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发布日期:2021年04月11日
Products > Test Sets

Secondary Injection Test Sets

AC-PRO® and AC-PRO-II Test Set®

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AC-PRO on a GE AK-25 Breaker The Model B-292 Secondary Injection Test Set is a single-phase test set specifically designed for testing the operation of the AC-PRO® and AC-PRO-II® micro-controller based trip units manufactured by Utility Relay Co. The test set can test pick-up and time delays of the various protection functions by driving current into the trip unit on the secondary side of the CT circuit. The test set will test 60, 50, 40 or 25 Hertz AC-PRO® trip units. (The AC-PRO-II® can be set for either 50 Hertz or 60 Hertz). The test set will test the AC-PRO® or AC-PRO-II® trip system with the exception of the CTs and associated wiring harness.

Specifications:

  • Dimensions: 22.1” L X 17.9” W X 10.4” H
    (560 mm L X 455mm W X 265mm H)
  • 40 lbs (18.1 kg)
  • Power Requirement: 120V, 3A
  • Current Output: Single-phase, 0 -13A.
  • Frequency: 25, 40, 50 or 60 Hertz.
  • Current Display: 0.01 Amp Resolution
  • Time Display: 0.01 Second Resolution
  • Ultra high impact polypropylene shell.
  • Chemical-Resistant
  • Corrosion-Resistant
  • Crush-Proof

 

 


AC-PRO-MP® and AC-PRO-MP-II Test Set®

AC-PRO on a GE AK-25 BreakerAC-PRO on a GE AK-25 Breaker The Model B-291-MP secondary injection test set is a single-phase test set specifically designed for testing the operation of the
AC-PRO-MP family of microcontroller based trip units manufactured by Utility Relay Co. The B-291-MP test set can test pick-up and time delays of the various protection functions by driving current into the
AC-PRO-MP and AC-PRO-MP-II on the secondary side of the CT circuit. This test set supports AC-PRO-MP and AC-PRO-MP-II trip units programmed for 60 or 50 Hertz operation. The test set will test the
AC-PRO-MP and AC-PRO-MP-II trip system with the exception of the CTs and associated wiring harness.

Specifications:

  • Dimensions: 22.1” L X 17.9” W X 10.4” H
    (560 mm L X 455mm W X 265mm H)
  • 40 lbs (18.1 kg)
  • Power Requirement: 120V, 3A
  • Current Output: Single-phase, (up to 40xCT rating)
  • Frequency: 50 or 60 Hertz.
  • Current Display: 0.01 x CT Rating Resolution
  • Time Display: 0.01 Second Resolution
  • Ultra high impact polypropylene shell.
  • Chemical-Resistant
  • Corrosion-Resistant
  • Crush-Proof

 

 


ZERO-Hertz Test Set®

AC-PRO on a GE AK-25 BreakerAC-PRO on a GE AK-25 Breaker The Model B-290 test set is specifically designed for secondary injection testing of the ZERO-Hertz DC trip unit. Pick-up and multiple points on the time-current curves can be quickly tested using this test set. The test set can perform pick-up and time delay trip tests for either the transducer inputs or the shunt inputs depending on the model ZERO-Hertz DC trip unit. The ZERO-Hertz DC trip unit is micro-controller based and includes a 16-character liquid crystal display (LCD). The trip unit provides the following protection functions:

  • Long Time (LT)
  • Short Time (ST)
  • Instantaneous (I)
  • Ground Fault (GF) (Transducer input only)
  • Reverse Current (RC)

Specifications:

  • Case Information: 8 x 8 x 16 inches
  • Weight: 8 lbs (3.6 kg)
  • Power Requirement: 120 VAC, 1 AMP
  • Time Display: .001 second resolution LCD Time Display with Reset
  • Transducer Input with current direction switch
  • Shunt Input with current direction switch