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

3G Electric
RFQ CartGet a QuoteSign inSign up
GUARDIAN TELECOM INC. Aluminum Casting Ringdown Telephone: Surface Mount, Ringdown, ACR-11 - Rugged Phones for Hazardous Areas
GUARDIAN TELECOM INC.Rugged Phones for Hazardous Areas

GUARDIAN TELECOM INC. Aluminum Casting Ringdown Telephone: Surface Mount, Ringdown, ACR-11

The GUARDIAN TELECOM INC. ACR-11 is an outdoor-rated, corrosion-resistant aluminum casting ringdown telephone designed for hazardous areas. It features a surface-mount, wall-mountable design with a spring-loaded door…

SKU 3G-OTH-422175

Also listed as: ACR11 · ACR 11

Brand
GUARDIAN TELECOM INC.
Item
Aluminum Casting Ringdown Telephone: Surface Mount, Ringdown, ACR-11
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

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
ACR-11
Type
Ringdown, ACR-11, Outdoor
Aluminum Casting Ringdown 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. ACR-11 is an outdoor-rated, corrosion-resistant aluminum casting ringdown telephone designed for hazardous areas. It features a surface-mount, wall-mountable design with a spring-loaded door and magnetic latch, a keylock door, and a curly cord. The phone supports 10/100 mbps Ethernet and PSTN connectivity, and is finished in gray.

Frequently Asked Questions

What is the GUARDIAN TELECOM INC. ACR-11 used for?

The ACR-11 is a rugged ringdown telephone for hazardous outdoor areas. It provides instant one-touch communication in industrial plants, refineries, and remote sites. Its corrosion-resistant aluminum casting and spring-loaded door with magnetic latch ensure reliable operation in harsh environments.

What are the specifications of the GUARDIAN TELECOM INC. ACR-11?

The ACR-11 is a surface-mount, wall-mountable ringdown phone in gray aluminum. It features a keylock door, curly cord, and supports 10/100 mbps Ethernet and PSTN connectivity. It is corrosion resistant and rated for outdoor use.

Where to buy the GUARDIAN TELECOM INC. ACR-11 worldwide?

3G Electric supplies the GUARDIAN TELECOM INC. ACR-11 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. ACR-11?

Mount the ACR-11 securely to a wall using the surface-mount bracket. Connect the PSTN line or 10/100 mbps Ethernet cable as per your network. Ensure the spring-loaded door and magnetic latch close properly. Test ringdown functionality before sealing the keylock door.

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. 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. 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. 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 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. 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)

More from GUARDIAN TELECOM INC.

View all GUARDIAN TELECOM INC. parts →
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
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-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. Aluminum Casting Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN ACT-30)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Aluminum Casting Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN ACT-30)
GUARDIAN TELECOM INC. Vandal Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN WTT-40)
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Vandal Resistant Telephone: Surface Mount, Rugged Phones for Haz Areas, Keypad (MPN WTT-40)
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)
GUARDIAN TELECOM INC. Hazardous Area Steel Ringdown Telephone: Surface Mount, Ringdown, SCR-41-H
GUARDIAN TELECOM INC.
GUARDIAN TELECOM INC. Hazardous Area Steel Ringdown Telephone: Surface Mount, Ringdown, SCR-41-H