Close-up of industrial control electronics

Automation

Our Products Range

We stock the best of the breed product lines delivering high performance at very affordable prices. This, combined with our commitment to uncompromising customer service, enables our customers to get the perfect integration solutions they need and the support they deserve at the most affordable cost.

Services Our Products Clients Projects — Completed Projects — Current SCADA Schemes Protection Schemes 33 KV MPLS 132 KV OPGW

Product range

What we supply and integrate

To achieve this, we deal with most reputed brands of telecom, networking and industrial automation products.

RTU Panels

Complete RTU panels engineered, wired and factory tested by STEL — ready to report plant data to the load despatch centre.

RTU, I/O modules, meter interface, GPS time sync and DC supply in one cabinet
Mini, main & standby and redundancy configurations
IEC-101 / IEC-104 to SLDC, SRLDC and NLDC
Factory acceptance test before dispatch

In our shop

See our RTU panels

FOTE / MPLS-TP MUX Panels

FOTE — fibre optic terminal equipment — for plants and substations on OPGW: SDH / PDH and MPLS-TP multiplexers, panel-mounted with the FODP and DC supply.

SCADA data, tele-protection, voice and Ethernet over one fibre
E1 (G.703), IEEE C37.94, Ethernet and RS-232 interfaces
Utility-approved makes, as specified by the TRANSCO
Supplied, installed and commissioned with the OPGW link

132 KV OPGW work procedure Ask for a quotation

Industrial Media Converters

Copper-to-fibre conversion that carries plant and substation Ethernet across long distances and high-voltage areas.

10/100 and Gigabit models, SC / LC and SFP options
Single-mode and multimode fibre
DIN-rail mounting with redundant DC power inputs

In our shop

RTUs / FRTUs

Remote terminal units for generating stations and substations, and feeder RTUs (FRTUs) for distribution automation.

RTUs: Synergy HUSKY 6049-E70, Schneider MiCOM C264C, Siemens CP-8000
FRTUs at ring main units and sectionalisers on 11 KV feeders
IEC-101 / IEC-104 over fibre, radio or GPRS / 4G

In our shop

See our RTUs

Industrial Communication Gateways

Protocol conversion between field devices and SCADA — so meters, relays and legacy RTUs report in the protocol the control centre needs.

Modbus to DNP3 and IEC-101 to IEC-104 gateways
Modbus TCP to Modbus RTU conversion
RS485 / RS232 to Ethernet serial device servers

In our shop

Industrial Networking Products

Hardened Ethernet switches, routers and optics for plant, substation and remote-site networks.

Unmanaged and managed industrial switches
4G LTE routers for remote sites
SFP transceivers, fibre patch cords and FODPs

In our shop

Data acquisition products

RTUs we supply and integrate

Synergy

HUSKY 6049-E70 RTU

Remote terminal unit for data acquisition.

Details →

Schneider Electric

MiCOM C264C RTU

KEMA certified RTU. Acquires plant data like bus voltage, frequency, MW and MVAR; data output in IEC-101 / IEC-104 protocol.

Details →

Siemens

CP-8000

Data acquisition product. Siemens: RTUs, protection relays and PLCs.

Details →

RTU panels

Panels

RTU panel

STEL mini RTU Panel

Compact RTU panel assembled by STEL.

RTU panel

SIEMENS Redundancy RTU Panel

Redundancy RTU panel — as supplied for Sterling & Wilson FRV 50 MW, integrated to SRLDC Bangalore and NLDC Delhi in IEC-104 protocol.

Looking for converters, gateways or switches?

Media converters, RS485 converters, Modbus to DNP3 gateways and industrial networking products in our online shop.

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