Siemens Coupling contactor 3RT2045-3KB40 1 pc.
6 pieces in stock at supplier
Product details
Siemens Digital Industry Coupling Relay 3RT2045-3KB40
Manufacturer: Siemens Digital Industry
Designation: Coupling Relay AC-337kW/400V
Type: 3RT2045-3KB40
Rated control supply voltage Us at DC: 24 V
Voltage type for actuation: DC
Rated operational current Ie at AC-1, 400 V: 125 A
Rated operational current Ie at AC-3, 400 V: 80 A
Rated operational power at AC-3, 400 V: 37 kW
Rated operational current Ie at AC-4, 400 V: 66 A
Rated operational power NEMA: 44.12992499 kW
Suitable for rail mounting: yes
Number of auxiliary contacts as normally closed: 1
Number of auxiliary contacts as normally open: 1
Connection type for main circuit: screw connection
Number of normally closed contacts as main contacts: 3
Siemens Digital Industry Coupling Relay 3RT2045-3KB40: additional details
Power relay, AC-3e/AC-3, 80 A, 37 kW / 400 V, 3-pole, DC 24 V, 0.8-1.2* US, with integrated varistor, auxiliary contacts: 1 normally closed + 1 normally open, varistor integrated, main circuit: screw connection, control and auxiliary circuit: spring-loaded connection, size: S3, suitable for PLC outputs. Coupling relay SIRIUS 3RT2 for switching motors and auxiliary and control circuits, specifically designed for direct connection to electronic controls. The 3RT2 relays are part of the SIRIUS modular system with optimally coordinated products. They impress with high performance while maintaining a compact design and high contact reliability. They can be combined in various ways with other components in the consumer branch. Many of the device combinations are factory tested. Integrated auxiliary switches reduce the complexity of your setup. The front connections allow for easy wiring. The 3RT2 relays are climate-resistant, globally approved (e.g., IEC and UL/CSA), and IE3/IE4 ready. In addition to screw connection technology, the devices are also available with spring-loaded connection for a quick, maintenance-free, and vibration-resistant connection. Simple, efficient, always up to date - the SIRIUS modular system.
EAN: 4047621026978.
Relay type | Power contactor |
input voltage | 24 V |
Electric current output | 80 A |
Number of poles | 3x |
Item number | 14161336 |
Manufacturer | Siemens |
Category | Relays |
Manufacturer No. | 3RT20453KB40 |
Release date | 10.11.2020 |
Relay type | Power contactor |
input voltage | 24 V |
Electric current output | 80 A |
Switching function | Normally open |
Number of openers | 1x |
Number of closers | 3x |
Number of poles | 3x |
Number of switching cycles | 10000000x |
Max. Switching capacity | 37 kW |
Smart home | Not compatible |
Country of origin | Germany |
Manufacturer commitment | RE100, SBTi |
CO₂ emissions | 29.26 kg |
Climate contribution | CHF 0.70 |
Scope of delivery | 1 pc. |
Width | 70 mm |
Height | 140 mm |
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Reviews & Ratings
Warranty score
How often does a product of this brand in the «Relays» category have a defect within the first 24 months?
Source: Digitec Galaxus- 9.Hager0.6 %
- 9.Schalk0.6 %
- 11.Siemens0.9 %
- 12.Aqara1 %
- 13.Shelly1.1 %
Warranty case duration
How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?
Source: Digitec Galaxus- SiemensNot enough data
- 1.Shelly1 day
- ABBNot enough data
- AqaraNot enough data
- EatonNot enough data
Return rate
How often is a product of this brand in the «Relays» category returned?
Source: Digitec Galaxus- 9.Schneider Electric3.2 %
- 10.Eltako3.6 %
- 11.Eaton3.7 %
- 12.Siemens3.9 %
- 13.ABB5.9 %