Schneider 33595 FFTK

The Schneider 33595 FFTK is a cutting-edge full-function test kit designed for rigorous testing of circuit breakers and trip units. Equipped with an independent signal-injection box, it can operate standalone or alongside a supporting PC, providing exceptional flexibility for various testing requirements. Its broad compatibility with Micrologic, NT, STR, and Masterpact trip units ensures suitability across a wide range of electrical systems. The FFTK enables vital testing procedures such as mechanical operation checks, electrical continuity verification, and trip unit functionality assessments.

Additionally, it supports automatic and manual protection function tests, including trip curve verification and Zone-Selective Interlocking (ZSI) testing. It also includes features for ground-fault protection inhibition and thermal imaging deactivation, allowing for comprehensive tests. For convenience, the device can store test data directly, ensuring results are accessible for future reference.

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• Compatible with Micrologic, NT, STR and Masterpact trip units.
• Operable independently or with a supporting PC.
• Enables mechanical and electrical operation checks of circuit breakers.
• Provides automatic/manual tests for protection functions.
• Facilitates trip curve verification for circuit breakers.
• Tests Zone-Selective Interlocking (ZSI) functions.
• Allows inhibition of ground-fault protection during tests.
• Supports the inhibition of thermal imaging in tests.
• Features data storage capability for test results.
• Software compatible with Windows 95, 98 and NT.

Nominal Operating Voltage: 115–230 Vac
Operating Voltage Range: 102–144 Vac 207–253 Vac
Operating Frequency: 50 Hz 60 Hz Operating
Operating Temperature: -20–50 °C
Storage Temperature: -20–60 °C
Installation Category (Overvoltage Category): Category II
Maximum Power Rating: 100 W

Configure Circuit Breaker Parameters

Parameters selected on the Configure Circuit Breaker Parameters screen determine the type and magnitude of the fault to be injected into the circuit breaker during the secondary injection test. Values must be selected for all parameters on the Configure Circuit Breaker Parameters screen before advancing to the next screen.

• TRIP UNIT FAMILY: select trip unit family
• TRIP UNIT TYPE: select the trip unit type
• STANDARD: Choose the electrical standard for the circuit breaker (UL, IEC, ANSI or CCEE)
• BREAKER FAMILY: select circuit breaker family (Compact, Masterpact or PowerPact)
• BREAKER TYPE: select type of circuit breaker (NS, NSJ, ET, NT, NW, M, P or R)

Secondary Injection Testing:

• Parameter values displayed in reverse video either have only one available option that cannot be altered or are automatically determined by means of communication between the Full-Function Test Kit and a communicating trip unit. For all trip units, the Full-Function Test Kit identifies trip unit family/type by connecting a two-pin or seven-pin test cable. For communicating Micrologic trip units (see Table 2), the Full-Function Test Kit identifies the sensor plug value and all available pickup and delay settings for LSIG protection for the device being tested. In addition to reading these values, the Full-Function Test Kit can read BREAKER FAMILY, BREAKER TYPE, INTERRUPT RATING and STANDARD for Micrologic P and H trip units if these trip units have been properly configured.
• Verify the values for the device parameters are correct before continuing with the test. The Full-Function Test Kit records values entered from previous secondary injection tests performed.
• For Micrologic trip units, the circuit breaker will be ZSI self-restrained for both equipment ground fault and short-time protection during secondary injection testing.
• The contact wear counter on Micrologic P and H trip units will not increment during secondary injection testing.
• All advanced protections, logging of trips, logging of alarms and activation of alarms are disabled during secondary injection testing for Micrologic P and H trip units. Refer to the trip unit instruction bulletin for more information on these functions.
• The Full-Function Test Kit cannot disable thermal imaging on non-communicating trip units (see Table 2). Therefore, a fifteen-minute delay must be observed from the last long-time trip test performed until the next long-time trip test performed.
• The SDE counter, located in the circuit breaker communication module (BCM), will increment each time a circuit breaker opens due to a fault secondary injected by the Full-Function Test Kit. Refer to the trip unit instruction bulletin for more information regarding this condition.
• The Full-Function Test Kit will only test residual equipment ground-fault protection. Systems using modified differential ground fault (MDGF) and ground source return cannot be tested.
• For Micrologic 7.0A, 7.0H and 7.0P trip units, the Full-Function Test Kit cannot test earth leakage pickup and delay (VIGI) protection. The Full-Function Test Kit will only test the LSI protection functions of the circuit breaker.
• For Micrologic A trip units, performing a secondary injection test will reset to zero, the maximum recorded value on each phase. If necessary, record maximum values before testing.

• Ensures accurate and reliable circuit breaker testing to maintain system safety and compliance.
• Reduces downtime during maintenance with portable and adaptable design.
• Provides a hands-on tool for diagnosing, troubleshooting, and validating trip unit performance.
• Stores valuable test data for streamlined documentation and future evaluations.
• Ideal for professionals and institutions, offering flexibility across diverse applications.

• Electrical system maintenance — The FFTK accurately checks and verifies the mechanical operations and electrical continuity in circuit breakers, ensuring reliable and safe operation in industrial and commercial settings.
• Quality control in manufacturing — This device is widely used in manufacturing quality control, particularly for producing electrical panels and circuit breakers. It tests trip units for proper functionality, safeguarding against manufacturing defects and ensuring compliance with safety standards.
• Educational and training institutions — The Schneider 33595 FFTK is a valuable tool in educational settings for teaching advanced electrical engineering concepts. Students and trainees can gain hands-on experience testing and diagnosing circuit breakers, enhancing their practical understanding of electrical safety and circuitry.
• Field Service and Repair — This device is essential for field service engineers and technicians, providing on-site diagnostics and repairs. The FFTK’s portability and comprehensive testing capabilities make it an effective tool for troubleshooting and repairing complex electrical systems in various field environments.