EXW Singapore — collect or forward from our Singapore office.

3G Electric
SALSBURY INDUSTRIES Mailbox: 4B+, 3 Doors, Vertical, 19 in H x 18 3/4 in W x 7 1/2 in D, Surface Mounting - Multi-Unit Mailboxes
SALSBURY INDUSTRIESMulti-Unit Mailboxes

SALSBURY INDUSTRIES Mailbox: 4B+, 3 Doors, Vertical, 19 in H x 18 3/4 in W x 7 1/2 in D, Surface Mounting

3G Electric supplies the SALSBURY INDUSTRIES 4B+ Multi-Unit Mailbox (MPN 3503ZRU), a vertical, surface-mounting, lockable unit with 3 doors and dimensions of 19 in H x 18 3/4 in W x 7 1/2 in D.

SKU 3G-OTH-643366

Also listed as: 3503 ZRU · 3503-ZRU

Brand
SALSBURY INDUSTRIES
Item
Mailbox: 4B+, 3 Doors, Vertical, 19 in H x 18 3/4 in W x 7 1/2 in D, Surface Mounting
Part Number
3503ZRU
Category
Multi-Unit Mailboxes
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

SALSBURY INDUSTRIES
Manufacturer Part Number
3503ZRU
Type
Vertical, 19 in H x 18 3/4 in W x 7 1/2 in D, Surface Mounting, Lockable
Doors
3

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

SALSBURY INDUSTRIES Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

3G Electric supplies the SALSBURY INDUSTRIES 4B+ Multi-Unit Mailbox (MPN 3503ZRU), a vertical, surface-mounting, lockable unit with 3 doors and dimensions of 19 in H x 18 3/4 in W x 7 1/2 in D.

Frequently Asked Questions

What is the SALSBURY INDUSTRIES 4B+ mailbox used for?

The SALSBURY INDUSTRIES 4B+ mailbox (MPN 3503ZRU) is a vertical, surface-mounting, lockable multi-unit mailbox with 3 doors. It is designed for secure mail distribution in commercial buildings, apartment complexes, or industrial facilities where multiple tenants or departments require individual lockable compartments.

What are the specifications of the SALSBURY INDUSTRIES 4B+ mailbox?

The SALSBURY INDUSTRIES 4B+ mailbox (MPN 3503ZRU) is a vertical, surface-mounting, lockable unit with 3 doors. Dimensions are 19 in H x 18 3/4 in W x 7 1/2 in D. It features a front-access design and is part of the 4B+ series. 3G Electric supplies this product globally.

Where to buy the SALSBURY INDUSTRIES 4B+ mailbox worldwide?

3G Electric supplies the SALSBURY INDUSTRIES 4B+ mailbox (MPN 3503ZRU) to customers worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for pricing and lead time on this lockable, vertical, surface-mounting multi-unit mailbox.

How to install the SALSBURY INDUSTRIES 4B+ mailbox?

Install the SALSBURY INDUSTRIES 4B+ mailbox (MPN 3503ZRU) by mounting it vertically on a sturdy wall surface using appropriate hardware (not included). Ensure the surface is level and the unit is securely fastened. The lockable doors provide secure access for each compartment. 3G Electric supplies this unit globally.

Used in

Common applications for SALSBURY INDUSTRIES
Multi-tenant residential buildings — Salsbury Cluster Box Unit (MPN 3312GRY-U) with 13 doors for centralized mail delivery.
Commercial office complexes — Salsbury 4C series recessed mailbox (MPN 3706D-2PAFU) for wall-mounted mail distribution.
Institutional facilities — Salsbury 4B+ vertical surface-mount mailbox (MPN 3503ZSU) for compact mail organization.
Outdoor mail kiosks — Salsbury aluminum pedestal (MPN 3395BRZ) for mounting Cluster Box Units in parking areas.
Retrofit projects — Salsbury pedestal (MPN 3385BLK) for replacing or upgrading existing CBU mounting bases.
High-traffic mailrooms — Salsbury horizontal recessed mailbox (MPN 3711S-2PAFU) with lockable doors for secure mail handling.
Not sure this is the right part? Photo-identify it→

SALSBURY INDUSTRIES Products

3G Electric supplies SALSBURY INDUSTRIES multi-unit mailboxes. 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 →

More from SALSBURY INDUSTRIES

View all SALSBURY INDUSTRIES parts →
Horizontal multi-unit mailbox with 18 front-access lockable doors. Measures 62 in H x 30 1/2 in W x 18 in D. Designed for pedestal mounting. Suitable for centralized mail delivery in multi-tenant residential or commercial settings
SALSBURY INDUSTRIES
Horizontal multi-unit mailbox with 18 front-access lockable doors. Measures 62 in H x 30 1/2 in W x 18 in D. Designed for pedestal mounting. Suitable for centralized mail delivery in multi-tenant residential or commercial settings
Horizontal multi-unit mailbox with 13 lockable front-access doors. Pedestal mounting for centralized mail distribution in multi-tenant residential or commercial settings. Dimensions: 62 in H x 30 1/2 in W x 18 in D
SALSBURY INDUSTRIES
Horizontal multi-unit mailbox with 13 lockable front-access doors. Pedestal mounting for centralized mail distribution in multi-tenant residential or commercial settings. Dimensions: 62 in H x 30 1/2 in W x 18 in D
Vertical multi-unit mailbox with 3 front-access doors, surface mounting design, and lockable compartments. Measures 19 in H x 18 3/4 in W x 7 1/2 in D. Suitable for secure mail distribution in multi-tenant residential or commercial buildings
SALSBURY INDUSTRIES
Vertical multi-unit mailbox with 3 front-access doors, surface mounting design, and lockable compartments. Measures 19 in H x 18 3/4 in W x 7 1/2 in D. Suitable for secure mail distribution in multi-tenant residential or commercial buildings

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first