Technical Data Bulletin

7-66
© 2020 Schneider Electric
All Rights Reserved
12/2/2020
MasterPact™ Power Circuit Breakers MasterPact™ MTZ Circuit Breakers
www.se.com/us
Class 0614 / Refer to Catalog 0614CT1701
MasterPact MTZ Circuit Breakers
MasterPact MTZ2
800–4000 A
MasterPact MTZ continues the performance and reliability of the MasterPact line.
MasterPact MTZ circuit breakers bring innovation and upgradability throughout the entire
lifecycle, for improved power uptime, business performance, and cost control.
•
Customize MicroLogic X control unit anytime
•
Purchase optional Digital Modules for additional protection, measurement and
maintenance & diagnostic
•
Easy installation using established architectures
•
Demonstrated compliance with standards
•
Smartphone connectivity for wireless alerts and maintenance
•
Built in power meter with Class 1 precision for smart energy metering
Table 7.136: MasterPact MTZ1 Circuit Breaker Ratings
Standard
Frame Rating
Interrupting Code
ANSI C37 Certified/
UL 1066 Listed
UL 489 Listed
800 A 800 A 1200 A
1600 A [1]
N1 N H L1 L
LF [2]
N H L1 L
LF [2]
N H L1 L
Interrupting Current
(kA RMS) 50/60 Hz
240 Vac 42 50 65 100 200 200 50 65 100 200 200 50 65 100 200
480 Vac 42 50 50 65 100 100 50 50 65 100 100 50 50 65 100
600 Vac — 35 50 — — — 35 50 — — — 35 50 N/A N/A
Short-time Withstand Current (kA RMS)
42 35 35 10 10 10 35 35 10 10 10 35 35 10 10
Built-in Instantaneous Override (kA RMS ±10%)
— 40 40 10 10 10 40 40 10 10 10 40 40 10 10
Close and latch rating (kA RMS)
40 25 25 10 10 10 25 25 10 10 10 25 25 10 10
Tested to show the arc flash hazard risk
category as referenced by NFPA70E
— — — — — Yes — — — — Yes — — — —
Breaking time
25–30 ms with no
intentional delay
25–30 ms with no intentional delay (9 ms for L and LF)
Closing time
< 50 ms
Sensor Rating
— — 600–1200 A
800–1600 A
400–800 A 400–800 A —
Endurance Rating (C/O Cycles)
With No Maintenance
Mechanical
12,500 12,500 12,500 12,500
Electrical 2800 2800 2800 2800
Table 7.137: MasterPact MTZ2 and MTZ3 Circuit Breaker Ratings
Standard
Frame Rating
Interrupting Code
ANSI C37 Certified/UL 1066 Listed UL 489 Listed
800–1600 A 2000 A
3200/4000 A [3]
4000/5000 A 800/1200/1600/2000 A 2500/3000 A
4000/5000/
6000 A
N1 H1 H2 H3
L1
[2]
L1F
[2]
H1 H2 H3
L1
[2]
L1F
[2]
H1 H2 H3
L1
[2]
H2 H3
L1
[2]
N H
L [2]
LF
[2]
H
L [2]
H
L [2]
Interrupting
Current
(kA RMS)
50/60 Hz
240 Vac 42 65 85
10-
0
200 200 65 85 100 200 200 65 85 100 200 85 100 200 65 100 200 200 100 200 100 200
480 Vac 42 65 85
10-
0
200 200 65 85 100 200 200 65 85 100 200 85 100 200 65 100 150 150 100 150 100 150
600 Vac 42 65 85 85 130 130 65 85 85 130 130 65 85 85 130 85 85 130 50 85 100 100 85 100 85 100
Short-time Withstand
Current (kA RMS)
42 65 85 85 30 22 65 85 85 30 22 65 85 85 100 85 85 100 42 65
30 [4]
22 65 65 85 100
Built-in Instantaneous
Override
(kA RMS ±10%)
35 35 35 85 35 24 — — 85 35 24 — — 85 117 — — 117 40 40
35 [4]
24 65 65 75 75
Close and latch rating
(kA RMS)
42 65 40 40 25 22 65 40 40 25 22 65 40 40 40 85 75 40 40 40
25 [5]
22 40 40 40 40
Tested to show arc
flash hazard risk
category as referenced
by NFPA70E
— — — — — Yes — — — — Yes — — — — — — — — — — Yes — — — —
Breaking time 25–30 ms with no intentional delay (9 ms for L1, L1F, L and LF)
Closing time
70 ms
Sensor Rating (A)
400–800
800–1600
1000–2000 1600–3200
2000–4000
2500–5000
400–800
600–1200
800–1600
1000–2000
1200–2500
1600–3000
2000–4000
2500–5000
3000–6000
Endurance
Rating (C/O
Cycles)
With No
Mainte-
nance
Mech.
12,500 10,000 10,000
5k
5,000
12,500 [6]
10,000 5,000
Elec. 2800
1,000 1,000
1k
1,000
2800 [6]
1,000 1,000
7
MINIATURE AND MOLDED CASE
CIRCUIT BREAKERS
[1] Fixed mounted only.
[2] Drawout mounted only.
[3] 4000 A standard width circuit breaker is not available in L1 interrupting rating code or drawout construction (fixed mounting only).
[4] 65 kA RMS for 2000 A.
[5] 40 kA RMS for 2000 A.
[6] For 2000 A N/H/L/LF devices, the endurance rating is 10,000 for mechanical and 1000 for electric.