We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

GUARDIAN TELECOM INC. Vandal Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas - Rugged Phones for Hazardous Areas
GUARDIAN TELECOM INC.Rugged Phones for Hazardous Areas

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

The GUARDIAN TELECOM INC. WTT-40 is a surface-mount, armored rugged phone for hazardous areas, featuring a metal keypad and electret noise-reducing microphone. This yellow, corrosion-resistant commercial-grade phone…

SKU 3G-OTH-422171

Also listed as: WTT40 · WTT 40

Brand
GUARDIAN TELECOM INC.
Item
Vandal Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas
Category
Rugged Phones for Hazardous Areas
Available to Order
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 — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

GUARDIAN TELECOM INC.
Manufacturer Part Number
WTT-40
Type
Rugged Phones for Haz Areas, Keypad
Vandal 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. WTT-40 is a surface-mount, armored rugged phone for hazardous areas, featuring a metal keypad and electret noise-reducing microphone. This yellow, corrosion-resistant commercial-grade phone is designed for outdoor wall mounting and PSTN connectivity.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the GUARDIAN TELECOM INC. WTT-40 used for?

The WTT-40 is a surface-mount, armored rugged phone designed for hazardous areas. It provides reliable voice communication in outdoor, corrosive, or high-risk industrial environments such as chemical plants, refineries, and marine facilities, where standard phones would fail.

What are the specifications of the GUARDIAN TELECOM INC. WTT-40?

The WTT-40 is a yellow, corrosion-resistant, armored phone with a metal keypad and electret noise-reducing microphone. It is commercial-grade, outdoor-rated, wall-mountable, and connects via PSTN. The manufacturer part number is WTT-40.

Where to buy the GUARDIAN TELECOM INC. WTT-40 worldwide?

3G Electric supplies the GUARDIAN TELECOM INC. WTT-40 worldwide. As a global industrial equipment distributor, 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. WTT-40?

The WTT-40 is designed for surface wall mounting. Mount the phone securely to a flat surface using appropriate hardware for the environment. Connect the PSTN line per local wiring standards. For hazardous area installations, follow applicable safety codes and consult a qualified electrician.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
GUARDIAN TELECOM INC. Weather Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas, PSTN (MPN WRT-30)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Weather Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas, PSTN (MPN WRT-30)
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-30-V-H)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-30-V-H)
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN WRT-10-V-H)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN WRT-10-V-H)
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-10-V-H)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-10-V-H)

More from GUARDIAN TELECOM INC.

View all GUARDIAN TELECOM INC. parts
GUARDIAN TELECOM INC. Vandal Resistant Telephone: Surface Mount, Keypad, WTT-40-V, Volume Control
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Vandal Resistant Telephone: Surface Mount, Keypad, WTT-40-V, Volume Control
GUARDIAN TELECOM INC. Hazardous Area Steel Water Tight Telephone: Surface Mount, Keypad, WTT-40-H
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Steel Water Tight Telephone: Surface Mount, Keypad, WTT-40-H
GUARDIAN TELECOM INC. Compact Steel Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-10)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Compact Steel Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN SCT-10)
GUARDIAN TELECOM INC. Water Tight Ringdown Telephone: Surface Mount, Rugged Phones for Haz Areas (MPN WTT-30)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Water Tight Ringdown Telephone: Surface Mount, Rugged Phones for Haz Areas (MPN WTT-30)
GUARDIAN TELECOM INC. Correctional Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN CIT-40)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Correctional Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN CIT-40)
GUARDIAN TELECOM INC. Water Tight Telephone: Surface Mount, Keypad, Speakerphone, DTT-60, 1 Lines
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Water Tight Telephone: Surface Mount, Keypad, Speakerphone, DTT-60, 1 Lines
GUARDIAN TELECOM INC. Hazardous Area Water Tight Telephone: Surface Mount, Keypad, WTT-30-H, Outdoor
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Water Tight Telephone: Surface Mount, Keypad, WTT-30-H, Outdoor
GUARDIAN TELECOM INC. Weather Resistant Ringdown Telephone: Surface Mount, Ringdown, WRR-11-V, VoIP
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Weather Resistant Ringdown Telephone: Surface Mount, Ringdown, WRR-11-V, VoIP