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부품번호 3RU1136-4BD0 기능
기능 Bimetallic Class 10 Overload Relays
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3RU1136-4BD0 데이터시트, 핀배열, 회로
IEC Overload Relays
SIRIUS 3RU11 Bimetallic Class 10 Overload Relays
GENERAL
Description
3RU11 overload relays belong to the new gen-
eration of SIRIUS 3R control products. The
3RU11 overload relays replace the highly suc-
cessful 3UA5 and 3UA7 devices. Outstanding
features of the new overload relays include
long term stability and long service life. The
overload relays are optimally matched, both
electrically and mechanically, to the 3RT10
contactors. They can also be mounted as a
single unit with the use of a separate mount-
ing bracket. 3RU11 overload relays cannot be
mounted onto 3TF contactors.
The 3RU11 overload relays are available in four
distinct frame sizes up to 100A. The selection
charts in this catalog refer to the different
frame sizes by their catalog numbers, i.e.
3RU111, 3RU112, 3RU113, and 3RU114. The
sixth character in the part number designates
the frame size. This “size number” is consis-
tent with, and matches up to, the same four
frame sizes of the other IEC products in this
catalog. However, it is important to note that
other SIRIUS 3R catalog versions in circulation
throughout the world refer to these four sizes
as S00, S0, S2, and S3 respectively. It is a
possibility that these four frame size refer-
ences (S00, S0, S2, and S3) may appear on
product labels as well.
Application
3RU11 overload relays provide overload pro-
tection for three-phase inductive motors with
rated currents of up to 100A (75HP, AC-3,
480V). They are used in conjunction with
3RT10 contactors to form motor starters.
Ambient conditions
Thanks to the newly integrated bimetal and
continuous temperature compensation, these
devices can be used without derating at an
ambient temperature of up to 60°C (140°F).
Use up to 70°C (158°F) is possible with derat-
ing. (See Siemens Industrial Control Products
Catalog - CPPC-06000).
Auxiliary contacts
The overload relays are equipped with a NC
contact for de-energizing the contactor and a
NO contact for signalling an overload trip.
The breaking capacity of the switching con-
tacts is very high so that the contactor coils
can be switched directly.
Trip class
The 3RU11 overload relays are designed in
accordance with trip class 10, i.e. trips in less
than 10 seconds at 6 times the trip current
setting (FLA).
15
2
36
7
8
49
3RU111 Overload Relay
Phase failure sensitivity
A phase failure sensitivity function is integrat-
ed in order to provide increased protection in
the event of a phase failure, i.e. faster tripping
in the event of a single-phase condition.
Setting the overload relay
The current setting dial can be accessed once
the transparent, sealable cover has been
opened. The overload relay must be set at the
rated full-load amps (FLA) of the motor.
STOP function
Pressing the red STOP button on the overload
relay momentarily opens the NC trip contact.
No other contacts and/or functions are affect-
ed by this STOP button.
Manual/automatic reset
The RESET button/mechanism features trip-
free operation. This means that the overload
relay will trip on an overload condition regard-
less of whether the reset button is pushed in
or not. Manual or automatic reset can be
selected with the blue button. The appropriate
setting is selected by pressing and turning the
button. This setting can then be locked by the
sliding transparent cover.
TEST function and switch
position indicator
The switch position indicator also incorporates
a test function which, when activated, simu-
lates a tripped overload relay. Both auxiliary
contacts are actuated and the switch position
is indicated.
Terminal for contactor coil and
auxiliary contact
When the 3RU111 overload relay is mounted
directly on the contactor, the auxiliary contact
terminal and the coil terminal A2 of the con-
tactor are fed through to the bottom side of
the overload relay. This helps considerably in
expediting the wiring for both new and retrofit
applications. The carry through of the A2 coil
1 Equipment identifying marker
2 Manual/automatic RESET selector switch
3 STOP button
4 Complete Catalog No on front of device
5 Switch position indicator and TEST
function
6 Transparent cover, sealable (secures the cur-
rent setting screw, TEST function and
manual/automatic RESET position)
7 Current setting dial
8 Terminal for contactor coil (when mounted on
contactor)
9 Terminal for contactor aux. contacts (when
mounted on contactor)
terminal to the bottom of the overload relay is
not necessary with the 3RU112, 3RU113, and
3RU114 devices since the associated contac-
tors are equipped with four point coil connec-
tions and the auxiliary contacts are either front
or side mounted.
Cage Clamp connection
3RU11 overload relays are available with Cage
Clamp terminals. 3RU111 overloads have Cage
Clamps on the auxiliary and power terminals.
3RU112, 3RU113, and 3RU114 overloads, how-
ever, have Cage Clamps on the auxiliary termi-
nals only. The power terminals on 3RU112,
3RU113, and 3RU114 overloads must remain
screw type.
Accessories
The accessories available are suitable for use
with all frame sizes.
• Electrically operated remote RESET
available in different voltages
• Plunger type mechanical RESET
for new and existing enclosure
installations
• Flexible cable type RESET mechanism
for applications where the devices are
not easily accessible
Environment
The devices are manufactured using environ-
mentally-friendly and recyclable materials only.
Specifications
IEC 947-1, IEC 947-5-1, and DIN VDE 0660.
3RU11 overload relays are suitable for use in
any climate when used with the correct
enclosure.
The devices are shock-hazard protected to
DIN VDE 0106, Part 100.
Approvals
UL, CSA, CE marked.
Siemens Energy & Automation, Inc. - SIRIUS 3R IEC Contactors Catalog Supplement 19




3RU1136-4BD0 pdf, 반도체, 판매, 대치품
IEC Overload Relays
SIRIUS 3RB10 Solid State Overload Relays
GENERAL
Specifications
• IEC 947-4-1, IEC 947-5-1 and DIN VDE
0660. UL Listed File #E22655.
• The devices are shock-hazard-
protected according to DIN VDE 0106,
Part 100.
General
The 3RB10 overload relays form part
of the new SIRIUS 3R control generation. The
solid-state version of the SIRIUS 3R overload
relay is noted for its wide overload ranges
(setting ratio 4:1), for its phase loss protec-
tion (see characteristic curves) and also for
the minimal energy requirement. In terms of
dimensions and termination, the solid-state
(3RB10) and the thermally delayed types
(3RU11) are 100% compatible. Conformal
coating of the printed-circuit board and of the
electronic components assures reliable oper-
ation even in aggressive and tropical atmos-
pheres. Four sizes and two variants are avail-
able up to 100A. The overload relays are opti-
mally matched, both electrically and mechan-
ically, to the 3RT10 contactors. They can,
however, also be mounted separately with an
adapter for installation as a single unit.
Devices up to and including size S0 can be
fitted on standard mounting rails without
using tools.
Application
3RB10 solid-state overload relays provide
overload protection for three-phase induction
motors with rated currents of up to 100A.
For short-circuit protection with fuses or cir-
cuit-breakers, the fusing values of the con-
tactors must be taken into account.
Operation
The solid-state overload relays have been
developed for use in sinusoidal 50/60Hz volt-
age networks. These units are self-powered
and require no additional power supply for
operation. Current transformers (for measure-
ment) are already integrated. A microproces-
sor checks the current values of each phase
and initiates release in the event of overload
or phase failure.
The tripping current corresponds to 110% of
the set current.
The overload relay must be set to the rated
motor current.
1
5
2
6
3
7
8
49
3RB10 Solid-State Overload Relay
1 Marking Strip
2 Manual/automatic RESET
selector switch
3 STOP button
4 1 NO r 1 NC
5 Trip class
6 Test function and switch
position indicator
7 4:1 current adjustment dial
e.g. 3 to 12A
8 Terminal for contactor coil
(when mounted on contactor)
9 Terminal for contactor
auxiliary contacts (when mounted
on contactor)
Trip classes
The devices are available in Class 10 (motor
starting times up to 10 s.) and in Class 20
(motor starting times up to 20 s.) trip curves.
Phase-loss protection
The 3RB10 solid-state overload relays are
equipped with phase-loss protection. If a
phase loss occurs, the device trips within
three3 seconds.
STOP function
Activating this function only affects the NC
contact, momentarily changing the state of
the contact.
Manual/automatic reset
Manual or automatic reset can be selected
with the blue button. The appropriate setting
is selected by pressing and turning the but-
ton.
TEST function and switch
position indicator
The switch position indicator also incorpo-
rates a test function which, when activated,
simulates a tripped overload relay.
Both auxiliary contacts are actuated and the
switch position is indicated.
Terminal for contactor coil and auxiliary con-
tact
When the 3RB1016 overload relay (size S00)
is mounted directly on the contactor, the aux-
iliary contact and coil terminal A2 of the con-
tactor are fed through to the bottom of the
overload which simplifies wiring.
This is not necessary with size S0 as the
contactors are equipped with four coil termi-
nals.
Auxiliary contacts
The overload relays are equipped with
a NC contact for disconnecting the contactor
and a NO contact for signalling tripping.
The breaking capacity of the switching con-
tacts is very high so that the contactor coils
can be switched directly.
Mounting
The overload relays are mounted directly on
the 3RT10 contactors. If they are fitted indi-
vidually on a connector base, they can be
fastened by means of screws or placed on a
mounting rail. The connector bases of the
3RU11 thermally delayed relays can be used.
Accessories
The accessories used with the 3RU11 ther-
mal overload relays can be used for the
3RB10 solid-state overload relays.
• Reset plunger to extend the through-the-
door reset button on deep panels
• Flexible cable reset mechanism
for overloads which are not easily
accessible
22 Siemens Energy & Automation, Inc. - SIRIUS 3R IEC Contactors Catalog Supplement

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부품번호상세설명 및 기능제조사
3RU1136-4BD0

Bimetallic Class 10 Overload Relays

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