This Application will be decommissioned as of January 7th 2025

LR97D38B |
Schneider-Electric
 
LR97D38B picture- web-product-data-sheet
LR97D38B
Electronic overcurrent relay, TeSys LR97D, 24VAC/DC, 20 to 38A, 1C/O
Schneider Electric
Characteristics
Main
Device short name LR97
Product or component type Electronic overcurrent relay
Device application Protection
Relay application Sensitivity to phase failure
Overload Imax > Isetting
Locked rotor, mechanical jamming I > 3 x Isetting
Product compatibility LC1D25...D38
Network type DC
AC
[Us] rated supply voltage 24 V AC/DC
Thermal protection adjustment range 20…38 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
Complementary
Network frequency 50...60 Hz
Mounting support Direct on contactor
Rail
Tripping threshold 20...34 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
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
Control circuit: cable 2 x 1…25 mm²
Power circuit: cable 1 x 1…6 mm²flexible without cable end
Power circuit: cable 1 x 2.5…10 mm²flexible with cable end
Power circuit: lug-clamp 1 x 1…6 mm²flexible without cable end
Power circuit: lug-clamp 1 x 2.5…10 mm²flexible with 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
Environment
Standards IEC 60255-6
IEC 60947
Product certifications CSA
UL
GOST
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
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.0 cm
Package 1 Width 6.9 cm
Package 1 Length 7.6 cm
Package 1 Weight 175.0 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 4.664 kg
Offer Sustainability
Packaging without single use plastic No
Packaging made with recycled cardboard No
REACh Regulation
print REACh Declaration
EU RoHS Directive Compliant with Exemptions
Mercury free Yes
RoHS exemption information
print Yes
China RoHS Regulation
print China RoHS declaration
WEEE The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins
Take-back No
Contractual warranty
Warranty 18 months