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Lindy 47890 RJ45 Port Blocker Extra Key Black Single Key for Lindy Black RJ45 Port Blockers No Locks Included

Brand:
Lindy
Lindy 47890 RJ45 Port Blocker Extra Key Black
Lindy 47890 RJ45 Port Blocker Extra Key Black Single Key for Lindy Black RJ45 Port Blockers No Locks Included
€7.7 inc. VAT
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47890
€6.47
€7.70 inc. VAT
Ships from EU stock: 31 item(s)
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Product Code
04:496105
EAN Code
4002888478908
Manufacturer
Lindy

Quick Specs

Type
RJ45 blocker key
Opens
Black Lindy RJ45 blockers
In the Bag
1 key · no blockers
Size
74.55 mm · 5 g
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Lindy 47890 — RJ45 Port Blocker Extra Key, Black

1 keyRJ45 blockersBlack onlyNo blockers included

The Lindy 47890 is the RJ45 Port Blocker Extra Key in black: a single colour-coded key for Lindy’s RJ45 port blocker system. It fits and removes Lindy black RJ45 port blockers — you insert the key into the blocker and pull back to release it from the port. It is sold on its own, with no blockers in the bag, so it is the part you order as a spare for IT, as a second key for another site or technician, or to replace a lost one. In practice a spare key means a blocked network port can always be released when a cable really needs to go in, without waiting for the one person who holds the original.

Compatibility — check before buying:
This is a key only — no blockers are included. Lindy states its keys are colour-specific and only open blockers of the same colour, so this black key releases black Lindy RJ45 blockers and nothing else. If you do not own black blockers yet, order the Black RJ45 Port Blocker Kit 47891 (1 key + 10 locks) or the Black Extra Lock Pack 47892 (20 locks, no key). It is made for Lindy’s RJ45 blockers; it does not open Lindy USB-A, USB-C or SFP blockers. Not sure which colour you run? Send us a photo of a blocker and we check it.

Best For

✓ Spare key for IT teams
✓ A second key for another office
✓ Replacing a lost black key
✓ Network technicians and contractors
✓ Schools, hotels and retail networks
✓ Colour-coded zones and VLANs

Key Features

 
One key, one colour
Opens only black Lindy RJ45 blockers, so each team, zone or site can keep its own colour and its own keys.
 
Insert and pull back
The key slides into the blocker and draws it out of the port — no tools, software or power involved.
 
Spare without extra locks
Buy the key on its own instead of a full kit when you already have enough black blockers in place.
 
Light and flat
74.55 mm long and 5 g, so it lives on a key ring, in a drawer or in a technician’s bag.

Technical Specifications

Identification
Brand Lindy
Product RJ45 Port Blocker Extra Key, Black (1x Key)
Part Number 47890
EAN / GTIN 4002888478908
Colour Black
Physical
Dimensions 20 × 74.55 × 5.9 mm
Housing ABS
Weight 0.005 kg net · 0.010 kg with packaging
Packaging Polybag, 133 × 144 mm
Compliance RoHS, REACH, California Proposition 65
Operation
Opens Black Lindy RJ45 port blockers only
Use Insert the key into the blocker and pull back to release it
Does Not Open Other colours, Lindy USB and SFP blockers, other brands
System
Kit with Key 47891 — 1 key + 10 locks
Extra Locks 47892 — 20 locks, no key
The Lindy RJ45 Range
Extra Keys 47890 black · 47893 green · 47896 orange · 47899 yellow
Kits (1 key + 10 locks) 47891 black · 47894 green · 47897 orange · 47900 yellow
Extra Lock Packs (20 locks) 47892 black · 47895 green · 47898 orange · 47901 yellow
SFP Blocker Key 47911 green
Good to Know
Spare Keys We suggest at least one spare key per colour, kept with IT
Who Holds a Key Only staff allowed to connect cables to controlled ports
Mixing Colours Keys do not cross colours — plan one colour per team, zone or VLAN
Fitting Blockers are pushed in by hand; the key is used to take them out
In the Box
Included 1 × Black RJ45 Port Blocker key
Not Included Port blockers — order 47891 or 47892
Warranty
Warranty 1-Year Warranty (Singular)
Manufacturer Term Lindy publishes a 2-year warranty on this product. Singular’s direct warranty is 1 year; beyond that we assist you with the manufacturer’s warranty process for its full duration.

Frequently Asked Questions

Are blockers included?
No. The 47890 is one black key only. For blockers, order the Black RJ45 Port Blocker Kit 47891 (1 key + 10 locks), or the Black Extra Lock Pack 47892 (20 locks, no key) if you already have the key.
Will it open blockers of another colour?
No. Lindy states the keys are colour-specific and work only with blockers of the same colour. That is deliberate: it lets you split ports between teams or zones. Tell us the colour you run and we match it.
Does it open Lindy USB or SFP blockers?
No. It is made for Lindy RJ45 port blockers. USB-A, USB-C and SFP blockers use their own keys or kits — ask us and we point you to the right part.
Why buy a spare key?
A blocked port cannot be used until it is released, so one key per site or technician avoids waiting for the person who holds the original. Keep at least one spare per colour with IT.
Singular Expert Insight
We sell the 47890 to customers who already run Lindy black RJ45 blockers and need another key — for a second office, a contractor or as the spare IT keeps in the drawer. If you are starting from scratch, the kit 47891 is the better buy because it brings the key and the blockers together, and 47892 adds twenty more locks later. Keep one colour per zone and stay with it. Every order comes with Singular’s local support in Cyprus. See our security products or the network switches these blockers protect.

Buyer’s Guide

Buy it if

You run Lindy black RJ45 blockers and need a spare or second key.

Skip it if

You have no black Lindy RJ45 blockers yet — take kit 47891 instead.

Also consider

Lindy 47891, the black kit with key and blockers.

Features - Lindy - 47890

Colour
black
More Details
Product Code
04:496105
EAN Code
4002888478908
Manufacturer
Lindy
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