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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	Type	Current range [A]	Max. load, AC-3 [kW]	Max. trip current [A]	Breaking cap. Ics 380 - 415 V
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

 

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