Safety Information Important Information Read these instructions carefully and look at the equipment to become familiar with the device before trying to install, operate, service or maintain it. The following special messages may appear throughout this bulletin or on the equipment to warn of potential hazards or to call attention to information that clarifies or simplifies a procedure.
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STCHSP121BT1RU Introduction The STCHSP121BT1RU is an advanced 3-stage hybrid, solid state power line protective device. Features such as noise filtering, common mode and normal mode suppression, nanosecond reaction time, power line tracking, and compression screw terminations, make this device an excellent choice in commercial and industrial applications.
STCHSP121BT1RU Installation 1. Turn off all power supplying this equipment before working on or inside equipment. 2. Mount the STCHSP121BT1RU in a UL-approved housing. Keep all leads as short as possible. 3. Position unit within the equipment cabinet so that the fuse holder is accessible. 4.
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STCHSP121BT1RU Figure 1: STCHSP121BT1RU fuse holder location Dimensions (in. / mm.) EXPOSED TERMINAL DESIGN Holes 3/16 [4.76] DIA 1.17 [29.72] 2.95 STC-SLAC Series NEUTRAL [74.93] NEUTRAL Surge Protective Device 1.17 STC-HSP121BT1RU GROUND GROUND [29.72] LIGHT ON: NORMAL LIGHT OFF: SERVICE 4.86 [123.44] 5.25 [133.35] Page: 3...
STCHSP121BT1RU General Technical Specifications Operating Voltage 120 VAC Clamping Voltage 200-240 VAC Operating Current 15 A Peak Surge Current 39 kA (8 x 20 µs) Operating Frequency 47-63 Hz EMI Attenuation > 40 dB (100 kHz to 100 MHz) SPD Technology Metal Oxide Varistors (MOVs) w/ L-C Filter Modes of Protection Line-to-Neutral, Line-to-Ground,...
STCHSP121BT1RU Technical Support Website: www.solahd.com Technical Support E-Mail: solahd.technicalservices@emerson.com Toll-Free: (800) 377-4384 USA: (847) 268-6651 Warranty Please see the “Terms & Conditions of Sale” document. While every precaution has been taken to ensure accuracy and completeness in this manual, Appleton Grp LLC d/b/a Appleton Group assumes no responsibility, and disclaims all liability for damages resulting from use of this information or for any errors or omissions.