Complementary
Control type	Push-button
Mounting mode	Fixed
[Ue] rated operational voltage	440 V AC 50/60 Hz conforming to EN/IEC 60947-3
[Ie] rated operational current	2000 A AC 50/60 Hz 440 V
[Ui] rated insulation voltage	1000 V AC 50/60 Hz conforming to EN/IEC 60947-3
[Uimp] rated impulse withstand voltage	12 kV conforming to EN/IEC 60947-3
[Icw] rated short-time withstand current	75 kA during 3 s conforming to EN/IEC 60947-3; 100 kA during 1 s conforming to EN/IEC 60947-3
[Icm] rated short-circuit making capacity	220 kA peak 220/415 V AC at 50/60 Hz; 220 kA peak 440 V AC at 50/60 Hz
Utilisation category	AC-23A; AC-3
Breaking capacity	100 kA Icu at 220/415 V AC 50/60 Hz conforming to EN/IEC 60947-2; 100 kA Icu at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2
[Ics] rated service breaking capacity	100 kA at 220/415 V AC 50/60 Hz conforming to EN/IEC 60947-2; 100 kA at 440 V AC 50/60 Hz conforming to EN/IEC 60947-2
performance level	HH
Suitability for isolation	Yes conforming to EN/IEC 60947-3
Mechanical durability	15000 cycles with periodic preventive maintenance conforming to EN/IEC 60947-3
Electrical durability	AC-23A: 8000 cycles 440 V AC 50/60 Hz conforming to EN/IEC 60947-3; AC-3: 6000 cycles 440 V AC 50/60 Hz conforming to EN/IEC 60947-3
Connection pitch	115 mm
Height	352 mm
Width	422 mm
Depth	300 mm
Contact position indicator
Visible break
Contractual warranty
Warranty (in months)	18
Environment
Net weight	50 kg
Standards	EN/IEC 60947-3
Product certifications	IECEE CB Scheme
IP degree of protection	IP30
Pollution degree	3 conforming to EN/IEC 60947-4-1
Ambient air temperature for operation	-25…70 °C
Ambient air temperature for storage	-40…85 °C
Main
Range	MasterPact
Product or component type	Switch disconnector
Device application	Distribution
Switch-disconnector name	MasterPact MTZ2 20 HH
Poles description	3P
Network type	AC
Network frequency	50/60 Hz
Packing Units
Unit Type of Package 1	PCE
Number of Units in Package 1	1
Package 1 Height	35.2 cm
Package 1 Width	42.2 cm
Package 1 Length	30.0 cm
Package 1 Weight	50.0 kg

MasterPact MTZ is the latest generation of air circuit breakers up to 6300 A, in which advanced digital technologies are integrated. The MasterPact MTZ consists of 3 sizes, MTZ1 from 630 to 1600A, MTZ2 from 800 to 4000A and MTZ3 from 4000 to 6300A. It is available in fixed or withdrawable design, as a circuit breaker or load breaker. The integrated protection and tripping device MicroLogic X can be equipped with a wide range of functions and accessories. MasterPact MTZ2 2000A HH air load breaker making capacity Icm 220kA@440V rated short-time current Icw 100kA(1s) 3-pole basic switch fixed installation without Micrologic X. The MasterPact MTZ can be ordered via the online configurator.