![](https://static.wixstatic.com/media/156fd1_baff3157aabc4cb5b0418bd11fb77a05~mv2_d_5967_4000_s_4_2.jpg/v1/fill/w_288,h_193,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_baff3157aabc4cb5b0418bd11fb77a05~mv2_d_5967_4000_s_4_2.jpg)
United Security Products
![](https://static.wixstatic.com/media/156fd1_b849ce3f4b6644c1b880f6b7be10b401~mv2.png/v1/fill/w_62,h_62,al_c,q_85,usm_0.66_1.00_0.01,enc_auto/156fd1_b849ce3f4b6644c1b880f6b7be10b401~mv2.png)
Proven Performance Since 1970
Made in America
![](https://static.wixstatic.com/media/156fd1_baff3157aabc4cb5b0418bd11fb77a05~mv2_d_5967_4000_s_4_2.jpg/v1/fill/w_4,h_2,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_baff3157aabc4cb5b0418bd11fb77a05~mv2_d_5967_4000_s_4_2.jpg)
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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![update.jpg](https://static.wixstatic.com/media/156fd1_8c72fb2b6f9f461a89ad2a80604723b6~mv2.jpg/v1/fill/w_229,h_134,al_c,q_80,usm_0.66_1.00_0.01,enc_auto/update.jpg)
HOLD-UP BUTTONS
HUB 2SDB SERIES
HUB-2SDB Push On-Push Off Hold Up Button
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Push On/Push Off
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No Reset Tool Required
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DPDT with 6 Screw Terminals
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12A @ 125VAC, 10A @ 250VAC, 1/2HP @ 125/250VAC
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37C to 82C (-35F to 180F) Operating Temperature
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Tactile Operation
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100,000 (minimum) Service Life
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UL/ULC
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2.5" x 2.25" x 1.0" Two Part Housing with Button Locator Finger Guide
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3-Point Mounting Holes for Under Counter, Wall, or Machine Mounting
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Hand Soldered and Made in USA
![](https://static.wixstatic.com/media/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg/v1/fill/w_53,h_43,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg)
![](https://static.wixstatic.com/media/156fd1_5ee21cc9fcbe47ae95b89b5c8e668949~mv2.jpg/v1/fill/w_57,h_40,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_5ee21cc9fcbe47ae95b89b5c8e668949~mv2.jpg)
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
![](https://static.wixstatic.com/media/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg/v1/fill/w_53,h_43,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg)
HUB LED SERIES
HOLD-UP BUTTONS
EMERGENCY SWITCHES
HUB-DL-L Latching SPDT 3 Screw Terminals
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Flashing LED powered by Lithium Coin Battery – Easily replaceable
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Visual Indication of Switch Operation and HUB Activation
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10+ Years Battery Life
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Also Available:
HUB-DL-M Momentary SPDT
3 Screw Terminals
![](https://static.wixstatic.com/media/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg/v1/fill/w_53,h_43,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_f00e3e5fa9f34d888c85c766d22f529d~mv2.jpg)
WIRELESS SERVICE
HOLD-UP BUTTONS
HUB-TRU-M
900MHz Momentary Push Button Transmitter
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Wirelessly Operate Security Alarms, Signal Devices, Security Cameras, Controls, Door Latches, Equipment, Machinery & Hazardous Areas
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10+ year Lithium Battery
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Low Transmitter Battery Indication with most USP Receivers.
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900MHz models with up to ½ mile range
Also Available:
HUB-TRU-M
900MHz Momentary pushbutton transmitter
HUB-TRU-L
900MHz Latching pushbutton transmitter
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-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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![](https://static.wixstatic.com/media/156fd1_d1cb322784934f819301d340a680046c~mv2.jpg/v1/fill/w_53,h_39,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_d1cb322784934f819301d340a680046c~mv2.jpg)
EMERGENCY PANIC SWITCH
![](https://static.wixstatic.com/media/156fd1_aa99aa47c4e3404ab74e0ef450a0763c~mv2.jpg/v1/crop/x_0,y_1,w_720,h_96/fill/w_106,h_14,al_c,q_80,usm_0.66_1.00_0.01,blur_2,enc_auto/156fd1_aa99aa47c4e3404ab74e0ef450a0763c~mv2.jpg)
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-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