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Schneider LR9F7575 | TeSys LRF - electronic thermal overload relay - 200...330 A - class 20

Schneider LR9F7575 | TeSys LRF – electronic thermal overload relay – 200…330 A – class 20

Schneider Electric
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28,666.40 EGP 52,120.80 EGP

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Schneider LR9F7575 | TeSys LRF – electronic thermal overload relay – 200…330 A – class 20

Schneider LR9F7575 | TeSys LRF – Electronic Thermal Overload Relay, 200–330 A, Class 20

The Schneider LR9F7575 is a high-performance electronic thermal overload relay from the TeSys LRF series. Designed for protection of large motors operating within a 200 to 330 A range, it features Class 20 tripping characteristics, making it ideal for motors with high inertia or long start-up times.

General Information:

  • Brand: Schneider Electric

  • Product Series: TeSys LRF

  • Model: LR9F7575

  • Device Type: Electronic Thermal Overload Relay

  • Current Range: 200 to 330 A

  • Trip Class: Class 20 (slower tripping – suited for high inertia motors)

Key Features:

  • Wide Adjustable Current Range: 200–330 A

  • Class 20 Tripping Curve: Ideal for motors with longer startup durations

  • Electronic Sensing: More precise than traditional bimetallic relays

  • Phase Failure Protection: Ensures motor safety in case of power imbalance

  • Reset Options: Selectable automatic or manual reset

  • Trip Indicator: Clear visual notification of faults

  • Test Button: Enables functional testing during commissioning and maintenance

  • Integrated Auxiliary Contacts: 1 NO + 1 NC for status signaling

  • Mounting Compatibility: Designed to mount directly onto TeSys F series contactors

Technical Specifications:

  • Current Adjustment Range: 200 A to 330 A

  • Tripping Class: Class 20

  • Reset Mode: Manual or Automatic

  • Auxiliary Contacts: 1 NO + 1 NC

  • Mounting Type: Direct mount (for LC1F contactors)

  • Protection Degree: IP20 (device body)

  • Compliance Standards: IEC 60947-4-1, IEC 60947-1

Applications:

  • High inertia motor loads (e.g. conveyors, crushers, centrifuges)

  • Industrial HVAC systems

  • Pumps and fans with long acceleration periods

  • Material handling equipment

  • Large-scale manufacturing systems

  • Mining and heavy-duty industrial applications

Benefits:

  • Accurate Thermal Protection: Prevents overheating and long-term motor damage

  • Reliable for High-Inertia Applications: Class 20 tripping ensures proper protection during extended startups

  • Minimal Downtime: Fast fault diagnosis via LED indicators and test function

  • Flexible Integration: Fits seamlessly with Schneider’s TeSys contactor systems

  • Enhanced Motor Safety: Includes advanced phase-loss detection

SKU: LR9F7575 Category: Brand:
Main
Range TeSys
Product name TeSys LRF
Device short name LR9F
Product or Component Type Electronic thermal overload relay
Relay application Motor protection
Product Compatibility LC1F225…LC1F500
Network type AC
Thermal overload class Class 20 IEC 60947-4
Thermal protection adjustment range 200…330 A
Complementary
Network Frequency 50/60 Hz
Mounting support Direct on contactor
Plate
Tripping threshold 1.12 +/- 0.06 In tripping IEC 60947-4-1
Surge withstand 4 kV IEC 61000-4-5
Contacts type and composition 1 NO + 1 NC
[Ith] conventional free air thermal current 5 A control circuit
[Ue] rated operational voltage 1000 V AC 50/60 Hz power circuit VDE 0110 group C
[Ui] rated insulation voltage Power circuit 1000 V AC IEC 60947-4
[Uimp] rated impulse withstand voltage 8 kV IEC 60947-1
Phase failure sensitivity Tripping in 4 s +/- 20 % IEC 60947-4-1
Reset Manual reset on front relay
Control type Dial White full-load current adjustment
Test button Red
Push-button Red reset
Push-button stop
local signalling Trip indicator
Temperature compensation -4…158 °F (-20…70 °C)
Current consumption <= 5 mA no-load
switching capacity for alarm 0…150 mA
Maximum voltage drop <2.5 V closed state
Connections – terminals Control circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) flexible – with cable end
Control circuit screw clamp terminals 1 0.00…0.00 in² (0.75…2.5 mm²) solid
Control circuit screw clamp terminals 1 0.00…0.01 in² (0.75…4 mm²) flexible – without cable end
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…1.5 mm²) flexible – with cable end
Control circuit screw clamp terminals 2 0.00…0.00 in² (1…2.5 mm²) flexible – without cable end
Control circuit screw clamp terminals 2 0.00 in² (1 mm²) solid
Power circuit lugs-ring terminals M10
Tightening torque Control circuit 1.2 N.m screw clamp terminals
Power circuit 35 N.m screw clamp terminals
Height 5.39 in (136.8 mm)
Width 5.91 in (150 mm)
Depth 5.02 in (127.6 mm)
Net Weight 5.11 lb(US) (2.32 kg)
Environment
Standards IEC 60255-8
VDE 0660
IEC 60255-17
EN 60947-4-1
IEC 60947-4-1
Product Certifications CSA
UL
UKCA
Protective treatment TH
IP degree of protection IP20 conforming to IEC 60529
IP20 conforming to VDE 0106
Ambient air temperature for operation -4…131 °F (-20…55 °C) IEC 60255-8
Ambient Air Temperature for Storage -40…185 °F (-40…85 °C)
Operating altitude <= 6561.68 ft (2000 m) without derating
Fire resistance 1562 °F (850 °C) IEC 60695-2-1
Mechanical robustness Shocks13 Gn for 11 ms IEC 60068-2-7
Vibrations 5…300 Hz2 GN IEC 60068-2-6
Dielectric strength 6 kV 50 Hz IEC 255-5
Electromagnetic compatibility Resistance to electrostatic discharge 6 kV in indirect mode IEC 61000-4-2
Resistance to electrostatic discharge 8 kV in air IEC 61000-4-2
Radiated radio-frequency electromagnetic field immunity test 10 V/m IEC 61000-4-3
Fast transients immunity test 2 kV IEC 61000-4-4
Ordering and shipping details
Category US10I1222334
Discount Schedule 0I12
GTIN 3389110640212
Returnability No
Country of origin FR
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 6.77 in (17.2 cm)
Package 1 Width 7.09 in (18.0 cm)
Package 1 Length 10.24 in (26.0 cm)
Package 1 Weight 4.15 lb(US) (1.884 kg)
Unit Type of Package 2 S04
Number of Units in Package 2 6
Package 2 Height 11.81 in (30.0 cm)
Package 2 Width 15.75 in (40.0 cm)
Package 2 Length 23.62 in (60.0 cm)
Package 2 Weight 26.77 lb(US) (12.144 kg)
Contractual warranty
Warranty 18 months

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