Schneider Electric LR9G225C TeSys Giga Electronic Thermal Overload Relay – 57…225 A, Class 5E–30E, 24…500 V AC/DC Control

Descripción del Producto

The Schneider Electric LR9G225C is an electronic thermal overload relay from the TeSys Giga range, designed for advanced motor protection in industrial applications. It offers a wide thermal protection adjustment range of 57…225 A with selectable trip class 5E, 10E, 20E, or 30E according to IEC 60947-4-1, accommodating diverse motor starting profiles. The relay provides comprehensive built-in protections including ground fault, phase imbalance, phase failure, and single-phase load protection, with adjustable tripping times for alarm circuits. It supports independent mounting or direct assembly onto TeSys Giga contactors LC1G115 to LC1G225 without additional accessories. The control circuit accepts 24…500 V AC or 24…250 V DC, and the rated operational voltage reaches 1000 V AC. With 1 NO + 1 NC auxiliary contacts, LED trip indication, and manual or automatic reset options, the LR9G225C delivers precise, reliable motor protection for demanding industrial and infrastructure applications.

Características estándar

• Wide 57…225 A Thermal Range: Single relay covers a broad current span, reducing inventory requirements and simplifying selection for motors across this power range.
• Selectable Trip Class 5E–30E: User-selectable trip class (5E, 10E, 20E, 30E) according to IEC 60947-4-1 adapts protection to normal, heavy, or severe starting duty.
• Comprehensive Built-in Protections: Integrated ground fault protection (0…1 s adjustable), phase imbalance protection (0…5 s adjustable), phase failure, and single-phase load protection for complete motor safeguarding.
• Direct Mounting on LC1G115–225 Contactors: Assembles directly onto TeSys Giga contactors LC1G115 to LC1G225 without additional fixing accessories, forming a compact starter assembly.
• Wide Control Voltage Range: Control circuit accepts 24…500 V AC at 50/60 Hz or 24…250 V DC, eliminating the need for separate coil voltage variants.
• LED Trip Indication and Reset Options: Mechanical trip indicator shows the cause of fault (overload, ground fault, imbalance, or phase loss), with manual or automatic reset selectable.
• Electronic Thermal Memory: Thermal memory and compensation ensure accurate protection after repeated overloads and across ambient temperature variations.

Especificaciones técnicas

Parámetro	Valor
Fabricante	Schneider Electric
Modelo	LR9G225C
Serie	TeSys Giga / TeSys LRG
Tipo de producto	Electronic Thermal Overload Relay
Rango de ajuste de protección térmica	57…225 A
Clase de viaje	Class 5E / 10E / 20E / 30E (selectable, IEC 60947-4-1)
Tensión nominal de funcionamiento (Ue)	1000 V AC, 50/60 Hz
Control Circuit Voltage (Uc)	24…500 V AC, 50/60 Hz / 24…250 V DC
Frecuencia de la red	30…60 Hz / 100 Hz
Umbral de disparo	1.125 ± 0.07 × In (IEC 60947-4-1)
Contactos auxiliares	1 NA + 1 NC
Corriente térmica convencional (Ith)	5 A
Tensión nominal soportada al impulso (Uimp)	8 kV
Categoría de sobretensión	III
Built-in Protections	Ground fault, phase imbalance/failure, single-phase load
Dimensiones (alto × ancho × profundidad)	107 mm × 105 mm × 126 mm
Peso neto	0.9 kg
Contactores compatibles	LC1G115, LC1G150, LC1G185, LC1G225 (direct mounting)
Normas	IEC 60947-4-1, UL 60947-4-1; ATEX certified