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.

HOLD-UP BUTTONS
HUB 2SDB SERIES
HUB-2SDB-L 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


HOLD-UP BUTTONS
HUB SERIES
HUB-2SA Momentary SPDT,
3 Screw Terminals
HUB-2 Latching DPDT,
6 Solder Terminals
HUB-2A Latching DPDT,
3 Screw, 3 Solder Terminals
HUB-2B Latching DPDT,
6 Screw Terminals
HUB-3B Momentary DPDT
6 Screw Terminals
HUB-3B Momentary DPDT
6 Screw Terminals
Also Available:
HUB-2S Momentary SPDT
3 Solder Terminals
HUB-3 Momentary DPDT
6 Solder Terminals
HUB-3A Momentary DPDT
3 Screw, 3 Solder Terminals
HUB-3B Momentary DPDT
6 Screw Terminals

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
Also Available:
HUB-DL-M Momentary SPDT
3 Screw Terminals

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:
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-2SA Momentary SPDT,
3 Screw Terminals
HUB-2 Latching DPDT,
6 Solder Terminals
HUB-2A Latching DPDT,
3 Screw, 3 Solder Terminals
HUB-2B Latching DPDT,
6 Screw Terminals
HUB-2S-ES Momentary SPDT
3 Solder Terminals
HUB-2SA-ES Momentary SDPT
3 Screw Terminals
HUB-2-ES Latching DPDT,
6 Solder Terminals
HUB-2A-ES Latching SPDT,
3 Screw, 3 Solder Terminals

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.
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