Modular Signal Tower OT-90 Light Modules

The MCE OT-90 Series is a modular signal tower system. You build the tower by choosing a mounting base, one or more light modules in the colours you need, and an optional 100dB buzzer module. It suits electricians, machine builders and maintenance teams who need a visual machine status indicator on production, packaging and processing equipment.

Application: Visual and audible machine status towers
Light modules: Steady (OT-901-L-T) and flashing (OT-901-L-W) in red, green, blue, amber and white
Supply voltage: 230V (light modules)
Buzzer module: OT-90-J, 100 decibel
Base: OT-90-B mounting base sub assembly (base, pedestal and cap)

Key Features

Modular: stack only the colours and functions you need
Five light colours in steady and flashing versions
MCE notes the light modules can be toggled between flash and steady
Light modules are ordered separately from the base

Typical Applications

Machine status indication (run, stop, fault, warning)
Production and packaging lines
Workshop and plant equipment

Technical Specifications

Brand	MCE Electric
Product type	Modular signal tower components
Light module voltage	230V
Buzzer module	100 decibel
Base	Base, pedestal and cap
IP rating / lamp type / buzzer voltage	Not specified by supplier – confirm before ordering

Variant Reference

SKU	Part
OT-90-B	Mounting base sub assembly (base, pedestal and cap)
OT-90-J	Buzzer module, 100dB
OT-901-L-T-R-2 / G-2 / B-2 / A-2 / W-2	Steady light module: red / green / blue / amber / white
OT-901-L-W-R-2 / G-2 / B-2 / A-2 / W-2	Flashing light module: red / green / blue / amber / white

What's Included

1 x selected component (base, buzzer module or light module)

Please note: Each variant is one component only. Light modules are supplied without the base, so order a base (OT-90-B) and the modules you need separately.

Installation & Compatibility Notes

A working tower needs at least one base (OT-90-B) and one light or buzzer module.
Confirm the buzzer module voltage with Zisabo before ordering, as it is not stated by the supplier.
Installation must be carried out by a suitably qualified electrician in accordance with SANS 10142.

Warranty & Support

This product is supplied with the applicable manufacturer or supplier warranty, subject to correct installation, correct application, and warranty terms. Zisabo supplies quality electrical products with practical support to help customers choose the correct item for their application. If you are unsure which variant is correct, contact us before ordering.

Need help choosing? Send Zisabo the colours, number of modules and whether you need a buzzer, and we will assist where possible.