EOCR EOCR-SS TYPE:60Nราคา3000บาท
- หมวดหมู่ : stock jay
- รหัสสินค้า : 028250
รายละเอียดสินค้า EOCR EOCR-SS TYPE:60Nราคา3000บาท
The Samwha EOCR-SS electronic motor protection relay has been designed to suit most 3 phase motor protection and shearpin applications. Current ranges from 0.5 amps to 60 amps are achieved by just three relays reducing the need for large numbers of spares. Two of the three motor cables are fed through integral current transformers mounted on the body of the relay. Motors up to 600 amps full load current can be protected by using the EOCR-SS-05 relay in conjunction with standard metering class current transformers (5 amp secondary). The secondary of the external current transformers feeds through the integral current transformers. The EOCR-SS has a UL approval for motor protection and is a proven performer as an electronic shear pin. Typical shearpin applications are where small motors in conjunction with high ratio gearboxes are destroyed if a jam occurs. Conventional thermal overload relays may not detect very small changes in motor current which eventually either destroys the motor or causes mechanical damage to the load. The EOCR-SS can be adjusted to look at normal running current for the process and to trip instantaneously if this figure is exceeded. It is simple to install being DIN rail or surface mounting and is comparable in price to thermal overload relays. The relay can be reset either manually or electrically allowing remote reset as standard and is a proven, effective motor overload protector.
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