Siemens SIRIUS LZS Plug-in Relays
Siemens SIRIUS LZS Plug-in Relays are used in control panels where a relay is required for switching, signal isolation, contact multiplication or interfacing between a PLC and field devices. They are commonly installed in machine control panels, motor control centres, automation systems and industrial switchboards.
The main advantage of the LZS range is its plug-in design. If the relay needs replacement, it can be removed from the socket without disconnecting the panel wiring. This makes maintenance faster and reduces the chances of wiring mistakes during replacement.
Siemens supplies LZS relays in different contact arrangements, coil voltages and terminal types. The range includes compact RT versions and larger PT versions for applications that require more changeover contacts. Buyers can select screw-terminal or push-in terminal sockets according to the panel design.
Complete LZS assemblies generally include the plug-in relay, socket, LED indication module, retaining clip and marking plate. Separate relays, sockets and accessories are also available for replacement requirements.
ARP IMPEX supplies and exports Siemens SIRIUS LZS Plug-in Relays for panel builders, machine manufacturers, industrial plants and maintenance contractors. Send the complete Siemens part number, coil voltage, contact arrangement and required quantity for price and availability.
Technical Specifications
- Brand: Siemens
- Product range: SIRIUS
- Series: LZS
- Product type: Plug-in relay / coupling relay
- Available versions: RT and PT relay assemblies
- Contact options: One, two, three or four changeover contacts, depending on the model
- Coil options: AC and DC coil versions
- Common coil voltages: 24 V DC, 24 V AC, 115 V AC and 230 V AC
- Terminal options: Screw terminals or push-in terminals
- Mounting: DIN rail mounting
- Indication: LED operating indication on applicable assemblies
- Relay replacement: Relay can be removed without disconnecting the socket wiring
- Socket options: Standard socket or logical-isolation socket, depending on the model
- Supply options: Complete relay assembly or individual relay, socket and accessories
- Switching capacity: Depends on the selected contact arrangement, load type and part number
- Installation area: Industrial control panels and electrical cabinets
The exact contact rating and electrical specifications depend on the selected Siemens article number. The complete part number should be checked before placing an order.
Siemens LZS RT Plug-in Relays
Siemens LZS RT relays are generally selected where one or two changeover contacts are required. Their compact size makes them suitable for control panels where DIN rail space is limited.
They are commonly used for PLC interfacing, contactor control, solenoid valve switching, alarm circuits and general-purpose control duties.
Siemens LZS PT Plug-in Relays
Siemens LZS PT relays are used where the control circuit requires two, three or four changeover contacts from a single relay.
These models suit applications involving several switching, indication or interlocking functions. They are often used in machine panels, process control systems, pump panels and industrial automation equipment.
Features
- Plug-in relay design allows quick replacement.
- Panel wiring remains connected to the relay socket.
- Available with different numbers of changeover contacts.
- AC and DC coil-voltage options are available.
- Screw and push-in terminal versions suit different wiring methods.
- LED indication helps identify the relay operating condition.
- Retaining clip keeps the relay secure inside the socket.
- Complete assemblies simplify product selection.
- Separate relays and sockets are available for maintenance.
- DIN rail construction makes panel installation straightforward.
- Suitable for switching, isolation and contact multiplication.
- Can be used between PLC systems and field-level equipment.
- Siemens construction suits continuous use in industrial control panels.
Applications
- Siemens SIRIUS LZS Plug-in Relays are commonly used in:
- PLC input and output circuits
- Industrial automation panels
- Machine control panels
- Motor control centres
- Contactor control circuits
- Solenoid valve switching
- Pump and compressor panels
- Conveyor control systems
- HVAC control panels
- Alarm and indication circuits
- Electrical interlocking circuits
- Packaging and production machinery
- Process plant control systems
- Building automation panels
- Industrial maintenance and replacement work
Siemens LZS Plug-in Relay Supplier and Exporter
ARP IMPEX supplies Siemens SIRIUS LZS Plug-in Relays for new control panels, industrial projects, OEM machines and replacement requirements.
We can supply complete LZS relay assemblies as well as individual plug-in relays, sockets and accessories. Buyers replacing an existing relay should share the full Siemens article number printed on the relay or socket.
