Range

TeSys

Product name

TeSys LRG

Product or component type

Electronic thermal overload relay

Device short name

LR9G

Relay application

Motor protection

Network type

AC

Thermal overload class

Class 5E...30E conforming to IEC 60947-4-1

Thermal protection adjustment range

125…500 A

Network frequency

30...60 Hz 100 Hz

Overvoltage category

III

Tripping threshold

1.125 +/- 0.07 In conforming to IEC 60947-4-1

Protection type

Ground fault protection - tripping time adjustment: 0…1 s - for alarm circuit conforming to IEC 60947-4-1 Ground fault protection - tripping time adjustment: 0…1 s - for alarm circuit conforming to UL 60947-4-1 Phase loss - tripping time adjustment: 0…4 s - for alarm circuit Phase imbalance - tripping time adjustment: 0…5 s - for alarm circuit conforming to IEC 60947-4-1 Phase imbalance - tripping time adjustment: 0…5 s - for alarm circuit conforming to UL 60947-4-1

Local signalling

LED Trip indicator

Contacts type and composition

1 NO + 1 NC

[Ith] conventional free air thermal current

5 A

[Uc] control circuit voltage

24...500 V AC 50/60 Hz 24...250 V DC

[Ue] rated operational voltage

1000 V AC 50/60 Hz

[Uimp] rated impulse withstand voltage

8 kV

Reset

Automatic reset Manual

Mechanical durability

7000 cycles

Surge withstand

4 kV

Electromagnetic compatibility

EMC immunity conforming to IEC 60947-4-1 Emission tests criteria A conforming to IEC 60947-4-1 Immunity to radiated radio-electrical interference - test level: 20 V/m conforming to EN/IEC 61000-4-3 Voltage dips and interruptions immunity test conforming to SEMI F47

Connections - terminals

Power circuit: bar - busbar cross section: 32 x 10 mm Power circuit: lugs-ring terminals 1 240 mm² Control circuit: push-in 1 0.2…2.5 mm² - cable stiffness: solid stranded without cable end Control circuit: push-in 1 0.25…2.5 mm² - cable stiffness: flexible with cable end Control circuit: push-in 2 0.5…1.0 mm² with cable end

Tightening torque

35 N.m

Mounting support

Direct on contactor Plate

standards

EN/IEC 60947-4-1 EN/IEC 60947-5-1 UL 60947-4-1 CSA C22.2 No 60947-4-1 JIS C8201-4-1 JIS C8201-5-1

product certifications

CB Scheme CCC cULus UKCA ATEX EU-RO-MR by DNV-GL EAC

IP degree of protection

IP2X front face with shrouds conforming to IEC 60529 IP2X front face with shrouds conforming to VDE 0106

Protective treatment

TH

Ambient air temperature for operation

-25…60 °C

Ambient air temperature for storage

-60…80 °C

Permissible ambient air temperature around the device

-40…60 °C at Uc

Adjustment of dial setting

-25…60 °C

Mechanical robustness

Vibrations 5…300 Hz 6 gn contactor open Shocks 15 gn 11 ms contactor closed

height

114 mm

Width

140 mm

Depth

140 mm

Net weight

1.55 kg

Colour

Dark grey

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

18.500 cm

Package 1 Width

19.000 cm

Package 1 Length

24.000 cm

Package 1 Weight

2.104 kg

Unit Type of Package 2

S03

Number of Units in Package 2

2

Package 2 Height

30.000 cm

Package 2 Width

30.000 cm

Package 2 Length

40.000 cm

Package 2 Weight

4.733 kg

Unit Type of Package 3

P06

Number of Units in Package 3

16

Package 3 Height

75.000 cm

Package 3 Width

60.000 cm

Package 3 Length

80.000 cm

Package 3 Weight

45.864 kg

Warranty

18 months