Name: Siemens 3RH2911-1HA21 Auxiliary switch Compatible with (relay brand): Siemens 1 pc(s)
Brand: Siemens
SKU: 2260228

'Electrical relay block module with multiple terminal blocks, labelled with "NC" and "NO" for different switching states.'

Industrial Facility: In the foreground, an open electrical cabinet with wiring and control devices, with a rain-streaked window front to the right.

Protective system with shooters, auxiliary switches, and connecting elements. Numbered parts show assembly options and functional descriptions.

'3RT2' and '3RH2' show electrical circuit diagrams. On the left: a switch with three positions. On the right: a parallel connection with links between 2-4 and 3-3.

Technical Drawing of an Electrical Relay with Dimensions: Width 36 mm, Depth 43.7 mm, Height 48.1 mm. Shows Terminals: 1 NC, 2 NC, 3 NO.

'Diagram of an electrical junction box with four terminals, labelled as .1 NC, .2 NC, .3 NO, .3 NO. Shows switching contact allocation.'

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Product type

Auxiliary switch

Connection

Screws

Type

3RH2911-1HA21

Type

S00

Auxiliary contact type

2 makers

1 breaker

Datasheet (PDF)

EAN:

Part number:

Item no:

Unavailable

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Technical specifications

Design of the product: Snaps onto the front
Product function / guidance: Yes
Product function / guidance, note: With 3RH2
Product function / Mirror contact: Yes
Product function / mirror contact, note: With 3RT2
Application area: For extending the auxiliary contacts in the control circuit
Suitable for use: Auxiliary and power contactor
Surge voltage resistance: 6 kV
Type of connectable conductor cross-sections / for AWG wires / for auxiliary contacts: 2x (20 ... 16), 2x (18 ... 14)
Type of connectable conductor cross-sections / for auxiliary contacts / single-wired or multi-wired: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)
Type of connectable conductor cross-sections / for auxiliary contacts / finely stranded / with wire-end processing: 2x (0.5 ... 1.5 mm²), 2x (0.75 ... 2.5 mm²)

Product type: Auxiliary switch

Type: 3RH2911-1HA21

Type: S00
S0
S2
S3

Auxiliary contact type: 2 makers
1 breaker

Compatible with: Siemens

Compatible with series: Siemens Sirius series

Mounting type: Snap-in

Connection: Screws

Electrical lifespan: 200000

Durability: 10000000

: IP20

Min. temperature: -25 °C

Max. temperature: +60 °C

Width: 36 mm

Height: 37.5 mm

Depth: 43.7 mm

Dim: (W x H x D) 36 x 37.5 x 43.7 mm

Content: 1 pc(s)

RoHS-compliant: Yes

UKCA: yes

Documents & Downloads

Datasheet

Datasheet 2260228 Siemens 3RH2911-1HA21 Auxiliary switch Compatible with (relay brand): Siemens 1 pc(s)

User & Safety Instructions

User & Safety Instructions 2260228 Siemens 3RH2911-1HA21 Auxiliary switch Compatible with (relay brand): Siemens 1 pc(s)

Description

Auxiliary switch on front, 2 NO + 1 NC current path 1 NC, 1 NO, 1 NO for 3RH2 and 3RT2 screw terminals .1/.2, .3/.4, .3/.4 SIRIUS 3RH29 auxiliary switches for extending the auxiliary contacts in the control circuit.
The 3RH29 auxiliary switches on the front can be mounted on the 3RT2 contactors and 3RH2 contactor relays regardless of size without the need for tools.
The 3RH19/3RH29 auxiliary switches are available as front or side mounted versions, with up to four instantaneous switching or up to two leading-switching locks and NC contacts. The auxiliary switches can be designed as positively-driven contact elements in 3RH contactor relays or as mirror contacts in 3RT power contactors. They are available throughout with screw terminals and spring-type terminals.
Simple, efficient, always up-to-date - the SIRIUS modular system.

This text is machine translated.