Germany Siemens/Siemens 3RV1917-4B busbar feeded cage spring clamp technology

3RV1917-4B Introduction: Siemens 3RV1 Series Busbar 3RV1917-4B, for use with 3RV series

Germany Siemens/Siemens 3RV1917-4B picture show

Model features introduced

Feed cage spring clamp technology
Feed-in systems are convenient ways to supply and distribute power for a set of multiple circuit breakers or a full set of load feeders. These devices are provided in the SIRIUS modular system up to 5.5kW@400V AC. For higher power classes, circuit breakers in size S0 with screw connections (up to 11kW@400V AC) can be integrated into the system. The system is based on a basic module with a side input device (3-phase busbar with feed-in). The input device with cage spring clamp terminal can be mounted on the right or left side, depending on the design, and can be supplied with conductors with a maximum cross-section of 25 mm2 (with end sleeve). The basic module has two sockets, each of which can be snapped into a circuit breaker. Expansion modules can be used to expand the system (3-phase busbar for system expansion). The individual modules are connected via an extension plug. The system is based on a basic module with a side input device (3-phase busbar with feed-in). The input device with cage spring clamp terminal can be mounted on the right or left side, depending on the design, and can be supplied with conductors with a maximum cross-section of 25 mm2 (with end sleeve). The basic module has two sockets, each of which can be snapped into a circuit breaker. Expansion modules can be used to expand the system (3-phase busbar for system expansion).

Convenient power supply and distribution Using a simple plug-in technology Available in the SIRIUS modular system up to 5.5kW@400V AC This system saves space in the control cabinet

InfeedCageClampSystemSchematic
1	3-PhaseBusbarwitdInfeed
2	3-PhaseBusbarforSystemExpansion
3a	ExpansionPlug
3b	WiderExpansionPlug
4	EndCover
5	Plug-inConnnector
6	ContactorBase
7	TerminalBlock

SiemensSIRIUS cage spring clamp technology
In addition to the screw connection, a large number of Siemens low-voltage components are equipped with cage spring clamp connections. Solid, stranded and finely stranded conductors, with or without an end sleeve that can be connected, in which two conductors can be crimped, with their respective terminals independent of each other. Insert a flat bits with a screwdriver to open the terminals; Then introduce the wire and clamp it firmly after removing the screwdriver. The chromium-nickel spring steel of the cage spring terminals ensures the corrosion resistance of the wire contacts.

advantage

Time-saving: quick connection without pressing the end sleeveReliability: Terminal block connections are resistant to shock and vibrationVertical mounting reduces maintenance: The cage spring clamp system means there is no need to connect with the transport inspection screws

Model parameters are introduced

attribute	numeric value
Attachment type	Mother line
Used in:	3RV Motor Starter Protector
range	SIRIUSClassic
series	3RV1

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Germany Siemens/Siemens 3RV1917-4B busbar feeded cage spring clamp technology

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