STI Stopper Station Push Button with Stopper Station Shield SS2221LD-EN, "Lockdown" Label, Turn-to-Reset Button, Yellow

One push. Lockdown, started.

A flush-mount emergency push button with a raised LOCKDOWN label and a protective cover. Built for fire alarm, security and facility professionals who need a dependable lockdown signal.

$120.24
In stock
See details
Fast shippingSTISecure checkout
STI Stopper Station Push Button with Stopper Station Shield SS2221LD-EN
Cover lifted, button pushedProtective cover, Lift Here
Turn to resetUL/cUL Listed, ADA Compliant

An emergency button must work, and never by accident.

A lockdown button sits in schools, hospitals and public buildings. It has to be easy to trigger on purpose and hard to trigger by mistake.

✕
Without itWithout a shield, an exposed button can be bumped, damaged or pressed by accident.
✓
With the SS2221LD-ENThe Stopper Station cover helps protect the button from damage and accidental activation, and the raised LOCKDOWN label makes its purpose clear.
What you get

Built for a deliberate alarm

Cover, label, reset and contacts are all designed around emergency signaling.

Protective cover

Helps protect the button from damage and accidental activation.

STI Stopper Station Push Button with Stopper Station Shield SS2221LD-EN, "Lockdown" Label, Turn-to-Reset Button, Yellow
6 amps

Contact rating at 600 VAC

Also rated 1 amp @ 250 VDC.

Raised LOCKDOWN label

A raised label marks the button's purpose.

Turn-to-Reset button

Turn the button to reset it after it has been pushed.

Flexible contact blocks

Gold-plated SPST N.O. or N.C. blocks are interchangeable or replaceable, and the switch holds up to three sets of isolated contacts.

The brand

STI

90 STI products at Raztechs.

Shop STI
  • Fast shippingUS and Canada
  • 30-day returnsOn eligible items
  • Quotes & sourcingJust ask
Details

Everything you need to know.

BrandSTI
ModelSS2221LD-EN
Product LineStopper Station
Product TypePush Button
ColorYellow
MaterialStainless Steel
Mount TypeFlush Mount
Contact TypeNO/NC (Combination)
Input Voltage250V DC
Operating Temperature-40°F to 249°F
ADA CompliantYes
Country of OriginUS
Description

STI Stopper Station Push Button with Stopper Station Shield SS2221LD-EN, "Lockdown" Lab...

The STI SS2221LD-EN is a Stopper Station Push Button with Stopper Station Shield ("Lockdown" Label, Turn-to-Reset Button, Yellow). It is made for fire alarm, security and facility professionals who need dependable emergency push button equipment.

Key Features

  • Turn-to-Reset button
  • Raised LOCKDOWN label
  • Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated 6 amps @600 VAC or 1 amp @ 250 VDC
  • Standard switch includes one N.O. and one N.C. contact. Holds up to three sets of isolated contacts
  • Protective cover helps protect button from damage and accidental activation
  • UL/cUL Listed
  • ADA Compliant

Specifications

  • Brand: STI
  • Model: SS2221LD-EN
  • Product Line: Stopper Station
  • Product Model: SS2221LD-EN
  • Product Series: SS2
  • Product Type: Push Button
  • Material: PC, Stainless Steel
  • Maximum Operating Temperature: 249.8°F (121°C)
  • Maximum Operating Temperature (°F): 249.8
  • Minimum Operating Temperature: -40°F (-40°C)
  • Minimum Operating Temperature (°F): -40
  • Application/Usage: Alarm, Indoor/Outdoor
  • Form Factor: Flush Mount
  • Product Color: Yellow
  • Input Voltage: 250V DC, 600V AC
  • Input Voltage (V AC): 230
  • Contact Type: N/C, N/O
  • Print/Message: Lift Here, Lock Down, Push
  • Limited Warranty: 3 year
  • Certifications & Standards: ADA Compliant cULus CE FDA CSA C22.2 No. 205
  • Features: Flush Mount, Key Reset
  • Shipping weight: 0.65 lb

Typical Uses

  • Emergency, lockdown and exit signaling
  • Schools, hospitals, offices and public buildings

Please confirm that the SS2221LD-EN matches your system, panel, mounting and finish requirements before ordering. Contact us with the model of your existing equipment if you need help checking compatibility.

Good to know: Please confirm that the SS2221LD-EN matches your system, panel, mounting and finish requirements before ordering.

Need help with compatibility?

Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

Request a quote
STI Stopper Station Push Button with Stopper Station Shield SS2221LD-EN, "Lockdown" Label, Turn-to-Reset Button, Yellow
At a glance

STI SS2221LD-EN, ready to order.

  • Product Line: Stopper Station
  • Product Type: Push Button
  • Color: Yellow
  • Material: Stainless Steel
$120.24SS2221LD-EN

Related equipment

You may also like

STI Stopper Station Push Button SS2401EM-EN STI Stopper Station Push Button SS2401EM-EN, No Cover, Turn-to-Reset, 'EMERGENCY' Label, Blue Model: SS2401EM-EN In stock $110.84 STI Universal Pneumatic Button UB-1PN STI Universal Pneumatic Button UB-1PN, Pneumatic Push Button Kit with over 300 Combinations Model: UB-1PN In stock $300.69 STI Stopper Station Push Button SS2408EX-EN STI Stopper Station Push Button SS2408EX-EN, No-Cover, Pneumatic, LED, "Emergency" Exit Label, Blue Model: SS2408EX-EN In stock $316.27 STI Universal Button UB-1 STI Universal Button UB-1, Push Button Kit with over 300 Combinations Model: UB-1 In stock $95.39 STI Replacement Contact Holder for Stopper Station KIT-M10197H STI Replacement Contact Holder for Stopper Station KIT-M10197H Model: KIT-M10197H In stock $158.30 STI NEMA 4X Protective Cabinet with Backplate and Key Lock STI-7520 STI NEMA 4X Protective Cabinet with Backplate and Key Lock STI-7520, Clear Model: STI-7520 In stock $189.30 STI Beacon and Sounder Cage STI-9614 STI Beacon and Sounder Cage STI-9614, 7.8"H 7.8"W 6"D, White Model: STI-9614 In stock $82.62 STI 12-Volt Heater Kit STI-6580 STI 12-Volt Heater Kit STI-6580, Self-Adhesive Heater Pad Model: 12-Volt In stock $144.30