SS2221ZA-EN | STI | Alarms & Indication
This Stopper® Station, turn-to-reset push button switch, with shield, is housed in a curved shell with CUSTOM messaging. Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated for 6 amps @ 600 VAC or 1 amp @ 250 VDC. Part of the Stopper® Station series, which is a multipurpose push button series that covers a wide range of applications both indoors and outdoors. This product's unique, curved design helps protect against accidental activation.
Brand:STI
MPN:SS2221ZA-EN
SKU:SS2221ZA-EN
product specifications
Color
Yellow
Type
Push Button
Material
Polycarbonate
Approvals
UL/cUL Listed under File No. S7255 (SS2xy8 models excluded), CSA Certified to C22.2 No. 205 (SS2xy8 models excluded), SS2xy7 models: covered under the UL/cUL Listing for indoor or outdoor use without a cover, UL 294 compliant when used with LT-1UL models, ADA Compliant (SS2xy3 models excluded)
Switch Action
Turn to Reset
Mount
Wall,Surface
Supply Voltage
125 VAC,250 VAC
product series specifications
Models SS2xx0, SS2xx1, SS2xx3, SS2xx4:
Interchangeable or replaceable N.O. or N.C., SPST gold-plated contact blocks rated for 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.
Models SS2xx2, SS2xx5, SS2xx9:
Two (2) Form C contacts, DPDT, rated 10 amps @ 125/250 VAC, 1/2 HP, 6 amps @ 30 VDC
Models SS2xx6:
2 momentary independent Form C contacts, DPDT
Rated at: 10A, 125/250VAC; 1/2 HP
6A, 30 VDC
100,000 operations
Temperature: 32°F to 120°F (0°C to 49°C)
Models SS2xx8:
Switch rating 10 amps @ 240 VAC resistive and has a timer range: 2 - 60 seconds (± 15%)
Indoor use only. Not recommended for outdoor/water applications, temperature range of button 15° to 120°F (-9° to +49°C).
Timer life of over 1,000,000 operations.
Pneumatic adjustable timer opens or closes a circuit and has a timed delay before reset. No electricity to operate.
Ideal for security applications.
1 Form Z, 1 N.O. and 1 N.C. contact.
product series features
- Multipurpose push button switches cover a wide range of applications both indoors and outdoors
- Three year guarantee against breakage of polycarbonate in normal use (one year on electro mechanical and electronic components)
- Unique, curved design helps protect against accidental activation
- Station housing molded of tough polycarbonate
- UL Listed to U.S. and Canadian safety standards
- Models used with LT-1UL Latching Timer Module are listed for access control
- Stainless steel backplate
- Push buttons are ADA Compliant (excludes "3" key switch button)
more information & related documents
Series Description
These ADA Compliant, multipurpose push button switches cover a wide range of applications both indoors and outdoors. They're called Stopper Stations. They incorporate a unique, patented design that helps dramatically to stop accidental activation. A number of standard models are available or we can create custom units to meet your needs exactly. You have your choice of any of five universal shell colors, several button styles, standard or custom wording and language.
Kele Description
STOPPER STATION PUSH BUTTON WITH SHIELD, TURN-TO-RESET, CUSTOM LABEL
Manufacturer
STI
SS2008 Installation and Service Instructions 
