Hold Up Buttons

USP has set the standard for HUB quality throughout the industry. The switch is manufactured with gold, silver and copper for maximum conductivity and corrosion resistance, with a current rating of 10 Amps, and a voltage rating of 125/250 volts. Button Locating Ridges are a HUB ™ exclusive. U.S. and World patents pending.

HUB-2SDB Hold-Up Buttons are a revolutionary product from the leader in the Emergency Hold-Up Buttons.  With its compact size, sturdy construction, and solid electronics, HUB2SDB applications span everything from life-threatening notification to equipment emergency stop.  

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HOLD-UP BUTTONS
HUB 2SDB  SERIES

       HUB-2SDB-L Push On-Push Off Hold Up Button

• Push On/Push Off

• No Reset Tool Required

• DPDT with 6 Screw Terminals  

• 12A @ 125VAC, 10A @ 250VAC, 1/2HP @ 125/250VAC

• 37C to 82C (-35F to 180F) Operating Temperature

• Tactile Operation

• 100,000 (minimum) Service Life 

• UL/ULC

• 2.5" x 2.25" x 1.0" Two Part Housing with Button Locator Finger Guide  

• 3-Point Mounting Holes for Under Counter, Wall, or Machine Mounting  

• Hand Soldered and Made in USA

HOLD-UP BUTTONS
HUB SERIES

HUB-2SA Momentary SPDT, 

3 Screw Terminals  

HUB-2 Latching DPDT, 

6 Solder Terminals

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HUB-2A Latching DPDT, 

3 Screw, 3 Solder Terminals

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HUB-2B Latching DPDT, 

6 Screw Terminals

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HUB-3B Momentary DPDT

6 Screw Terminals

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HUB-3B Momentary DPDT

6 Screw Terminals

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Also Available:

HUB-2S Momentary SPDT 
3 Solder Terminals

HUB-3 Momentary DPDT 
6 Solder Terminals

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HUB-3A Momentary DPDT 
3 Screw, 3 Solder Terminals

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HUB-3B Momentary DPDT
6 Screw Terminals

HUB LED SERIES
HOLD-UP BUTTONS
EMERGENCY SWITCHES

      HUB-DL-L  Latching SPDT 3          Screw Terminals

• Flashing LED powered by Lithium Coin Battery – Easily replaceable 

• Visual Indication of Switch Operation and HUB Activation

• 10+ Years Battery Life

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Also Available:

HUB-DL-M Momentary SPDT 
3 Screw Terminals

WIRELESS SERVICE
HOLD-UP BUTTONS

      HUB-TRU-M
      900MHz Momentary Push            Button Transmitter

• Wirelessly Operate Security Alarms, Signal Devices, Security Cameras, Controls, Door Latches, Equipment, Machinery & Hazardous Areas

• 10+ year Lithium Battery

• Low Transmitter Battery Indication with most USP Receivers.

• 900MHz models with up to ½ mile range

Also Available:

300MHz Momentary pushbutton transmitter

HUB-W1L 
300MHz Latching pushbutton transmitter

HUB-TRU-M
900MHz Momentary pushbutton transmitter

HUB-TRU-L
900MHz Latching pushbutton transmitter

HUB-2S-ES Momentary SPDT
3 Solder Terminals

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HUB-2SA-ES Momentary SDPT
3 Screw Terminals

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HUB-2-ES Latching DPDT, 
6 Solder Terminals

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HUB-2A-ES Latching SPDT,
3 Screw, 3 Solder Terminals

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EMERGENCY PANIC  SWITCH

TRU 900MHz HUBs and SYSTEM RECEIVERS

TRU Series HUB Transmitters and Receivers feature frequency-hopping, spread-spectrum technology that defeats interference and provides up to ½ mile of highly reliable range. 
TRUs are the most powerful low cost wireless monitoring systems available.

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HUB-TRU-M 
Momentary one-way transmitter

HUB-TRU-L 
Latching one-way transmitter

HUB-TRU-R
1-channel receiver that can monitor up to 10 transmitters

HUB-TRU-4R
4-channel receiver that can monitor up to 4 transmitters

HUB-TRU-16R
5-channel LCD receiver that can monitor up to 16 transmitters - Event log displays last 50 alarm events 

HUB-TRU-32R
12-channel LCD receiver that can monitor up to 32 transmitters - Event log displays last 50 alarm events  

SPEC SHEET