Data sheet
Circuit breakers / Manual motor starters
Type CTI 15
Circuit breakers/Manual motor starters CTI 15 cover the power ranges 0.09 – 7.5 kW
This product range is modular, flexible, and offers a large selection of clip-on auxiliary functions and accessories: auxiliary contact blocks, shunt releases, connection terminal, bus bars and enclosures.
Features |
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Short-circuit protection: |
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An advanced and fast reacting contact system |
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with arc-control devices give CTI high |
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short-circuit break capability which makes |
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them very suitable for the protection of |
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electrical panels. |
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Indicating functions: |
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–– condition (ON or OFF) |
•Supply isolation:
––operation switch (manual motor starter)
––isolation switch (with locking device)
––emergency stop switch (with undervoltage trip)
© Danfoss | DCS (az) | 2018.02 |
IC.PD.C00.C4.02 | 1 |
Data sheet | Circuit breakers / Manual motor starters, Type CTI 15
Ordering
CBI-NO / CBI-NC
Auxiliary contact block
CBI-11
Auxiliary contact block
CBI-UA / CBI-AA
Undervoltage trip/ Shunt trip
Enclosure BXI
For CTI 15
CTT 25
Terminal block
Circuit breakers/Manual motor starters CTI 15
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AC-3 load Ue |
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Range |
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Electromagnetic |
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Type |
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380 – 415 V |
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Motor starter |
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trip current |
Code no. |
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[kW] |
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[A] |
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[A] |
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0.09 |
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0.25 – 0.4 |
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4.4 |
047B3051 |
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0.12 |
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0.4 – 0.63 |
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6.9 |
047B3052 |
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0.37 |
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0.63 – 1.0 |
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11 |
047B3053 |
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0.55 |
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1.0 – 1.6 |
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18 |
047B3054 |
CTI 15 |
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0.75 |
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1.6 – 2.5 |
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28 |
047B3055 |
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1.5 |
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2.5 – 4.0 |
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44 |
047B3056 |
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2.5 |
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4.0 – 6.3 |
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69 |
047B3057 |
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5.5 |
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6.3 – 10 |
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110 |
047B3058 |
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7.5 |
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10 – 16 |
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176 |
047B3059 |
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12.5 |
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20 – 25 |
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275 |
047B3060 |
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Description |
Comments |
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Code no. |
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Auxiliary contact blocks for building in |
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CBI-NO (make) terminal 13 – 14 |
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047B3040 |
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Auxiliary contact blocks |
CBI-NO (make) terminal 23 – 24 |
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047B3041 |
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for CTI 15 |
CBI-NC (break) terminal 11 – 12 |
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047B3042 |
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Auxiliary contact blocks for lefthand mounting |
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CBI-11 (1 make + 1 break), terminal 13 – 14, 21 – 22 |
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047B3049 |
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Undervoltage |
Undervoltage trip for righthand mounting |
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for CTI 15 |
CBI-UA 220 – 230 V, 50 Hz – 254 V, 60 Hz, D1 – D2 |
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047B3061 |
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Shunt trip |
Shunt trip for righthand mounting |
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for CTI 15 |
CBI-AA 220 – 230 V, 50 Hz – 254 V, 60 Hz, C1 – C2 |
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047B3067 |
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Terminal block for CTI 15 |
For mounting direct on |
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CTI 15, max. 16 mm², CTT 25 |
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047B3076 |
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For parallel connection fo CTI 15 in panel |
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CTS 45-2 (2 x 45 mm) |
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047B3084 |
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CTS 45-3 (2 x 45 mm) |
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047B3096 |
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CTS 45-4 (2 x 45 mm) |
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047B3085 |
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Bus bars |
CTS 45-5 (2 x 45 mm) |
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047B3086 |
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for CTI 15 |
For CTI 15 with auxiliary contact mounted on side |
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CTS 54-2 (2 x 54 mm) |
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047B3087 |
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CTS 54-3 (3 x 54 mm) |
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047B3097 |
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CTS 54-4 (4 x 54 mm) |
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047B3088 |
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CTS 54-5 (5 x 54 mm) |
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047B3089 |
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Plastic enclosures for circuit breakers/manual motor starters CTI 15 (IP55) |
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Type 1) 2) |
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Application |
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Pushbuttons |
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Knockouts |
Code no. |
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BXI 55 |
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CTI 15 |
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Start-Stop/reset |
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4 Pg 16 / 4 Pg 21 |
047B3091 |
1) With neutral and earth terminals
2) The enclosure also leaves space for a shunt release or an undervoltage release
CTS 54-
Bus bar
© Danfoss | DCS (az) | 2018.02 |
IC.PD.C00.C4.02 | 2 |
Data sheet | Circuit breakers / Manual motor starters, Type CTI 15
Contact symbols and |
Circuit breakers |
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terminal markings |
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Circuit breakers CTI 15 |
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Under voltage trip for CTI 15 CBI-UA |
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Shunt trip for CTI 15 CBI-AA |
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Auxiliary contacts for CTI 15 CBI-NO, CBI-NC |
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Auxiliary contacts for CTI 15 CBI-11
Approvals |
Approval |
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authority |
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089 |
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Product type |
<![if ! IE]> <![endif]>EN 60947 |
<![if ! IE]> <![endif]>EAC |
<![if ! IE]> <![endif]>UL-listed USA |
<![if ! IE]> <![endif]>LLC CDC TYSK |
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CTI 15 |
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CTS- |
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– |
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CTT 25 |
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– |
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CBI- |
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– |
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••Approved |
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© Danfoss | DCS (az) | 2018.02 |
IC.PD.C00.C4.02 | 3 |
Data sheet | Circuit breakers / Manual motor starters, Type CTI 15 |
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General data |
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Parameters |
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Type |
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CTI 15 |
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Isolation voltage |
IEC, cULus |
690 V |
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Pulse voltage |
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6 kV |
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Rated frequency range |
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40 – 60 Hz |
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Ambient temperature |
Storage/transport |
-25 °C – 80 °C |
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Operation |
-25 °C – 60 °C |
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Temperature compensated |
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-20 °C – 60 °C |
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Weather resistance |
(IEC 68) Temp. / rel. humidity |
40 °C, 92% RH: 56 days |
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Temperate climate |
23 °C, 83% RH/40 °C, 93% RH |
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Vibration (IEC 68) (all directions) |
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>7,5 g, 10 – 150 Hz |
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Shock (IEC 68-2-27) |
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30 g, 20 ms |
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Degree of protection |
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IP20 |
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Installation orientation |
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Any direction |
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Rated current |
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0.25 – 16 A |
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Release range |
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9 |
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Differential release |
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no |
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Magnetic trip (IeF max. = setting range max. value) |
11 x IeFmax |
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No. of operations per hour |
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30 |
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Mechanical life (operations) |
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100.000 |
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Electrical life (operations) |
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50.000 |
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Release time on short-circuiting |
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2 ms |
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Power loss, typical |
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7 W |
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Mounting direction
CTI 15
Max. motor load
AC-2 and AC-3 operation
The table contains kW values of rated motor sizes according to IEC 60072 which fits to the current range of the circuit breaker.
Sometimes more than one rated current fits to the range. In such cases both values are given and they are valid for AC-2 as well as for AC-3.
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Setting range |
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Motor on operating voltage - Rated output in kW |
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Type |
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230 – 240 V |
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400 – 415 V |
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500 V |
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690 V |
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[A] |
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[kW] |
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[kW] |
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[kW] |
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[kW] |
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0.25 – 0.4 |
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– |
0.09 |
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0.12 |
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– |
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– |
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0.4 – 0.63 |
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0.06 |
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0.09 |
0.12 |
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0.18 |
0.18 |
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0.25 |
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0.25 |
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0.37 |
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0.63 – 1.0 |
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0.12 |
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0.18 |
0.18 |
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0.25 |
0.25 |
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0.37 |
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0.37 |
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0.55 |
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1.0 |
– 1.6 |
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0.18 |
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0.25 |
0.37 |
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0.55 |
0.55 |
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0.75 |
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0.75 |
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1.1 |
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CTI 15 |
1.6 |
– 2.5 |
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0.37 |
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0.55 |
0.75 |
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1.1 |
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1.1 |
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1.5 |
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1.8 |
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2.5 |
– 4.0 |
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0.55 |
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0.75 |
1.1 |
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1.8 |
1.5 |
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2.2 |
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2.2 |
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3.0 |
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4.0 |
– 6.3 |
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1.1 |
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1.5 |
1.8 |
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3.0 |
3.0 |
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3.7 |
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3.7 |
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4.0 |
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6.3 – 10 |
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1.8 |
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2.2 |
3.0 |
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4.0 |
3.7 |
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6.3 |
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5.5 |
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7.5 |
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10 |
– 16 |
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3.0 |
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4.0 |
5.5 |
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7.5 |
6.3 |
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10 |
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10 |
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13 |
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Accessories for circuit breaker CTI 15 |
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Max. load on supply block, current limiter, connection terminal and bus bar. |
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Type |
Application |
Description |
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Thermal current Ith |
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Voltage supply |
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[A] |
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[V] |
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CTT 25 |
CTI 15 |
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Connection terminal |
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63 |
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690 |
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CTS- |
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Bus bars |
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63 |
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690 |
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© Danfoss | DCS (az) | 2018.02 |
IC.PD.C00.C4.02 | 4 |