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Enclosed soft starter, Controller 3RW40556BB34, Std duty rating 30HP @200V, Std duty current rating 117A Control voltage 115Vac Combination type, 200A fusible disconnect, Encl. type 4 painted steel, Water/dust tight for outdoors | |
| product brand name | Class 74 | |
| design of the product | Enclosed soft starter with fusible disconnect switch | |
| special product feature | Control transformer, built-in overload relay and bypass contactor included. | |
| General technical data | ||
| weight [lb] | 142 lb | |
| Height x Width x Depth [in] | 50 × 25 × 20 in | |
| touch protection against electrical shock | NA for enclosed products | |
| installation altitude [ft] at height above sea level maximum | 6560 ft | |
| ambient temperature [°F] | ||
| ● during storage | -22 … +149 °F | |
| ● during operation | -4 … +104 °F | |
| ambient temperature | ||
| ● during storage | -30 … +65 °C | |
| ● during operation | -20 … +40 °C | |
| country of origin | USA | |
| Power and control electronics | ||
| manufacturer’s article number of soft starter | 3RW40556BB34 | |
| number of poles for main current circuit | 3 | |
| design of power semiconductors (thyristors) for soft starter control | 2 controlled phases | |
| operating range factor supply voltage rated value | 0.85 … 1.1 | |
| operating range factor of control voltage rated value | 0.85 … 1.1 | |
| operating condition for standard duty | Class 10, standard-compliant startup | |
| operating condition for severe duty | Class 20 severe duty (350% of motor FLA for 20 seconds) | |
| Features and functions | ||
| ramp-up (soft starting)/ramp-down (soft stop) | Yes | |
| starting voltage [%] | 40 … 100 % | |
| stopping voltage [%] | 40 … 100 % | |
| voltage ramp | Yes | |
| ramp-up time | 0 … 20 s | |
| ramp-down time | 0 … 20 s | |
| torque control | No | |
| adjustable current limitation | Yes | |
| creep speed in both directions of rotation | No | |
| pump ramp down | No | |
| integrated bypass contact system | Yes | |
| external isolation contactor | No | |
| intrinsic device protection | Yes | |
| overload protection | Yes | |
| trip class | CLASS 5 / 15 / 20 | |
| reset function | Manual, automatic and remote | |
| remote reset function | No | |
| thermistor motor protection | No | |
| inside-delta circuit | No | |
| breakaway pulse | No | |
| DC braking | No | |
| combined braking | No | |
| motor heating | No | |
| configuration of control input 1 | ON / OFF | |
| configuration of control input 2 | NA | |
| configuration of control input 3 | NA | |
| configuration of control input 4 | NA | |
| configuration of relay output 1 | ON / RUN | |
| configuration of relay output 2 | BYPASSED | |
| configuration of relay output 3 | OVERLOAD / FAILURE | |
| configuration of relay output 4 | NA | |
| display version | 4 LEDs | |
| operating measured value display | No | |
| product extension optional human machine interface module | No | |
| type of communication optional | None | |
| error logbook | No | |
| event list | No | |
| slave pointer function | No | |
| trace function | No | |
| number of parameter sets | 1 | |
| engineering software (Soft Starter ES) | No | |
| disconnector functionality | Yes | |
| Contactor | ||
| size of contactor | NA | |
| Coil | ||
| type of voltage of the control supply voltage | AC | |
| control supply voltage | ||
| ● at AC at 50 Hz rated value | 115 V | |
| ● at AC at 60 Hz rated value | 115 V | |
| Disconnect Switch | ||
| response value of switch disconnector | 200A / 600V | |
| design of fuse holder | Class R fuse clips | |
| operating class of the fuse link | Class R | |
| Enclosure | ||
| degree of protection NEMA rating | 4 | |
| degree of protection NEMA rating of the enclosure | NEMA Type 4 | |
| design of the housing | dustproof, waterproof & weatherproof | |
| type of cooling | None | |
| Mounting/wiring | ||
| mounting position | Vertical | |
| fastening method | Surface mounting and installation | |
| wire length between motor starter and motor maximum | 300 m | |
| type of electrical connection for supply voltage line-side | Box lug | |
| type of connectable conductor cross-sections at line-side at AWG cables single or multi-stranded | 1x (6 AWG … 300 Kcmil) | |
| temperature of the conductor for supply maximum permissible | 75 °C | |
| material of the conductor for supply | AL or CU | |
| type of electrical connection for load-side outgoing feeder | Box lug | |
| tightening torque [lbf·in] for load-side outgoing feeder | 90 … 110 lbf·in | |
| type of connectable conductor cross-sections at AWG cables for load-side outgoing feeder single or multi-stranded | 7 … 2/0 AWG (front only) or 6 … 2/0 AWG (back only) or 2x 1/0 AWG (both front & back) | |
| temperature of the conductor for load-side outgoing feeder maximum permissible | 75 °C | |
| material of the conductor for load-side outgoing feeder | CU | |
| type of electrical connection for auxiliary and control circuit | Screw-type terminals | |
| tightening torque [lbf·in] for auxiliary and control contacts with screw-type terminals | 7 … 10 lbf·in | |
| type of connectable conductor cross-sections at AWG cables for auxiliary and control contacts | 2x (20 … 14 AWG) | |
| temperature of the conductor for auxiliary and control contacts maximum permissible | 75 °C | |
| material of the conductor for auxiliary and control contacts | CU | |
| Short-circuit current rating | ||
| design of the fuse link for short-circuit protection of the main circuit required | 10kA@600V (Class H or K); 100kA@600V (Class R or J) | |
| certificate of suitability | NEMA ICS 2; UL 508A | |
| Further information | ||
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Industrial Controls – Product Overview (Catalogs, Brochures,…)
www.usa.siemens.com/iccatalog
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Industry Mall (Online ordering system)
https://mall.industry.siemens.com/mall/en/us/Catalog/product?mlfb=US2:74AS36EFAF
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Service&Support (Manuals, Certificates, Characteristics, FAQs,…)
https://support.industry.siemens.com/cs/US/en/ps/US2:74AS36EFAF
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Image database (product images, 2D dimension drawings, 3D models, device circuit diagrams, EPLAN macros, …)
http://www.automation.siemens.com/bilddb/cax_de.aspx?mlfb=US2:74AS36EFAF&lang=en
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Certificates/approvals
https://support.industry.siemens.com/cs/US/en/ps/US2:74AS36EFAF/certificate
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| last modified: | 1/25/2022 | |
| Date 5/20/2023 |
Subject to change without notice © Copyright Siemens 2023 |
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