SIEMENS
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Siemens IC 10 · 2017
* You can order this quantity or a multiple thereof.
Illustrations are approximate.
Overload Relays
SIRIUS 3RB2 Electronic Overload Relays
Accessories for 3RB20, 3RB21
7
■
Overview
Overload relays for standard applications
The following optional accessories are available for the
3RB20 and 3RB21 electronic overload relays:
•
Mechanical RESET (for all sizes)
•
Cable release for resetting devices which are difficult to
access (for all sizes)
•
Sealable cover (for all sizes)
•
Terminal covers for sizes S6 to S10/S12
•
Box terminal blocks for sizes S6 and S10/S12
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Selection and ordering data
1)
In the scope of supply for 3RT1054-1 contactors (55 kW).
Version
Size
SD
Article No.
Price
per PU
PU
(UNIT,
SET, M)
PS*
PG
d
Mechanical RESET
3RU1900-1A
with pushbutton and
extension plunger
Resetting plungers, holders and formers
S6
S10/S12
}
3RU1900-1A
1
1 unit
41F
Pushbuttons with extended stroke
(12 mm), IP65,
22 mm
S6
S10/S12
}
3SU1200-0FB10-0AA0
1
1 unit
41J
Extension plungers
For compensation of the distance between a
pushbutton and the unlatching button of the relay
S6
S10/S12
}
3SU1900-0KG10-0AA0
1
1 unit
41J
Cable releases with holder for RESET
3RU1900-1.
For
6.5 mm holes
in the control panel;
max. control panel thickness 8 mm
S6
S10/S12
• Length 400 mm
}
3RU1900-1B
1
1 unit
41F
• Length 600 mm
}
3RU1900-1C
1
1 unit
41F
Sealable covers
3RB2984-0
For covering the setting knobs
S6
S10/S12
}
3RB2984-0
1
10 units
41F
Terminal covers
3RT1956-4EA1
3RT1956-4EA2
Covers for cable lugs and busbar connections
• Length 100 mm
S6
}
3RT1956-4EA1
1
1 unit
41B
• Length 120 mm
S10/S12
}
3RT1966-4EA1
1
1 unit
41B
Covers for box terminals
• Length 25 mm
S6
}
3RT1956-4EA2
1
1 unit
41B
• Length 30 mm
S10/S12
}
3RT1966-4EA2
1
1 unit
41B
Covers for screw terminals
between contactor and overload relay, without box
terminals (1 unit required per combination)
S6
}
3RT1956-4EA3
1
1 unit
41B
S10/S12
}
3RT1966-4EA3
1
1 unit
41B
Box terminal blocks
3RT195.-4G
For round and ribbon cables
• Up to 70 mm
2
S6
1)
}
3RT1955-4G
1
1 unit
41B
• Up to 120 mm
2
S6
}
3RT1956-4G
1
1 unit
41B
• Up to 240 mm
2
S10/S12
}
3RT1966-4G
1
1 unit
41B
© Siemens AG 2016