SIRIUS 3RM1 Motor Starters Siemens

Обзор

3RM13 motor starter with reversing functionality, electronic overload protection and safety-related shutdown

Further information
Detailed information about functions, properties and applications can be found at http://www.siemens.com/motorstarters/3RM1

Further information

Detailed information about functions, properties and applications can be found at

http://www.siemens.com/motorstarters/3RM1

SIRIUS 3RM1 motor starters are compact devices 22.5 mm wide, combining a large number of functions in a single enclosure. They consist of combinations of relay contacts, power semiconductors (hybrid technology), and an electronic overload relay for switching induction motors up to 3 kW (at 400 V) and resistive loads up to 10 A (at AC voltages to 500 V) under normal operating conditions.

The 3RM1 motor starters with overload protection with wide setting range are offered as direct-on-line starters and reversing starters and as versions with safety-related shutdown up to SIL3 / PL e.

Product versions		Article number
Product function	Direct-on-line starter	3RM10	0	❑	❑	AA	❑	4
	Failsafe direct starter	3RM11	0	❑	❑	AA	❑	4	with ATEX certification and safety-related shutdown
	Reversing starter	3RM12	0	❑	❑	AA	❑	4
	Failsafe reversing starter	3RM13	0	❑	❑	AA	❑	4	with ATEX certification and safety-related shutdown
Wide setting range for electronic overload release	0.1 ... 0.5 A			1					for motor standard output 0 ... 0.12 kW²⁾
	0.4 ... 2.0 A			2					for motor standard output 0.09 ... 0.75 kW²⁾
	1.6 ... 7.0 A (10 A)¹⁾			7					for motor standard output 0.55 ... 3 kW²⁾
Connection method	Screw terminals				1
	Push-in connection (spring-type terminals)				2
	Mixed connection method:				3				Control circuit: Push-in connection (spring-type terminals), main circuit: Screw terminals
Rated control supply voltage U_s	24 V DC						0
Rated control supply voltage U_s	110 ... 230 V AC, 110 V DC						1

¹⁾ Operation of resistive loads with maximum 10 A

²⁾Standard three-phase motor, basis 4-pole at 400 V AC, the actual startup characteristics of the motor as well as its rated data are important factors here.

Особенности

Product advantages

Less space required in the control cabinet (20 to 80%) thanks to high functional density, which also means reduced wiring and testing
Greater endurance and reduced heat losses thanks to hybrid technology, see http://www.siemens.com/sirius/energysaving
Lower costs for stock keeping and configuration as a result of the wide setting range of the electronic overload release (up to 1:5)
Fast wiring without tools for rigid conductors or conductors equipped with end sleeves thanks to push-in connections (spring-type terminals)
Safety-orientated shutdown in accordance with SIL3/Ple by shutting down the control supply voltage without additional devices in the main circuit
The motor starters can be ideally combined with 3SK safety relays for safety-related shutdown
Motor status feedback to the higher-level control system in the case of 3RM10 and 3RM12 motor starters in the 24 V DC version
Virtually error-free wiring on the mains connection side and reduction in short-circuit protective devices by means of 3RM19 infeed system
ATEX certification of the overload protection of the 3RM1 Failsafe motor starters "Increased safety" type of protection EEx e according to ATEX directive 94/9/EC
The 3RM1 motor starters can be used with highly energy-efficient IE3 motors. In this regard, please observe the information on dimensioning and configuring, see "Configuration Manual for SIRIUS Controls with IE3 Motors”, https://support.industry.siemens.com/cs/ww/en/view/94770820

Standards and approvals

IEC/EN 60947-4-2
UL 508
ATEX
IEC 61508-1: SIL3
ISO 13849: PL e
CCC approval for China

Дополнительно

Further information
You will find all information on configuring and dimensioning the accessories in the 3RM1 manual: https://support.industry.siemens.com/cs/ww/en/view/66295730

Further information

You will find all information on configuring and dimensioning the accessories in the 3RM1 manual:

https://support.industry.siemens.com/cs/ww/en/view/66295730

Three-phase infeed system (3RM19 three-phase busbar system)

The system permits an easy, time-saving and safe means of feeding two or more 3RM1 motor starters. It can only be used for motor starters with screw terminals in the main circuit.

The maximum summation current must not exceed 25 A. The primary infeed is connected via a three-phase infeed terminal.

The busbars are available in three lengths, with 2, 3 or 5 sockets. More than 5 devices can be connected by clamping the connection tags of a second busbar rotated by 180°.

The three-phase busbars are finger-safe but empty connection tags must be fitted with covers.

3RM19 infeed system with three-phase infeed terminal: In the above example, two three-phase busbars (5-pole busbars) rotated through 180° allow up to 9 3RM1 motor starters to be connected. Contact with the unused connection tags in unoccupied positions is prevented safely by the covers.

Device connectors for the control circuit

The device connectors for 3RM1 motor starters (only 24 V DC control supply voltage) reduce the outlay for cabling by looping through the control supply voltage. The device connectors can be snapped onto a standard mounting rail or fixed to a level mounting panel using screws.

Device connectors with 3RM1 motor starter

Using the device connectors exclusively for feeding in the control supply voltage

By using device connectors, a maximum of 5 motor starters can be supplied with 24 V DC control supply voltage. This requires the control supply voltage to be applied to the A1 and A2 terminals of only one motor starter.

Device daisy chain connectors can be be used for gaps between two motor starters. Device termination connectors terminate a group.

Using the device connectors for safe group shutdown

In combination with the 3RM11 and 3RM13 Failsafe motor starters, the device connector can also be used for safety-related shutdown. For this application, groups of no more than 5 Failsafe motor starters can be connected using a device connector, and the group must be terminated with a terminating connector. Removing the control voltage supply from the first motor starter will safely shut down the whole group.

Safe group shutdown can be implemented particularly easily in conjunction with 3SK safety relays. In this case, up to 5 motor starters can be directly connected to 3SK safety relays via the device connector and then safely shut down.

Ideal connection: Combination of four SIRIUS 3RM1 Failsafe motor starters with SIRIUS 3SK1 safety relay