
Eaton Corporation
Automatic Transfer Switch EGSX Series Spec Sheet
Automatic transfer switchEGSX seriesEaton’s EGSX series residential automatic transfer switch product line provides a safe and efficient means of transferring power from utility to generator source. Its simplified relay-interface system replaces complicated electronics, while increasing system reliability and creating an intuitive design for faster installation and troubleshooting. General specifi cations and features• Simple design for quick installation and troubleshooting• Two contact sets for load shedding• Short-circuit ratings: • 50 A: 5 kA (service entrance)• 100 A and 200 A: 25 kA (service entrance)• 400 A: 35 kA (service entrance)• All non-service entrance models: 10 kA• Rated for 100% load for both inductive and resistive loads, and 80% for all service entrance rated switches• Molded-case breaker provided with 25 kAIC (100 A to 200 A), 35 kAIC (400 A only)• Available service entrance designs and ratings up to 400 A• Silver alloy main contacts; resistant to welding and sticking• Terminal block termination; connections labeled to match generator connections• Compatible with Eaton standby generators brand only• NECT / ULT 1008 compliant; meets industry standardEnvironmental specifi cations• Operating ambient temperature range: between –20 °C and +70 °C (–4 °F and +158 °F)• Storage temperature: –20 °C to +70 °C (–4 °F to +158 °F) • Humidity levels:• Normal outdoor operation: =95% (noncondensing) • Storage: =80% of relative humidityTechnical Data TD016001ENEffective July 2014Supersedes March 20142Technical Data TD016001ENEffective July 2014Automatic transfer switch EGSX series EATON www.eaton.comTable 1. Catalog Number SelectionTable 2. Technical DataCatalog NumberAmpere Rating VoltageNumber of PolesService EntranceNumber of Circuits Included ?Frequency(Hz)Enclosure TypeContactor Wire Size Range(s) Number of Cables per PhaseWithstand Current (rms) at 200 VacEGSX50L12 50 120/240 2 Yes 12 50/60 NEMA 1 #14–6 1 5,000EGSX50L12R 50 120/240 2 — 12 50/60 NEMA 3R #14–6 1 5,000EGSX100A 100 120/240 2 — — 50/60 NEMA 3R #14–2/0 1 10,000EGSX100NSEA 100 120/240 2 Yes — 50/60 NEMA 3R #14–2/0 1 25,000EGSX100L24RA 100 120/240 2 — 24 50/60 NEMA 3R #14–2/0 1 10,000EGSX150NSEA 150 120/240 2 Yes — 50/60 NEMA 3R #14–300 kcmil 1 25,000EGSX200A 200 120/240 2 — — 50/60 NEMA 3R #14–300 kcmil 1 10,000EGSX200NSEA 200 120/240 2 Yes — 50/60 NEMA 3R #14–300 kcmil 1 25,000EGSX400NSEA 400 120/240 2 Yes — 50/60 NEMA 3R 750 kcmil–2 and 300 kcmil–1/01/2 35,000? Uses CH type circuit breakers.Table 3. DimensionsCatalog NumberAmpere Rating DescriptionWidth in Inches (mm)Height in Inches (mm)Depth in Inches (mm)Weight in Lbs (kg)EGSX50L12 50 NEMA 1 with 12-circuit CH loadcenter 14.25 (362.0) 21.00 (533.4) 4.00 (101.6) 23 (10.40)EGSX50L12R 50 NEMA 3R with 12-circuit CH loadcenter 14.25 (362.0) 21.00 (533.4) 6.00 (152.4) 29 (13.15)EGSX100A 100 NEMA 3R 14.46 (367.3) 16.87 (428.5) 5.32 (135.1) 25 (11.33)EGSX100NSEA 100 NEMA 3R service entrance 14.46 (367.3) 16.87 (428.5) 5.32 (135.1) 28 (12.70)EGSX100L24RA 100 NEMA 3R with 24-circuit CH loadcenter 14.46 (367.3) 29.33 (745.0) 5.32 (135.1) 38 (17.23)EGSX150NSEA 150 NEMA 3R service entrance 14.46 (367.3) 29.33 (745.0) 5.32 (135.1) 45 (20.41)EGSX200A 200 NEMA 3R 14.46 (367.3) 25.08 (637.0) 5.32 (135.1) 35 (15.88)EGSX200NSEA 200 NEMA 3R service entrance 14.46 (367.3) 29.33 (745.0) 5.32 (135.1) 45 (20.41)EGSX400NSEA 400 NEMA 3R service entrance 23.14 (587.8) 37.56 (954.0) 10.00 (254.0) 130 (58.97)E GSX 200 NSEAManufacturerEatonTypeGenerator transfer switch EGSX series Service Entrance RatedA = Non-service entranceNSEA = Service entrance (normal source only)Ampere Rating50 = 50 A 100 = 100 A150 = 150 A200 = 200 A400 = 400 ALoadcenter (CH Type, Integral)L12 = 12 circuits NEMAT 1L12R = 12 circuits NEMA 3RL24R = 24 circuits NEMA 3RBlank = None3Technical Data TD016001ENEffective July 2014Automatic transfer switch EGSX series EATON www.eaton.com19.01(482.9)8.00 (203.2)29.20(744.9)14.46 (367.3)14.31 (363.5)5.05(128.3)5.32(135.1)5.32(135.1)Figure 1. Dimensions in Inches (mm) and Plan View of an EGSX150NSEA/EGSX200NSEATable 4. Replacement Parts for EGSX ATSComponent 50 A 100 A 150 A 200 A 400 AContactor 99-5643-8 99-5638 99-5702-15 99-5702-15 99-5702-16Wire harness 99-5643-7 99-5638-13 99-5702-17 99-5702-17 99-5702-18Neutral bar 99-5643-6 99-5638-7 99-5702-6 99-5702-6 99-5702-13Ground lugs 99-5643-4 99-5638-5 99-5702-4 99-5702-4 99-5702-4Service entrance breaker — 99-5638-4 BWH2150 BWH2200 KD2400Lugs 99-5643-5 99-5638-6 99-5702-5 99-5702-5 99-5702-12Eaton1000 Eaton BoulevardCleveland, OH 44122United StatesEaton.com© 2014 EatonAll Rights ReservedPrinted in USAPublication No. TD016001EN / Z15452July 2014Eaton is a registered trademark.All other trademarks are property of their respective owners.Automatic transfer switch EGSX series Technical Data TD016001ENEffective July 2014
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