test switch for sale, brand-new and used.

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150mW+ 405nm Blu-Ray Blue Violet Laser Diode Module with Adjustable Lens This module need custommers driver like TTL modulation constant current driver . Please never use voltage regulator or lab power supply for test laser diode because laser diode can die at micro second. This item is for replacement of laser show blue laser diode module.

150mW+ 405nm Blu-Ray Blue Violet Laser Diode Module with Adjustable Lens. 9 part precision Adjustable Constant Current about 30mA to 167mA Test Driver DIY kit with protection circuit included. This item is for replacement of laser show blue laser diode module.

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Cutler Hammer Fire Pump Control with Transfer Switch. Fire Pump Controller #FT30-30A-LMR-L1-X1, Rated 30 HP, 3 Phase, 208 Volts, 600 PSI. Nema 3 R, Raintight Enclosure.

WATTSTOPPERMOTION SENSOR PASSIVE INFRARED WALL SWITCH SENSORPW-200-BPIR WALL SWITCH SENSOR120/277VAC, 50/60Hz800W @ 120V, 1200W @ 277VDUAL RELAY The Watt Stopper PW-200-B 120/277 VAC Passive Infrared

WATT STOPPER DW-100-W Dual Technology Wall Switch Occupancy Sensor 120/277V, WHT The DW-100 dual technology wall switch sensor combines the benefits of passive infrared (PIR ) and ultrasonic technologies, and can turn lights OFF and ON based on occupancy. It is characterized by high sensitivity to small and large movements, appealing aesthetics, and a variety of features.

WATT STOPPER DW-100-24-I Dual Technology Wall Switch Occupancy Sensor New 30 Day Money Back Guarantee Free Shipping! The DW-100-24 dual technology low voltage wall switch sensor combines the benefits of passive infrared (PIR ) and ultrasonic technologies to turn lights OFF and ON based on occupancy. It is characterized by high sensitivity to small and large movements, appealing aesthetics, and a variety of features.

WATT STOPPER DW-100-W Dual Technology Wall Switch Occupancy Sensor 120/277V, WHT The DW-100 dual technology wall switch sensor combines the benefits of passive infrared (PIR ) and ultrasonic technologies, and can turn lights OFF and ON based on occupancy. It is characterized by high sensitivity to small and large movements, appealing aesthetics, and a variety of features.

This Whelen 9 outlet power switch was acquired in an auction lot wrapped in what appeared to be factory stapled plastic. The items look new with no signs of wear, but were not in a factory sealed box. Manuals and inserts are present as well as connecting cables as you can see in the pics.

This Whelen 9 outlet power switch was acquired in an auction lot oppen and obviously used.. The items look good with no signs of wear, but was not in a factory sealed box. Manuals and inserts are present as well as connecting cables as you can see in the pics.

SPECIFICATIONS: OCCUPANCY CONTROLLED DIMMING (D) • Provides dimming output to control 0-10 VDC dimmable ballasts • Provides a second occupancy time-out period that enables the lights to go to a dim setting before turning off • Adjustable max/min dim setting PHOTOCELL (P)

Ludlum Model 2221

i000000 Hand-held Mini Portable Precision Formaldehyde Monitor / Multi AIR Detector