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| Danfoss CTI MB, Circuit breakers with built-in current limiter
The Danfoss CTI product range is modular, flexible and offers a large selection of clip-on auxiliary functions and accessories: Aux. contacts, alarm contacts, voltage- and under-voltage trips.
• Compact design
• Screw or DIN rail mounting
• Motor application
• Overload protection of motors (4-22 kW)
• Short-circuit protection
• High breaking capacity
• Setting range 1.6-45A
• Operation switch (manual motor starter)
• Isolation switch (with locking device)
• Emergency switch (with under-voltage trip)
• Indications:
• Test and reset functions
• ON or OFF
• Thermal and electromagnetic trip
Features
• Overload protection and short circuit protection of motor installations.
• Test function for thermal trip
• Manual reset function
• Indication for thermal trip
• Indication for magnetic trip (short circuiting)
• Single phase protection (Differential trip)
• Temperature compensated (-20 0C to + 60 0C)
• Tripping class 10
Approvals
GL-Germanischer Lloyd Current limiter, CTL 65
GL-Germanischer Lloyd Circuit breaker, CTI 25
UL-Underwriters Laboratories inc. Circuit breaker, CTI 16T;CTI 20TB;CTI 25M;CTI 25MB;CTI 25S;CTI 25SB;CTI 32TB;CTI 45MB;CTI 45SB
Code number selection
Code no. Type Current range (A) Max load AC-3 (kW) Max trip current (A) Breaking cap.Ics 380-415V
047B3153 CTI 25MB 1,60 - 2,50 A 0,75 kW 33,0 A 100 kA
047B3154 CTI 25MB 2,50 - 4,00 A 1,50 kW 52,0 A 100 kA
047B3155 CTI 25MB 4,00 - 6,30 A 2,20 kW 82,0 A 100 kA
047B3156 CTI 25MB 6,30 - 10,00 A 4,00 kW 130,0 A 100 kA
047B3157 CTI 25MB 10,00 - 16,00 A 7,50 kW 208,0 A 50 kA
047B3158 CTI 25MB 14,50 - 20,00 A 10,00 kW 260,0 A 25 kA
047B3159 CTI 25MB 18,00 - 25,00 A 11,00 kW 325,0 A 25 kA
047B3160 CTI 45MB 6,30 - 10,00 A 4,00 kW 130,0 A 50 kA
047B3163 CTI 45MB 18,00 - 25,00 A 11,00 kW 325,0 A 50 kA
047B3164 CTI 45MB 23,00 - 32,00 A 15,00 kW 416,0 A 50 kA
047B3165 CTI 45MB 32,00 - 45,00 A 22,00 kW 585,0 A 50 kA
Click to View Danfoss CTI MB technical 
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