Surge Protective Devices Installation & Operation Manual Model 235
IO-75047 10/2021 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.
IO-75047 10/2021 Introduction Model 235 (Edco SHA and SHAS Series) Surge Protective Device (SPD) ASCO Model 235, designed for highway lighting and street pole applications, provides surge protection for sensitive lighting ballasts and power supplies from damaging transients. The SPD is encapsulated in a compact watertight enclosure that can be installed inside the pole.
IO-75047 10/2021 Model 235 (Edco SHA and SHAS Series) Surge Protective Device (SPD) General Technical Specification: Model 235 (Edco SHAS) Model 120 240 277 480 Operating Voltage 120 VAC 240 VAC 277 VAC 480 VAC Maximum Continuous Operating Voltage (MCOV) 150 VAC 320 VAC 320 VAC 550 VAC Voltage Configuration Single Phase, 2W + G Continuous Operating Current 15 A Operating Frequency Modes of Protection 47-63 Hz L-N, L-G, N-G L-L, L-G Total Peak Surge Current L-L, L-G 36 kA Clamping
IO-75047 10/2021 General Technical Specification: Model 235 (Edco SHA) Model 235 (Edco SHA and SHAS Series) Surge Protective Device (SPD) Model 120 240 277 480 Operating Voltage 120 VAC 240 VAC 277 VAC 480 VAC Maximum Continuous Operating Voltage (MCOV) 150 VAC 275 VAC 320 VAC 550 VAC Voltage Configuration Single Phase 2W+G Continuous Operating Current 30 A Operating Frequency 47-63 Hz Modes of Protection L-G, N-G Total Peak Surge Current Rating 52 kA Clamp Voltage @ 1ma (V peak)
IO-75047 10/2021 Model 235 (Edco SHA and SHAS Series) Surge Protective Device (SPD) Wiring and Dimensions (in. / mm.) Model 235 (Edco SHAS) Lead Length Gauge Color Connection 22 in. [558.8 mm.] 12 AWG Green Ground 12 in. [304.8 mm.] 12 AWG Black L-1 (Line) 12 in. [304.8 mm.] 12 AWG Black L-2 (Neutral or Line) Model 235 (Edco SHA) Lead Length Gauge Color Connection 22 in. [558.8 mm.] 6 AWG Green Ground 12 in. [304.8 mm.] 10 AWG Black L-1 (Line) 12 in. [304.8 mm.
IO-75047 10/2021 Model 235 (Edco SHA and SHAS Series) Surge Protective Device (SPD) Diagnostic Operation Only applicable for: 235120NF015AWLN0 235240LF015AWLN0 235277NF015AWLN0 235480LF015AWLN0 DANGER HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH • Apply appropriate personal protective equipment (PPE) and follow safe electrical work practices. See NFPA 70E, CSA Z462, or NOM-029STPS. Failure to follow these instructions will result in death or serious injury.
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