7.5 m
  (1)
• 19 m
  (1)

Power loss [W] / for rated value of the current / at AC / in hot operating state

• 9.6
  (1)
• 4.8
  (2)
• 0.1
  (2)
• 0.2
  (1)
• 10.5
  (1)
• 15.6
  (4)
• 21
  (1)
• 0.9
  (1)
• 13.5
  (1)

Power loss [W] / total / typical

• 0.1 W
  (3)
• 6.2 W
  (1)
• 4.3 W
  (1)
• 5.1 W
  (1)
• 0.6 W
  (2)
• 0.2 W
  (3)
• 1.8 W
  (1)
• 4.6 W
  (6)
• 11 W
  (2)
• 13 W
  (1)
• 0.9 W
  (2)

Product component / Auxiliary switch

• Yes
  (16)

Product component / RESET button

• Yes
  (9)

Product component / STOP pushbutton

• Yes
  (5)
• No
  (3)

Product component / Trip indicator

• Yes
  (14)

Product designation

• thermaloverloadrelay
  (24)
• solid-stateoverloadrelay
  (6)
• Functionexpansionmoduleoverloadrelay
  (1)

Product function / Ground fault detection

• No
  (16)

Product function / overload protection

• Yes
  (17)

Product function / overload warning

• No
  (17)

Product function / Phase failure detection

• Yes
  (20)

Product function / removable terminal for auxiliary and control circuit

• No
  (21)
• Yes
  (15)

Product type designation

• 3RU2
  (15)
• 3RB3
  (3)

Protection against electrical shock

• finger-safe
  (3)
• finger-safewhentouchedverticallyfromfrontacc.toIEC60529
  (6)

Protection class IP / of the terminal

• IP20
  (6)
• IP00
  (11)

Protection class IP / on the front

• IP20
  (19)

Rated operational voltage Ue

• 1000 V
  (2)
• 690 V
  (4)

Recovery time / after overload trip / with automatic reset / typical

• 3 min
  (2)
• 10 min
  (3)

Recovery time / after overload trip / with manual reset

• 10 min
  (4)
• 0 min
  (1)

Recovery time / after overload trip / with remote-reset

• 0 min
  (3)
• 10 min
  (4)

Reference code / acc. to DIN 40719 extended according to IEC 204-2 / acc. to IEC 750

• F
  (4)

Reference code / acc. to DIN EN 61346-2

• F
  (5)

Reference code / acc. to DIN EN 81346-2

• F
  (14)

Relative humidity / during operation / maximum

• 95 %
  (16)
• 90 %
  (17)

Relative humidity / during operation / minimum

• 10 %
  (18)
• 0 %
  (5)

Required spacing / for grounded parts / at the side

• 6 mm
  (8)
• 10 mm
  (2)

Required spacing / for grounded parts / Backwards

• 0 mm
  (10)

Required spacing / for grounded parts / downwards

• 0 mm
  (5)
• 6 mm
  (2)
• 10 mm
  (3)

Required spacing / for grounded parts / forwards

• 0 mm
  (8)
• 6 mm
  (1)
• 10 mm
  (3)

Required spacing / for grounded parts / upwards

• 6 mm
  (4)
• 10 mm
  (3)
• 0 mm
  (4)

Required spacing / for live parts / at the side

• 6 mm
  (7)
• 10 mm
  (4)

Required spacing / for live parts / Backwards

• 0 mm
  (9)

Required spacing / for live parts / downwards

• 6 mm
  (2)
• 10 mm
  (4)
• 0 mm
  (4)

Required spacing / for live parts / forwards

• 6 mm
  (2)
• 0 mm
  (5)
• 10 mm
  (4)

Required spacing / for live parts / upwards

• 6 mm
  (2)
• 10 mm
  (5)
• 0 mm
  (4)

Required spacing / with side-by-side mounting / at the side

• 6 mm
  (2)
• 0 mm
  (5)
• 10 mm
  (1)

Required spacing / with side-by-side mounting / Backwards

• 0 mm
  (13)

Required spacing / with side-by-side mounting / downwards

• 6 mm
  (4)
• 0 mm
  (6)
• 10 mm
  (1)

Required spacing / with side-by-side mounting / forwards

• 0 mm
  (10)
• 10 mm
  (1)

Required spacing / with side-by-side mounting / upwards

• 6 mm
  (4)
• 0 mm
  (7)
• 10 mm
  (2)

Reset current / for remote-reset function / maximum

• 200 mA
  (1)

Reset Type

• auto/manual
  (3)
• auto/manual/remote
  (7)
• 3
  (7)

Response time / of the ground fault protection / in settled state

• 1000 ms
  (1)

Response value current / of the ground fault protection / minimum

• 0.75xIMotor
  (2)

Shock resistance

• 15g/11ms
  (2)
• 8g/11ms
  (1)

Shock resistance / acc. to IEC 60068-2-27

• 8g/11ms
  (11)
• 15g/11ms
  (4)

Shock resistance / acc. to IEC 60068-2-27 / Note

• Signalingcontact97/98inposition"Tripped":9g/11ms
  (1)
• Signalingcontact97/98inposition"Tripped":8g/11ms
  (3)

Size of contactor / can be combined / company-specific

• S00
  (9)
• S0
  (6)
• S2
  (11)
• S3
  (6)

Size of overload relay

• S00
  (2)
• S0
  (2)
• S2
  (9)
• S3
  (5)

Size of the screwdriver tip

• PozidrivPZ2
  (10)
• 3,0x0,5mm
  (1)
• 4mmhexagonsocket
  (2)

Standard

• cUL, CSA
  (10)
• CSA/UL
  (7)

Surge voltage resistance / rated value

• 6 V
  (18)
• 8 V
  (16)

T1 value / for proof test interval or service life / acc. to IEC 61508

• 20 a
  (9)

Temperature compensation / maximum

• 60 C
  (10)

Temperature compensation / minimum

• -40 C
  (4)
• -25 C
  (1)

Thermal current

• 4 A
  (1)
• 32 A
  (1)
• 50 A
  (2)
• 115 A
  (1)

Tightening torque / for auxiliary contacts / for ring cable lug / maximum

• 0.8 N.m
  (1)

Tightening torque / for auxiliary contacts / with screw-type terminals / maximum

• 1.2 N.m
  (2)

Tightening torque / for auxiliary contacts / with screw-type terminals / minimum

• 0.8 N.m
  (3)

Tightening torque / for main contacts / for ring cable lug / maximum

• 2 N.m
  (2)
• 6 N.m
  (3)

Tightening torque / for main contacts / for ring cable lug / minimum

• 2.5 N.m
  (1)
• 4.5 N.m
  (1)

Tightening torque / for main contacts / with screw-type terminals / maximum

• 4.5 N.m
  (1)
• 6 N.m
  (3)

Tightening torque / for main contacts / with screw-type terminals / minimum

• 3 N.m
  (1)
• 4.5 N.m
  (2)

Trip Class

• CLASS10
  (170)
• CLASS10E
  (33)
• CLASS20E
  (32)
• CLASS5E,10E,20Eand30Eadjustable
  (9)
• Class5,10,20and30adjustable
  (4)
• CLASS10A
  (8)

Trip Type

• mechanical
  (3)
• electronic
  (7)

Type

• Bi-Metalic Overload Relay
  (3)
• Solid State Overload Relay
  (7)
• 3RB2 SS Overload Relay
  (48)
• 3RU2 thermal overload relay
  (63)

Type of connectable conductor cross-sections / at AWG conductors / for auxiliary contacts

• 2x(20...14)
  (5)
• 2x(20...16),2x(18...14)
  (3)

Type of connectable conductor cross-sections / at AWG conductors / for main contacts

• 1x(20...12)
  (2)
• 2x(18...2),1x(18...1)
  (5)
• 2x(10...1/0),1x(10...2/0)
  (2)

Type of connectable conductor cross-sections / for auxiliary contacts / solid

• 1x(0.5...4mm),2x(0.5...2.5mm)
  (3)
• 2x(0.25...1.5mm)
  (2)

Type of connectable conductor cross-sections / for main contacts / solid

• 1x(1...50mm),2x(1...35mm)
  (1)
• 2x(2.5...16mm)
  (3)

Type of connectable conductor cross-sections / for main contacts / stranded

• 1x10mm
  (2)
• 2x(6...16mm),2x(10...50mm),1x(10...70mm)
  (3)

Type of electrical connection / for auxiliary and control current circuit

• screw-typeterminals
  (6)
• ringcableconnection
  (1)
• spring-loadedterminals
  (5)

Type of electrical connection / for main current circuit

• screw-typeterminals
  (16)
• Ringcablelugconnection
  (5)
• spring-loadedterminals
  (5)

Type of protection

• Exe
  (8)
• onrequest
  (2)
• II(2)G[Exe][Exd][Expx]II(2)D[Ext][Exp]
  (3)

Type of protection / according to ATEX directive 2014/34/EU

• ExII(2)G[Exe][Exd][Expx];ExII(2)D[Ext][Exp]
  (5)
• ExII(2)GD
  (14)

Type of voltage / for auxiliary and control current circuit

• AC/DC
  (16)

Type of voltage / for main current circuit

• AC/DC
  (10)
• AC
  (7)

Type of voltage supply / via input/output link master

• No
  (4)

Vibration resistance

• 1-6Hz,15mm;6-500Hz,20m/s;10cycles
  (4)

Width

• 45 mm
  (131)
• 55 mm
  (54)
• 70 mm
  (42)

Manufacturers