Megger MS-2A斷路器及過流繼電器測試設(shè)備

MS-2A是獨立的測試設(shè)備，高電流輸出功能和控制功能集成在同一臺機器上。該儀器可測試熱、磁及固態(tài)電機過載繼保儀器、斷路器、接地故障跳閘器件和過流繼保儀器。

MS-2A可測試過流繼電保護的動作延時和等級為125A的電機過載保護和模塊化斷路器。如果需要測試一個瞬間跳閘的設(shè)備，*高輸出電流可以達(dá)到750A。重量輕、便攜的初級電流注入測試儀
過流繼電器測試
NEC 230.95的接地故障性能測試
斷路器測試

Megger MS-2A斷路器及過流繼電器測試設(shè)備

DESCRIPTION
The Megger MS-2A test set is used around the world by
several thousand utility companies, industrial plants and
electrical service organizations.
Model MS-2A is a self-contained test set that incorporates a
variable high-current output and appropriate control
circuitry and instrumentation for testing thermal, magnetic
or solid-state motor overload relays, molded-case circuit
breakers, ground-fault trip devices and overcurrent relays.
APPLICATIONS
Model MS-2A is capable of testing the time-delay
characteristics of overcurrent relays, motor overload relays
and molded-case circuit breakers rated up to 125 amperes,
when following the recommended test procedure of testing
the time delay of these devices at three times their rating.
Higher currents are available for the short durations
required to test an instantaneous trip element. For
example, the test set will provide a maximum shortduration output of 750 amperes through a typical,
125 ampere, molded-case circuit breaker.
The MS-2A is ideal for testing ground fault protection
devises with window CT’s. The NEC 230.95C requires
specific ground fault devices be performance tested when
initially installed.
The MS-2A is commonly used by many utilities and service
organizations as a economical light weight overcurrent
relay test system.