Device short name

LR97

Product or component type

Electronic overcurrent relay

Device application

Protection

Relay application

Overload Imax > Isetting Locked rotor, mechanical jamming I > 3 x Isetting Sensitivity to phase failure

Product compatibility

LC1D09...D38

Network type

AC DC

[Us] rated supply voltage

24 V AC/DC

Thermal protection adjustment range

5…25 A

[Ue] rated operational voltage

600 V AC 50/60 Hz for power circuit conforming to CSA 600 V AC 50/60 Hz for power circuit conforming to UL 690 V AC 50/60 Hz for power circuit conforming to IEC 60947-4-1

Quantity per set

Set of 10

Network frequency

50...60 Hz

Mounting support

Direct on contactor Rail

Tripping threshold

5...21 A

Surge withstand

6 kV conforming to IEC 61000-4-5

Contacts type and composition

1 C/O

[Ith] conventional free air thermal current

3 A for control circuit

Protection type

BS fuse 3 A - for control circuit GB2 circuit breaker 3 A - for control circuit GG fuse 3 A - for control circuit

Maximum power

28 W at 110 V DC conforming to IEC 60947 28 W at 220 V DC conforming to IEC 60947 55 W at 24 V DC conforming to IEC 60947 55 W at 48 V DC conforming to IEC 60947 140 VA at 48 V AC conforming to IEC 60947 360 VA at 110 V AC conforming to IEC 60947 360 VA at 220 V AC conforming to IEC 60947 70 VA at 24 V AC conforming to IEC 60947

[Ui] rated insulation voltage

Power circuit: 600 V conforming to CSA Power circuit: 600 V conforming to UL Power circuit: 690 V conforming to IEC 60947-4-1

[Uimp] rated impulse withstand voltage

6 kV

Phase failure sensitivity

< 3 s

Reset

Automatic reset 120 s fixed Electrical by interruption of power supply for minimum 0.1 s Manual reset

Time range

0.2...10 s - O-time knob 0.3...10 s - O-time knob 0.5..30 s - D-time knob

Signalling function

2 LEDs

Connections - terminals

Control circuit: cable 1 x 1…25 mm²flexible with cable end Control circuit: cable 1 x 1…25 mm²flexible without cable end Power circuit: cable 1 x 1…4 mm²flexible with cable end Power circuit: cable 1 x 1.5…10 mm²flexible without cable end Power circuit: lug-clamp 1 x 1…4 mm²flexible with cable end Power circuit: lug-clamp 1 x 1.5…10 mm²flexible without cable end Control circuit: cable 2 x 1…25 mm²flexible with cable end Control circuit: cable 2 x 1…25 mm²flexible without cable end Control circuit: lug-clamp 1 x 1…25 mm²flexible with cable end Control circuit: lug-clamp 1 x 1…25 mm²flexible without cable end Control circuit: lug-clamp 2 x 1…25 mm²flexible with cable end Control circuit: lug-clamp 2 x 1…25 mm²flexible without cable end

Tightening torque

Control circuit: 0.6...1.2 N.m on lug-clamp Power circuit: 2 N.m on cable

height

67.5 mm

Width

45 mm

Depth

67.5 mm

Net weight

0.172 kg

standards

IEC 60947 IEC 60255-6

product certifications

UL GOST CSA

Protective treatment

TH conforming to IEC 60068

IP degree of protection

IP20 conforming to IEC 60529

Ambient air temperature for operation

-25…60 °C conforming to IEC 60947-4-1

Ambient air temperature for storage

-30…80 °C

Operating altitude

2000 m

Fire resistance

850 °C conforming to IEC 60695-2-1

Shock resistance

15 gn 11 ms conforming to IEC 60068-2-7

Vibration resistance

4 gn conforming to IEC 60068-2-6

Dielectric strength

2 V 50 Hz conforming to IEC 60255-5

Resistance to electrostatic discharge

6 kV in indirect mode 8 kV in air

Resistance to radiated fields

10 V/m level 3

Resistance to fast transients

2 kV

Disturbance radiated/conducted

10 V conforming to EN 61000-4-6 Class A conforming to EN 55011

Unit Type of Package 1

PCE

Number of Units in Package 1

1

Package 1 Height

5.2 cm

Package 1 Width

7.7 cm

Package 1 Length

7.2 cm

Package 1 Weight

177.0 g

Unit Type of Package 2

S02

Number of Units in Package 2

24

Package 2 Height

15.0 cm

Package 2 Width

30.0 cm

Package 2 Length

40.0 cm

Package 2 Weight

4.703 kg

Unit Type of Package 3

PAL

Number of Units in Package 3

384

Package 3 Height

77.0 cm

Package 3 Width

80.0 cm

Package 3 Length

60.0 cm

Package 3 Weight

83.748 kg

Warranty

18 months