| Article number |
3RU1146-4LB0
|
3RU2146-4LB0
|
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|
|
|
Overload relay 70...90 A For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw terminal Auxiliary circuit: Screw terminal Manual-Automatic-Reset !!! Phased-out product !!! Successor is SIRIUS 3RU2 Preferred successor type is >>3RU2146-4LB0<< |
Overload relay 70...90 A Thermal For motor protection Size S3, Class 10 Contactor mounting Main circuit: Screw Auxiliary circuit: Screw Manual-Automatic-Reset |
| product brand name |
SIRIUS |
| product designation |
thermal overload relay |
| product type designation |
|
3RU2 |
| General technical data |
| size of overload relay |
S3 |
| size of contactor can be combined company-specific |
S3 |
| power loss [W] for rated value of the current at AC in hot operating state |
21 W |
| ● per pole |
7 W |
| insulation voltage with degree of pollution 3 at AC rated value |
1 000 V |
| surge voltage resistance rated value |
8 kV |
| maximum permissible voltage for protective separation |
|
| ● in networks with ungrounded star point between auxiliary and auxiliary circuit |
|
440 V |
| ● in networks with grounded star point between auxiliary and auxiliary circuit |
|
440 V |
| ● in networks with ungrounded star point between main and auxiliary circuit |
|
440 V |
| ● in networks with grounded star point between main and auxiliary circuit |
|
440 V |
| protection class IP |
|
| ● on the front |
IP20 |
| ● of the terminal |
|
IP00 |
| shock resistance |
8g / 10 ms |
|
| ● according to IEC 60068-2-27 |
|
8g / 11 ms |
| recovery time after overload trip |
|
| ● with automatic reset typical |
|
10 min |
| ● with remote-reset |
|
10 min |
| ● with manual reset |
|
10 min |
| type of protection |
DMT 98 ATEX G 001 |
|
| reference code according to IEC 81346-2 |
F |
| Substance Prohibitance (Date) |
07/01/2006 |
03/01/2017 |
| SVHC substance name |
|
Lead - 7439-92-1
|
| Weight |
0.57 kg |
0.585 kg |
| Ambient conditions |
| installation altitude at height above sea level maximum |
2 000 m |
| ambient temperature |
|
| ● during operation |
-20 ... +70 °C |
-40 ... +70 °C |
| ● during storage |
-55 ... +80 °C |
| ● during transport |
-55 ... +80 °C |
| temperature compensation |
|
-40 ... +60 °C |
| relative humidity during operation |
100 % |
10 ... 95 % |
| Main circuit |
| number of poles for main current circuit |
3 |
| adjustable current response value current of the current-dependent overload release |
70 ... 90 A |
| operating voltage |
|
| ● rated value |
|
1 000 V |
| ● at AC-3e rated value maximum |
|
1 000 V |
| operating frequency rated value |
|
50 ... 60 Hz |
| operational current rated value |
|
90 A |
| operational current at AC-3e at 400 V rated value |
|
90 A |
| operating power at AC-3e |
|
| ● at 400 V rated value |
|
45 kW |
| ● at 690 V rated value |
|
75 kW |
| Auxiliary circuit |
| design of the auxiliary switch |
|
integrated |
| number of NC contacts for auxiliary contacts |
1 |
| ● note |
|
for contactor disconnection |
| number of NO contacts for auxiliary contacts |
1 |
| ● note |
|
for message "Tripped" |
| number of CO contacts for auxiliary contacts |
0 |
| operational current of auxiliary contacts at AC-15 |
|
| ● at 24 V |
3 A |
| ● at 110 V |
3 A |
| ● at 120 V |
3 A |
| ● at 125 V |
3 A |
| ● at 230 V |
2 A |
| ● at 400 V |
1 A |
| operational current of auxiliary contacts at DC-13 |
|
| ● at 24 V |
1 A |
2 A |
| ● at 60 V |
|
0.3 A |
| ● at 110 V |
0.22 A |
| ● at 125 V |
0.22 A |
| ● at 220 V |
0.11 A |
| design of the miniature circuit breaker for short-circuit protection of the auxiliary switch required |
|
6A (SCC less than equal to 0.5 kA; U less than equal to 260V) |
| contact rating of auxiliary contacts according to UL |
|
B600 / R300 |
| Protective and monitoring functions |
| trip class |
CLASS 10 |
| design of the overload release |
|
thermal |
| UL/CSA ratings |
| full-load current (FLA) for 3-phase AC motor |
|
| ● at 480 V rated value |
|
77 A |
| ● at 600 V rated value |
|
77 A |
| Short-circuit protection |
| design of the fuse link |
|
| ● for short-circuit protection of the main circuit |
|
| — with type of coordination 1 required |
gG: 250 A |
690 V: gG: 250 A; 1000 V: a.M. / g.B.: 160 A |
| — with type of assignment 2 required |
gG: 160 A |
690 V: gG: 160 A; 1000 V: a.M. / g.B.: 160 A |
| ● for short-circuit protection of the auxiliary switch required |
fuse gL/gG: 6 A, quick: 10 A |
fuse gG: 6 A, quick: 10 A |
| Installation/ mounting/ dimensions |
| mounting position |
with vertical mounting surface +/-135° rotatable, with vertical mounting surface +/- 45° tiltable to the front and back |
any |
| fastening method |
Contactor mounting |
| height |
120 mm |
105 mm |
| width |
70 mm |
| depth |
140 mm |
125 mm |
| required spacing |
|
| ● with side-by-side mounting |
|
| — forwards |
0 mm |
|
| — backwards |
0 mm |
|
| — upwards |
0 mm |
|
| — downwards |
0 mm |
|
| — at the side |
0 mm |
|
| ● for grounded parts |
|
| — forwards |
0 mm |
|
| — backwards |
0 mm |
|
| — upwards |
0 mm |
|
| — at the side |
6 mm |
|
| — downwards |
0 mm |
|
| ● for live parts |
|
| — forwards |
0 mm |
|
| — backwards |
0 mm |
|
| — upwards |
0 mm |
|
| — downwards |
0 mm |
|
| — at the side |
6 mm |
|
| Connections/ Terminals |
| product component removable terminal for auxiliary and control circuit |
No |
| type of electrical connection |
|
| ● for main current circuit |
screw-type terminals |
| ● for auxiliary and control circuit |
screw-type terminals |
| arrangement of electrical connectors for main current circuit |
|
Top and bottom |
| type of connectable conductor cross-sections for main contacts |
|
| ● solid |
2x (2.5 ... 16 mm²) |
| ● stranded |
2x (10 ... 50 mm²), 10 ... 70 mm² |
2x (6 ... 16 mm²), 2x (10 ... 50 mm²), 1x (10 ... 70 mm²) |
| ● solid or stranded |
|
2x (2,5 ... 50 mm²), 1x (10 ... 70 mm²) |
| ● finely stranded with core end processing |
2x (2.5 ... 35 mm²), 2.5 ... 50 mm² |
2x (2.5 ... 35 mm²), 1x (2.5 ... 50 mm²) |
| type of connectable conductor cross-sections |
|
| ● for auxiliary contacts |
|
| — solid |
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
|
| — solid or stranded |
|
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| — finely stranded with core end processing |
2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²) |
| ● for AWG cables for auxiliary contacts |
2x (20 ... 16), 2x (18 ... 14) |
| tightening torque |
|
| ● for main contacts for ring cable lug |
|
4.5 ... 6 N·m |
| outer diameter of the usable ring cable lug maximum |
|
19 m |
| tightening torque |
|
| ● for main contacts with screw-type terminals |
|
4.5 ... 6 N·m |
| ● for auxiliary contacts with screw-type terminals |
|
0.8 ... 1.2 N·m |
| design of screwdriver shaft |
|
Hexagonal socket |
| size of the screwdriver tip |
|
4 mm hexagon socket |
| design of the thread of the connection screw |
|
| ● for main contacts |
|
M8 |
| ● of the auxiliary and control contacts |
|
M3 |
| IEC 61508 |
| T1 value |
|
| ● for proof test interval or service life according to IEC 61508 |
|
20 a |
| Electrical Safety |
| touch protection against electrical shock |
finger-safe |
|
| protection class IP on the front according to IEC 60529 |
|
IP20 |
| touch protection on the front according to IEC 60529 |
|
finger-safe, for vertical contact from the front |
| Display |
| display version for switching status |
|
Slide switch |
| Approvals Certificates |
| CCC
|
|
Yes
|
Yes
|
| Confirmation |
|
Yes
|
Yes
|
| EU declaration of conformity |
|
Yes
|
Yes
|
| UL
|
|
Yes
|
Yes
|
| EAC
|
|
Yes
|
Yes
|
| ATEX |
|
Yes
|
Yes
|
| IECEx
|
|
Yes
|
Yes
|
| Miscellaneous
|
|
Yes
|
Yes
|
| Special Test Certificate
|
|
Yes
|
Yes
|
| Type Test Certificates/Test Report
|
|
Yes
|
Yes
|
| ABS (American Bureau of Shipping)
|
|
Yes
|
Yes
|
| Confirmation |
|
Yes
|
Yes
|
| Miscellaneous
|
|
Yes
|
Yes
|
| Special Test Certificate
|
|
Yes
|
Yes
|
| Environmental Confirmations
|
|
Yes
|
Yes
|
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Information on the packaging
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Information- and Downloadcenter (Catalogs, Brochures,…)
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Industry Mall (Online ordering system)
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Cax online generator
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Service&Support (Manuals, Certificates, Characteristics, FAQs,...)
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Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, ...)
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Characteristic: Tripping characteristics, I²t, Let-through current
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Further characteristics (e.g. electrical endurance, switching frequency)
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