GUARDIAN TELECOM INC.Rugged Phones for Hazardous Areas

GUARDIAN TELECOM INC. Weather Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas

SKU 3G-OTH-422167

Also listed as: WRT30 · WRT 30

Brand

GUARDIAN TELECOM INC.

Item

Weather Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Specifications

GUARDIAN TELECOM INC.

Manufacturer Part Number

WRT-30 

Type

Rugged Phones for Haz Areas, PSTN 

Weather Resistant Telephone

Surface Mount 

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

GUARDIAN TELECOM INC. Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

The GUARDIAN TELECOM INC. WRT-30 is a weather-resistant, rugged telephone for hazardous areas, designed for outdoor commercial use. This PSTN phone features a yellow plastic housing, a curly cord, a metal keypad, and an electret noise-reducing microphone. It is surface-mountable on a wall and includes a noise-reducing microphone.

Frequently Asked Questions

What is the GUARDIAN TELECOM INC. WRT-30 used for?

The WRT-30 is a weather-resistant rugged telephone for hazardous outdoor areas. It provides reliable PSTN voice communication in commercial environments where standard phones would fail, such as industrial plants, loading docks, and remote facilities.

What are the specifications of the GUARDIAN TELECOM INC. WRT-30?

The WRT-30 is a yellow plastic surface-mount phone with a metal keypad, curly cord, and electret noise-reducing microphone. It operates on PSTN networks and is rated for outdoor commercial use. The manufacturer part number is WRT-30 from GUARDIAN TELECOM INC.

Where to buy the GUARDIAN TELECOM INC. WRT-30 worldwide?

3G Electric supplies the GUARDIAN TELECOM INC. WRT-30 worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time.

How to install the GUARDIAN TELECOM INC. WRT-30?

The WRT-30 is designed for surface mounting on a wall. Mount the bracket securely, connect the PSTN line, and attach the handset. For hazardous-area installations, follow local electrical codes and ensure the mounting surface is weather-sealed to maintain the phone's weather resistance.

Used in

Common applications for GUARDIAN TELECOM INC.

Oil and gas refineries — Guardian Telecom explosion-proof phones (e.g., P4011) for communication in Zone 1 hazardous areas

Chemical processing plants — Guardian Telecom corrosion-resistant ringdown phones (e.g., ACR-11) for reliable point-to-point calls

Marine terminals — Guardian Telecom weather-resistant telephones (e.g., WTT-30-H) for outdoor dockside communication

Mining operations — Guardian Telecom steel ringdown phones (e.g., SCR-41-H) for underground or surface hazardous zones

Pharmaceutical manufacturing — Guardian Telecom intrinsically safe phones (e.g., P1021) for cleanroom environments with flammable solvents

Water treatment facilities — Guardian Telecom vandal-resistant phones (e.g., WTT-40) for outdoor areas requiring durability and corrosion resistance

GUARDIAN TELECOM INC. Products

3G Electric supplies GUARDIAN TELECOM INC. rugged phones for hazardous areas. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all GUARDIAN TELECOM INC. products →Contact our engineers →