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Capable of handling currents up to 550A at 400V, it excels in controlling motors, pumps, compressors, and heavy machinery. Its silver-nickel alloy contacts ensure minimal wear and arc suppression, achieving up to 1 million mechanical operations under full load. The contactor’s modular design allows effortless integration with overload relays, timers, and surge protection modules, reducing downtime during maintenance. Compliant with IEC/EN 60947-4-1 standards, it operates reliably in temperatures from -25°C to +60°C and withstands vibrations up to 5g, making it ideal for mining, manufacturing, and energy sectors.
· Heavy-Duty Construction: Reinforced stainless steel springs and dust-proof housing for harsh environments.
· Energy-Saving Coil: Reduces power consumption by 40% compared to traditional models.
· Diagnostic LEDs: Visual indicators for coil activation, contact wear, and fault alerts.
· Quick-Connect Terminals: Tool-free wiring clamps accelerate installation and reduce human error.
· Cross-Platform Compatibility: Works with Siemens SIRIUS modular system components for scalable solutions.
Deployed in assembly lines, CNC machines, HVAC systems, and water treatment plants, the 3TF47 ensures reliable motor starts/stops and load switching. It is indispensable in oil refineries, where explosion-proof certifications (ATEX/IECEx) guarantee safe operation in volatile atmospheres.
Q: How to troubleshoot contact welding?
A: Use the diagnostic LED to identify overcurrent events; replace contacts and install a compatible overload relay.
Q: Can it switch capacitive loads?
A: Yes, but derate the current by 20% when handling capacitors or transformers.
Q: What’s the lead time for replacements?
A: Global stock availability ensures delivery within 3-5 business days for urgent orders.
Type | Rated thermal current (A) | Rated operation current (A) | Controllable power for motor (kW) | Type of auxiliary contact | ||||
AC-3 | AC-4 | |||||||
380V | 660V | 380V | 660V | 380V | 660V | |||
3TF40 | 20 | 9 | 7 | 4 | 5.5 | 1.4 | 2.4 | NO NC 1NO+1NC 2NO+2NC |
3TF41 | 20 | 12 | 8.5 | 5.5 | 7.5 | 1.9 | 3.3 | |
3TF42 | 30 | 16 | 12.5 | 7.5 | 11 | 3.5 | 6 | |
3TF43 | 30 | 22 | 16.5 | 10 | 15 | 4 | 6.6 | |
3TF44 | 55 | 32 | 24 | 15 | 22 | 7.5 | 13 | |
3TF45 | 55 | 86 | 24 | 18.5 | 22 | 9 | 15.5 | |
3TF46 | 80 | 45 | 40 | 22 | 37 | 12 | 20.8 | |
3TF47 | 80 | 63 | 60 | 30 | 55 | 14 | 24.3 | 2NO+2NC 4NO+4NC |
3TF48 | 100 | 75 | 60 | 37 | 55 | 17 | 29.5 | |
3TF49 | 100 | 85 | 80 | 45 | 75 | 21 | 36 | |
3TF50 | 160 | 110 | 95 | 55 | 90 | 27 | 46.9 | |
3TF51 | 160 | 140 | 120 | 75 | 110 | 35 | 60 | |
3TF52 | 200 | 170 | 160 | 90 | 150 | 38 | 66 | |
3TF53 | 210 | 205 | 165 | 110 | 160 | 50 | 86 | |
3TF54 | 300 | 250 | 230 | 132 | 220 | 58 | 100 | |
3TF55 | 300 | 300 | 260 | 160 | 250 | 66 | 114 | |
3TF56 | 400 | 400 | 380 | 200 | 335 | 81 | 140 | |
3TF58 | 630 | 630 | 600 | 335 | 500 | 160 | 278 | |
Capable of handling currents up to 550A at 400V, it excels in controlling motors, pumps, compressors, and heavy machinery. Its silver-nickel alloy contacts ensure minimal wear and arc suppression, achieving up to 1 million mechanical operations under full load. The contactor’s modular design allows effortless integration with overload relays, timers, and surge protection modules, reducing downtime during maintenance. Compliant with IEC/EN 60947-4-1 standards, it operates reliably in temperatures from -25°C to +60°C and withstands vibrations up to 5g, making it ideal for mining, manufacturing, and energy sectors.
· Heavy-Duty Construction: Reinforced stainless steel springs and dust-proof housing for harsh environments.
· Energy-Saving Coil: Reduces power consumption by 40% compared to traditional models.
· Diagnostic LEDs: Visual indicators for coil activation, contact wear, and fault alerts.
· Quick-Connect Terminals: Tool-free wiring clamps accelerate installation and reduce human error.
· Cross-Platform Compatibility: Works with Siemens SIRIUS modular system components for scalable solutions.
Deployed in assembly lines, CNC machines, HVAC systems, and water treatment plants, the 3TF47 ensures reliable motor starts/stops and load switching. It is indispensable in oil refineries, where explosion-proof certifications (ATEX/IECEx) guarantee safe operation in volatile atmospheres.
Q: How to troubleshoot contact welding?
A: Use the diagnostic LED to identify overcurrent events; replace contacts and install a compatible overload relay.
Q: Can it switch capacitive loads?
A: Yes, but derate the current by 20% when handling capacitors or transformers.
Q: What’s the lead time for replacements?
A: Global stock availability ensures delivery within 3-5 business days for urgent orders.
Type | Rated thermal current (A) | Rated operation current (A) | Controllable power for motor (kW) | Type of auxiliary contact | ||||
AC-3 | AC-4 | |||||||
380V | 660V | 380V | 660V | 380V | 660V | |||
3TF40 | 20 | 9 | 7 | 4 | 5.5 | 1.4 | 2.4 | NO NC 1NO+1NC 2NO+2NC |
3TF41 | 20 | 12 | 8.5 | 5.5 | 7.5 | 1.9 | 3.3 | |
3TF42 | 30 | 16 | 12.5 | 7.5 | 11 | 3.5 | 6 | |
3TF43 | 30 | 22 | 16.5 | 10 | 15 | 4 | 6.6 | |
3TF44 | 55 | 32 | 24 | 15 | 22 | 7.5 | 13 | |
3TF45 | 55 | 86 | 24 | 18.5 | 22 | 9 | 15.5 | |
3TF46 | 80 | 45 | 40 | 22 | 37 | 12 | 20.8 | |
3TF47 | 80 | 63 | 60 | 30 | 55 | 14 | 24.3 | 2NO+2NC 4NO+4NC |
3TF48 | 100 | 75 | 60 | 37 | 55 | 17 | 29.5 | |
3TF49 | 100 | 85 | 80 | 45 | 75 | 21 | 36 | |
3TF50 | 160 | 110 | 95 | 55 | 90 | 27 | 46.9 | |
3TF51 | 160 | 140 | 120 | 75 | 110 | 35 | 60 | |
3TF52 | 200 | 170 | 160 | 90 | 150 | 38 | 66 | |
3TF53 | 210 | 205 | 165 | 110 | 160 | 50 | 86 | |
3TF54 | 300 | 250 | 230 | 132 | 220 | 58 | 100 | |
3TF55 | 300 | 300 | 260 | 160 | 250 | 66 | 114 | |
3TF56 | 400 | 400 | 380 | 200 | 335 | 81 | 140 | |
3TF58 | 630 | 630 | 600 | 335 | 500 | 160 | 278 | |
