General
Number of switches	1
Max. rated operation voltage Ue AC	750
Rated operating voltage	750
Rated permanent current Iu	125
Rated permanent current at AC-23, 400 V	90
Rated permanent current at AC-21, 400 V	125
Rated short-time withstand current lcw	2.5
Rated operation power at AC-23, 400 V	45
Switching power at 400 V	45
Conditioned rated short-circuit current Iq	50
Number of poles	3
Number of auxiliary contacts as normally closed contact	0
Number of auxiliary contacts as normally open contact	0
Number of auxiliary contacts as change-over contact	0
Device construction	Complete device in housing
Colour control element	Black
Type of control element	Other
Type of electrical connection of main circuit	Screw connection
Degree of protection (IP), front side	IP20
Degree of protection (NEMA)	Other
Colour housing	Grey
Depth	116
Height	100
Material housing	Plastic
Width	160
Version as main switch
Version as maintenance-/service switch
Version as safety switch
Version as emergency stop installation
Version as reversing switch
Motor drive optional
Motor drive integrated
Voltage release optional
Suitable for front mounting 4-hole
Suitable for front mounting centre
Suitable for distribution board installation
Interlockable
Floor mounting

The motor-operated switch disconnectors of the OTM series are unique in their variety and flexibility. The OTM series switches currents from 40 A to 2500 A at voltages of up to 1000 V AC. The maintenance-free motor is available in operating voltages from 110 V to 240 V AC and 24 V DC, depending on the type. To ensure a high level of safety, the motors are protected against overcurrent with a fuse. Thanks to its compact design and simple wiring, the OTM series is suitable for numerous installations that require remote operation. In addition, the switch can be operated manually at any time. The OTM series also has IEC approval. ABB offers you a wide range of accessories for these switches, such as extension shafts, handles, auxiliary switches and terminal covers. The simple handling makes the OTM series an optimal solution for a wide variety of applications.