We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
GUARDIAN TELECOM INC. WTT-30-H Hazardous Area Water Tight Telephone - Rugged Phones for Hazardous Areas
GUARDIAN TELECOM INC.Rugged Phones for Hazardous Areas

GUARDIAN TELECOM INC. WTT-30-H Hazardous Area Water Tight Telephone

The GUARDIAN TELECOM INC. WTT-30-H is a Division 2 Approved rugged phone for hazardous areas, featuring a corrosion-resistant plastic housing in yellow with a metal keypad and electret noise reducing microphone. This…

SKU 3G-OTH-422170

Also listed as: WTT30H · WTT 30 H

Brand
GUARDIAN TELECOM INC.
Item
WTT-30-H Hazardous Area Water Tight Telephone
Part Number
WTT-30-H
Category
Rugged Phones for Hazardous Areas
Available to Order
Also known as:WTT-30-HGUARDIAN TELECOM INC.
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

GUARDIAN TELECOM INC.
Manufacturer Part Number
WTT-30-H
Type
Keypad, WTT-30-H, Outdoor
Hazardous Area Water Tight 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. WTT-30-H is a Division 2 Approved rugged phone for hazardous areas, featuring a corrosion-resistant plastic housing in yellow with a metal keypad and electret noise reducing microphone. This outdoor, wall-mountable PSTN phone includes a curly cord and is designed for commercial surface-mount installations.

Frequently Asked Questions

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

The GUARDIAN TELECOM INC. WTT-30-H is a Division 2 Approved rugged phone for hazardous areas. It provides reliable voice communication in outdoor, corrosive environments where safety is critical, such as oil and gas, chemical plants, and industrial facilities. Its corrosion-resistant plastic housing and metal keypad ensure durability in harsh conditions.

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

The WTT-30-H is a yellow, surface-mount, wall-mountable PSTN phone with a metal keypad and curly cord. It features a corrosion-resistant plastic housing, electret noise reducing microphone, and is Division 2 Approved for hazardous areas. It is designed for commercial outdoor use and includes a keypad for dialing.

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

3G Electric supplies the GUARDIAN TELECOM INC. WTT-30-H worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this rugged phone for hazardous areas; we provide competitive pricing and reliable service.

How to install the GUARDIAN TELECOM INC. WTT-30-H?

The WTT-30-H is designed for surface mount installation on a wall. Mount the phone securely using appropriate hardware for outdoor environments. Connect the PSTN line to the terminal block inside the housing. Ensure the installation complies with local hazardous area regulations and Division 2 requirements for safe operation.

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
Not sure this is the right part? Photo-identify it

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Related products

More from GUARDIAN TELECOM INC.

View all GUARDIAN TELECOM INC. parts
Surface-mount watertight ringdown telephone with corrosion-resistant yellow plastic housing. Features electret noise-reducing microphone, metal keypad, and curly cord. Designed for outdoor commercial use in hazardous areas, providing reliable voice communication via PSTN connectivity
GUARDIAN TELECOM INC.
Surface-mount watertight ringdown telephone with corrosion-resistant yellow plastic housing. Features electret noise-reducing microphone, metal keypad, and curly cord. Designed for outdoor commercial use in hazardous areas, providing reliable voice communication via PSTN connectivity
Surface-mount, wall-mounted indoor telephone with gray corrosion-resistant steel housing. Features Teleseal keypad, electret noise-reducing microphone, and curly cord. Rated for commercial use in hazardous areas
GUARDIAN TELECOM INC.
Surface-mount, wall-mounted indoor telephone with gray corrosion-resistant steel housing. Features Teleseal keypad, electret noise-reducing microphone, and curly cord. Rated for commercial use in hazardous areas
The SCT-10-V-H is a rugged VoIP telephone with a steel body and corrosion-resistant finish, designed for surface-mount indoor installation in hazardous areas. It features a keypad interface, adjustable earpiece volume, and microphone sensitivity, with 10/100 mbps network connectivity. Suitable for industrial environments requiring reliable voice communication
GUARDIAN TELECOM INC.
The SCT-10-V-H is a rugged VoIP telephone with a steel body and corrosion-resistant finish, designed for surface-mount indoor installation in hazardous areas. It features a keypad interface, adjustable earpiece volume, and microphone sensitivity, with 10/100 mbps network connectivity. Suitable for industrial environments requiring reliable voice communication

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first