Moulded Case Circuit Breakers Ex9M with SU20L type of smart unit are intended for applications in power
distribution mainly. Testing according to IEC / EN 60947-2 standards ensures the functionality and reliability
for wide variety of applications including isolation.

Moulded Case Circuit Breakers Ex9M with SU20L type of smart unit are intended for applications in power
distribution mainly. Testing according to IEC / EN 60947-2 standards ensures the functionality and reliability
for wide variety of applications including isolation.

Datasheet Ex9M SU20L

Mounting instruction Ex9M3/Ex9M3SD

Mounting instruction SU20L

EU Declaration of conformity Ex9M3 SU20L

Catalogue MCCBs

Ex9M3P SU20L 400 3P

Type

Rated permanent current Iu [A]

Rated voltage [V]

Rated short-circuit breaking capacity Icu at 400 V, 50 Hz [kA]

Overload release current setting [A]

Adjustment range undelayed short-circuit release [A]

Integrated earth fault protection

Type of electrical connection of main circuit

Device construction

Suitable for DIN rail (top hat rail) mounting

DIN rail (top hat rail) mounting optional

Switched-off indicator available

With under voltage release

Number of poles

Position of connection for main current circuit

Type of control element

Complete device with protection unit

Motor drive integrated

Motor drive optional

Degree of protection (IP)

Type	Electronic - DIP
Rated permanent current Iu [A]	400
Rated voltage [V]	415 - 690
Rated short-circuit breaking capacity Icu at 400 V, 50 Hz [kA]	150
Overload release current setting [A]	160-400
Adjustment range undelayed short-circuit release [A]	600-4800
Integrated earth fault protection	Nie
Type of electrical connection of main circuit	Screw connection
Device construction	Built-in device fixed built-in technique
Suitable for DIN rail (top hat rail) mounting	Nie
DIN rail (top hat rail) mounting optional	Nie
Switched-off indicator available	Nie
With under voltage release	Nie
Number of poles	3
Position of connection for main current circuit	Front side
Type of control element	Rocker lever
Complete device with protection unit	Tak
Motor drive integrated	Nie
Motor drive optional	Tak
Degree of protection (IP)	IP20