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

Описание продукта

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.

Стандартные функции

• 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.

Технические характеристики

Параметр	Ценить
Производитель	Шнайдер Электрик
Модель	LR9G225C
Ряд	TeSys Giga / TeSys LRG
Тип продукта	Electronic Thermal Overload Relay
Диапазон регулировки тепловой защиты	57…225 A
Класс поездки	Class 5E / 10E / 20E / 30E (selectable, IEC 60947-4-1)
Номинальное рабочее напряжение (Ue)	1000 V AC, 50/60 Hz
Control Circuit Voltage (Uc)	24…500 V AC, 50/60 Hz / 24…250 V DC
Частота сети	30…60 Hz / 100 Hz
Порог срабатывания	1.125 ± 0.07 × In (IEC 60947-4-1)
Вспомогательные контакты	1 НО + 1 НЗ
Обычный тепловой ток (Ith)	5 А
Номинальное импульсное выдерживаемое напряжение (Uimp)	8 кВ
Категория перенапряжения	III
Built-in Protections	Ground fault, phase imbalance/failure, single-phase load
Габариты (В × Ш × Г)	107 mm × 105 mm × 126 mm
Вес нетто	0.9 kg
Совместимые контакторы	LC1G115, LC1G150, LC1G185, LC1G225 (direct mounting)
Стандарты	IEC 60947-4-1, UL 60947-4-1; ATEX certified