LR9G225 | Thermal overload relay LR9G 225A push-in – Schneider Electric

Name: LR9G225 | Thermal overload relay LR9G 225A push-in - Schneider Electric - myelectric.in
Brand: Schneider Electric
SKU: LR9G225
Price: 20075.30 INR
Availability: InStock

SKU: LR9G225

Original price was: ₹40,970.00.Current price is: ₹20,075.30. Excl. GST

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The Schneider Electric LR9G225 is an overload relay from the TeSys range, engineered for motor control and switching in demanding Indian and international installations. Key ratings include 225 A, 1000 V AC 50/60 Hz, IP2X front face with shrouds. Buy the LR9G225 | Thermal overload relay LR9G 225A push-in online at myelectric.in with GST invoice, genuine-product assurance, and fast delivery across India — bulk and worldwide export enquiries welcome.

📋 Technical Specifications

Product
Brand	Schneider Electric
Part Number / SKU	LR9G225
Category	Overload Relay
Main
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	57…225 A
Complementary
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: 25 x 6 mm Power circuit: lugs-ring terminals 1 185 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	18 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 IEC 60335-1:Clause 30.2 IEC 60335-2-40:Annex JJ UL 60335-2-40:Annex JJ UL 60335-1
Product certifications	CB Scheme CCC cULus UKCA ATEX EU-RO-MR by DNV-GL EAC
Environment
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	107 mm
Width	105 mm
Depth	126 mm
Product weight	0.8 kg
Colour	Dark grey
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	17.000 cm
Package 1 Width	20.000 cm
Package 1 Length	21.000 cm
Package 1 Weight	1.425 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	3.383 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	35.624 kg
Contractual warranty
Warranty (in months)	18

⚡ Key Features

Adjustable current range 225 A — set to the motor nameplate FLC for accurate overload detection; range covers multiple motor sizes from a single relay model.
Bimetal thermal element with phase-loss sensitivity — independently monitors each phase; trips if any phase carries more than ~115% of the set current, or on complete phase failure.
Normally open (NO) and normally closed (NC) auxiliary contacts built in — NO contact wired to motor run indicator; NC contact wired to PLC fault input or motor starter stop circuit.
Manufactured to IEC 60947-4-1 / IS 13947-4-1 — complies with the applicable Indian BIS and IEC international standards for this product category.
BIS certified, CE marked, RoHS compliant — meets Indian regulatory requirements for use in government, commercial, and industrial electrical installations.
Genuine authorised Schneider Electric product — sourced directly from the official distribution network with full manufacturer traceability and warranty.
GST invoice provided for India orders — valid for corporate procurement, government project orders, and public tender supply via myelectric.in.
Worldwide export available — UAE, Singapore, UK, USA, Sri Lanka & more. Contact +91 94814 00316 for bulk pricing and international shipping.

🔗 Compatible Products & Accessories

The following genuine accessories and compatible devices are designed to work with this product. Contact myelectric.in for pricing and availability:

LA9G3650LA9G3704LA9G82LAD7305LAD703BLAD703FLAD703M

❓ Frequently Asked Questions

Q: What motor HP/kW is covered by the 225 A setting on the LR9G225?

A: The 225 A current range covers motors with full-load current (FLC) within that band. Set the overload relay to the motor’s nameplate FLC — not the maximum of the range — to ensure correct trip time and avoid nuisance tripping on motor starting inrush.

Q: Does the LR9G225 provide single-phase (phase loss) protection?

A: Schneider Electric thermal overload relays include single-phase sensitivity: if one phase is lost, the remaining phases carry higher current, causing the bimetal to heat and trip within the specified time. For critical motors, add a dedicated phase-loss relay for faster response independent of load — overload relay phase-loss protection is load-dependent and may take minutes to trip at light load.

Q: How do I set the LR9G225 to protect a motor without causing nuisance trips on starting?

A: Set the thermal overload dial to the motor’s nameplate full-load current (FLC) — ensure the FLC is within the 225 A range of this relay. For star-delta starters, set the overload relay to 58% of motor FLC (line current in delta = FLC × 0.58). Allow 10 trips for the relay’s thermal memory to stabilise before adjusting the setting.

Q: What is the difference between an Overload Relay and a standard MCB — and why use the LR9G225?

A: A standard MCB protects against overload and short-circuit only. An Overload Relay provides thermal overload protection calibrated to motor FLC, protecting the motor from sustained overloads that would destroy windings before a standard MCB trips. Choose the LR9G225 when the application specifically requires overload relay characteristics.