ABB Tmax MCCBs Selection Guide
Selection Guide
Tmax
MCCBs
T1 1P T1 T2 T3 Ts3
Type Tmax T1 1p Tmax T1 Tmax T2 Tmax T3 Tmax Ts3 Tmax Ts3
Frame size [A] 100 100 100 225 150 225
Number of poles [Nr] 1 3-4 3-4 3-4 2-3-4 2-3-4
Rated voltage AC (50-60Hz) [V] 347 600Y/347 480 600Y/347 600 480
DC [V] 500 500 600 500
Interrupting ratings B N S H N S N H L N H L
240V AC [kA rms]
277V AC [kA rms]
347V AC [kA rms]
480V AC [kA rms]
600Y/347V AC [kA rms] 10 10 10
600V AC [kA rms] 14 14 25
250V DC (2 poles in series) [kA rms] 25 25 35
500V DC (3 poles in series) [kA rms] 25 25 35
500V DC (2 poles in series) [kA rms] 35 50 65 20 35 50
600V DC (3 poles in series) [kA rms] 20 35 50
Trip units TMF
TMD/TMA
ELT
MA
Electronic
Dimensions H [in/mm] 5.12/130 5.12/130 5.12/130 5.9/150 6.7/170 6.7/170
W 3p [in/mm] 1/25.4 3/76 3.54/90 4.13/105 4.13/105 4.13/105
D [in/mm] 2.76/70 2.76/70 2.76/70 2.76/70 4.07/103.5 4.07/103.5
Mechanical life [No. operations] 25000 25000 25000 25000 25000 25000
16
Circuit breakers for power distribution
T1 – Ts3
50 2
18 1
14 1
22 2
■ ■ ■ ■ ■ ■
65 150 50 65 65 100 150 65 100 150
35 65 25 35 25 50
■
■ ■ ■ ■
■
85 5
25 50 65
1 In15A = 10kA@277VAC 10kA@347VAC
2 In15A = 35kA@240VAC 14kA@480Y/277 VAC
3 T5 600 with electronic trip units only and in three pole version
4 2p breakers: available only in N interrupting rating
5 In from 15A up to 30A=65kA@480V AC
16.2 Low Voltage Products & Systems
1SXU000023C0202 ABB Inc. • 888-385-1221 • www.abb.us/lowvoltage
Selection Guide
Circuit breakers for power distribution
T4 – T8
T4 T5 T6 T7 T8
Tmax
MCCBs
Type Tmax T4 Tmax T5 Tmax T6 Tmax T7/T7M
Frame size [A] 250
Number of poles [Nr]
Rated voltage AC (50-60Hz) [V] 600 600 600 600
DC [V] 600 600 600
Interrupting ratings N S H L V N S H L V N S H L S H L V
240V AC [kA rms] 65 100 150 200 200 65 100 150 200 200 65 100 200 200 65 100 150 125
277V AC [kA rms]
347V AC [kA rms]
480V AC [kA rms] 25 35 65 100 150 25 35 65 100 150 35 50 65 100 50 65 100 125
600Y/347V AC [kA rms]
600V AC [kA rms] 18 25 35 65 100 18 25 35 65 100 20 25 35 42 25 50 65 100
250V DC (2 poles in series) [kA rms]
500V DC (3 poles in series) [kA rms]
500V DC (2 poles in series) [kA rms] 25 35 50 65 100 25 35 50 65 100 35 35 50 65
600V DC (3 poles in series) [kA rms] 16 25 35 50 65 16 25 35 50 65 20 20 35 50
Trip units TMF
TMD/TMA
ELT
MA
Electronic
Dimensions H [in/mm] 8.07/205 8.07/205 10.55/268 10.55/268 15 / 382
W 3p [in/mm] 4.13/105 5.51/140 8.26/210 8.26/210 16.8 / 427
D [in/mm] 4.07/103.5 4.07/103.5 4.07/103.5
Mechanical life [No. operations] 20,000 20,000 20,000 10,000 15,000
2-3-4 4 2-3-4 4
■
■ ■ ■
■ ■ ■ ■
400-600 3
800 1000-1200
3-4 3-4
6.06/154 (toggle)
7/178 (motor)
Insulated case
T8
1600, 2000,
2500 & 3000
3
600
11.2 / 282
16
1 In15A = 10kA@277 VAC 10kA@347 VAC
2 In15A = 35kA@240 VAC 14kA@480Y/277 VAC
3 T5 600 with electronic trip units only and in three pole version-
4 2p T4N250 and T5N400 available only in N interrupting capacity.
5 In from 15A up to 30A=65kA@480 VAC
6 Applies to MCS only.
Low Voltage Products & Systems 16.3
ABB Inc. • 888-385-1221 • www.abb.us/lowvoltage 1SXU000023C0202
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