Installation
14
3ZX1012-0RB22-1AA1
En
glish
Ground fault
The relay can optionally be configured for internal ground fault
detection by the 3RB2985-2..1 function expansion module for use
with motors with a 3-wire connection (without neutral connection).
2
Installation
For the dimension drawing, see graphic section
Fig. I
Mounting position: any
Mounting:
7
Snap-on mounting to 35 mm standard mounting rail acc. to
EN 50 022 (
Fig. II
), or to 3RB2906.. current measurement
module or
7
Screw mounting with push-in lugs as accessory (3RP1903,
Fig. III
).
3
Connection
The motor current is measured with the 3RB29.. current measurement
module. The connection of the motor lines is described in the
operating manual 3ZX1012-0RB00-1AA1. The electronic overload
relay is connected with the current measurement module using a
ribbon cable (3RB2987-.) (
Fig. VII
).
Conductor cross-sections and torques in table in
Fig. II
.
3.1
Connection diagram
Device circuit diagram (example: Contactor with latching) see
graphic section (
Fig. VII
).
For main current connection for single-phase operation, see
Fig.
VI
. No function expansion modules with ground fault detection
can be used here.
Summary of Contents for 3RB22
Page 7: ...V 3ZX1012 0RB22 1AA1 ...
