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The CT-3500 S2 is Vanguard’s second generation, stand-alone, digital, microprocessor-controlled, circuit-breaker timer. It measures the elapsed time from the instant a breaker coil is energized to the instant of opening or closing of a circuit-breaker’s dry contacts. In addition to timing a breaker’s contact response time, the CT-3500 S2 can also time relays or other switching functions that use an initiating trigger voltage (24-300 Volts DC or AC). The timer-triggering voltage starts three independent electronic timers. Each timer is individually stopped by its respective dry-contact closing or opening. The CT-3500 can fully analyze the timing of all circuit breaker operations (Open, Close, Open – Close, and Close – Open). Timing results are displayed in milli-seconds and cycles on the unit’s back-lit LCD screen and can be printed on the built-in 2.5-inch wide thermal printer.

• Detect Main & Insertion Resistor Contacts on same input
• USB computer interface
• USB Flash drive interface (Flash drive not included)
• Store 128 test records internally
• Initiate Breaker Operation
• Built-in 2.5" wide Thermal Printer
• Rugged "QWERTY" style membrane keypad

CT-3500 S2	Cables
Cable Part Number [8000-0005] USB Cable [ 6' (1.83m) ] 8000-0005 [8000-0016] Power + Ground Combination Cable 8000-0016 [8000-0095] Contact Extension Cable [ 30' (9.14m) ] 8000-0095 [8000-0096] Contact Test Lead [ 20' (6.10m) ] 8000-0096 [8000-0098] Trigger Cable [ 15' (4.57m) ] 8000-0098

CT-3500 S2	Technical Specifications
TYPE Portable circuit-breaker analyzer PHYSICAL SPECIFICATIONS 16”W x 7”H x 13” D (40.6 cm x 17.4 cm x 33 cm); Weight: 14 lbs. (6.4 Kg) INPUT POWER 100 - 240 Vac, 50/60 Hz DRY-CONTACT INPUTS 3 channels TRIGGER INPUT VOLTAGE open/close: 24 - 300 V, DC or peak AC BREAKER OPERATIONS Open, Close, Open-Close, Close-Open TIMING RESOLUTION ±0.1 millisecond; accuracy: 0.05% of reading ±0.1 ms DISPLAY back-lit LCD screen (128 x 64 pixels); viewable in bright sunlight and low light conditions KEYPAD rugged, 44-key "QWERTY" membrane keypad PRINTER built-in 2.5-inch wide thermal printer INTERNAL TEST RECORD STORAGE stores up to 128 timing records COMPUTER INTERFACE one USB PC interface, one USB Flash drive interface COMPUTER SOFTWARE Windows? based Breaker Analysis software included with purchase price SAFETY designed to meet IEC61010 (1995), UL61010A-1, CSA-C22.2 standards ENVIRONMENT Operating: -10°C to +50°C (+15°F to +122°F) Storage: -30°C to +70°C (-22°F to +158°F) HUMIDITY 90% RH @ 40°C (104°F) non-condensing ALTITUDE 2,000 m (6,562 ft) to full safety specifications CABLES furnished with full set of test leads (inluding 20-foot contact leads and 30-foot contact lead extensions) OPTIONS transportation case WARRANTY one year on parts and labor Specifications are valid at nominal voltage and ambient temperature of +25?C (+77?F).