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3RU1146-4LD1 SIEMENS OVERLOAD RELAY, 70...90 A, 1NO+1NC, SIZE S3, MAIN CUR.: SCREW CONNECTION AUX. CUR..: C..
3RU1146-4LD1
SIEMENS
Overload relay 70...90 A For motor protection Size S3, Class 10 Stand-alone installation Main circuit: Screw terminal Auxiliary circuit: Spring-type terminal Manual-Automatic-Reset !!! Phased-out product !!! Successor is SIRIUS 3RU2 Preferred successor type is >>3RU2146-4LD1<<
CONTROL AND CONTACTORS > Thermal relays
Brand new product in its original packaging covered by the warranties and certifications provided by SIEMENS
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▲| product brand name | SIRIUS | |
| Product designation | thermal overload relay | |
| General technical data: | ||
| Size of overload relay | S3 | |
| Size of contactor can be combined company-specific | S3 | |
| Power loss [W] total typical | 16.5 W | |
| Insulation voltage with degree of pollution 3 rated value | 1 000 V | |
| Surge voltage resistance rated value | 8 kV | |
| Protection class IP | ||
| ● on the front | IP20 | |
| Shock resistance | 8g / 10 ms | |
| Type of protection | DMT 98 ATEX G 001 | |
| Protection against electrical shock | finger-safe | |
| Equipment marking acc. to DIN EN 81346-2 | F | |
| Ambient conditions: | ||
| Installation altitude at height above sea level maximum | 2 000 m | |
| Ambient temperature | ||
| ● during operation | -20 ... +70 °C | |
| ● during storage | -55 ... +80 °C | |
| ● during transport | -55 ... +80 °C | |
| Relative humidity during operation | 100 % | |
| Main circuit: | ||
| Number of poles for main current circuit | 3 | |
| Adjustable pick-up value current of the current-dependent overload release | 70 ... 90 A | |
| Operating voltage | ||
| ● at AC-3 rated value maximum | 1 000 V | |
| Auxiliary circuit: | ||
| Number of NC contacts | ||
| ● for auxiliary contacts | 1 | |
| Number of NO contacts | ||
| ● for auxiliary contacts | 1 | |
| Number of CO contacts | ||
| ● for auxiliary contacts | 0 | |
| Operating 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 | |
| Operating current of auxiliary contacts at DC-13 | ||
| ● at 24 V | 1 A | |
| ● at 110 V | 0.22 A | |
| ● at 125 V | 0.22 A | |
| ● at 220 V | 0.11 A | |
| Protective and monitoring functions: | ||
| Trip class | CLASS 10 | |
| 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 | |
| — with type of assignment 2 required | gG: 160 A | |
| ● for short-circuit protection of the auxiliary switch required | fuse gL/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 | |
| Mounting type | stand-alone installation | |
| Height | 120 mm | |
| Width | 70 mm | |
| Depth | 140 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 function | ||
| ● removable terminal for auxiliary and control circuit | No | |
| Type of electrical connection | ||
| ● for main current circuit | screw-type terminals | |
| ● for auxiliary and control current circuit | Cage Clamp terminals | |
| Type of connectable conductor cross-sections | ||
| ● for main contacts | ||
| — solid | 2x (2.5 ... 16 mm²) | |
| — stranded | 2x (10 ... 50 mm²), 10 ... 70 mm² | |
| — finely stranded with core end processing | 2x (2.5 ... 35 mm²), 2.5 ... 50 mm² | |
| ● at AWG conductors for main contacts | 2x (10 ... 1/0), 1x (10 ... 2/0) | |
| Type of connectable conductor cross-sections | ||
| ● for auxiliary contacts | ||
| — solid | 2x (0.5 ... 2.5 mm²) | |
| — finely stranded with core end processing | 2x (0.5 ... 1.5 mm²) | |
| — finely stranded without core end processing | 2x (0.5 ... 1.5 mm²) | |
| ● at AWG conductors for auxiliary contacts | 2x (20 ... 14) | |
Datasheet - PDF
▲| Title: | Size: | Type: |
|---|---|---|
| PDF CATALOGUE SIEMENS EN.pdf | 120 Mbytes |
|
| PDF CATALOGUE SIEMENS EN.pdf | 104 Mbytes |
|
| 3RU1146-4LD1 SIEMENS OVERLOAD RELAY, 70...90 A, 1NO+1NC, SIZE S3, MAIN CUR.: SCREW CONNECTION AUX. CUR..: | 74 Kbytes |
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