Customer Service was great quick shipment time packaging very well. No damage will leave another review after I get it going. I haven’t hooked it up yet.
WEG 5 HP 3 Phase Magnetic Starter NEMA 4X 208-240V 11 - 17 Amp PESW-B18V24EX-R66
WEG PESW-18V24EX-R32 5 HP Three Phase Magnetic Starter
NEMA 4X Enclosure
Brand new WEG PESW-18V24EX-R32 5 horsepower, three phase, 208-240 volt magnetic starter with a NEMA 4X enclosure. This is a great quality starter with a built-in overload which is adjustable from 11-17 amps and is equipped with a manual reset button.
The PESW magnetic starters are ideal to protect motors and ensure reliable operation year after year. Assembled together in a NEMA 4x enclosure with a RESET button on the cover for quick and easy operation.
The NEMA 4X enclosure is constructed for either indoor or outdoor use to provide a degree of protection against falling dirt, rain, sleet, snow, windblown dust, splashing water, and hose-directed water. Will be undamaged by the external formation of ice on the enclosure.
PROFESSIONAL INSTALLATION RECOMMENDED
Specifications
• HP at 208-240 Volts: 5 HP
• Overload Range Min (Amps): 11
• Overload Range Max (Amps): 17
• Coil Voltage: 208-240 Volts
• Phase: Three
• Frequency: 60Hz
• Enclosure Rating: NEMA 4X
• Enclosure Material: Plastic
• Push Button Function: Reset
• Weight: 1.7
• Approximate Dimensions (W x H x D): 3-7/8" x 7-1/16" x 4-1/4"
Standard Features
• Fast acceleration and high initial torque
• Bimetallic overload relays - class 10
• Adjustable trip current
• Ambient temperature compensated for -4°F to 140°F
• Phase-loss sensitivity protection
• Selectable manual or automatic reset
• Electrically isolated NO-NC auxiliary contacts
• UL, IEC, and CSA Certified
If you are using this starter on an air compressor, you will also need a pressure switch to control the starter. In this application the pressure switch controls the On and Off of the starter according to the pressure setting of the pressure switch.
Overview
| Brand | WEG |
|---|---|
| Horsepower Maximum motor horsepower this starter is rated to control at the listed voltage and phase. | 5.0 HP |
| Phase | Three Phase |
| Voltage | 208-240 V |
| Frequency | 60 Hz |
| Overload adjustment range The overload relay’s adjustable trip-current band. Set the dial to roughly 115% of the motor’s full-load amps. | 11.0–17.0 A |
| Enclosure NEMA 1 = general-purpose indoor. NEMA 4X = washdown / outdoor, dust- and corrosion-resistant. | NEMA 4X |
| Country of origin Where this starter is manufactured, per the manufacturer / supplier documentation. | Mexico / Brazil |
| Catalog / part number | PESW-B18V24EX-R66 |
Contactor & Control
| Contactor type The magnetic contactor that switches power to the motor. | WEG CWB18 |
|---|---|
| Contactor rating | 18 A |
| Coil / control voltage The voltage that energizes the contactor coil — supplied by the pressure switch or control circuit. | 208-240 VAC |
| Control scheme The pilot devices wired in: e.g. Reset only, Start/Stop + Reset, or Hand-Off-Auto (HOA). | Reset only |
| Auxiliary contacts Spare isolated contacts for interlocks, run indication, or a low-oil switch. | 1 NO + 1 NC, electrically isolated |
Overload Protection
| Overload relay type Bimetallic relays trip on a heater element sized to the motor current; ambient-compensated means the trip point is stable across temperature. | Bimetallic, ambient-compensated |
|---|---|
| Trip class How long the relay tolerates locked-rotor current before tripping. Class 10 = within 10 s, standard for compressors. | Class 10 |
| Reset mode Manual reset requires pressing the button after a trip; automatic re-closes on cooldown. | Selectable manual / automatic |
| Phase-loss protection Trips the motor off if one supply phase is lost, preventing single-phasing damage. | Yes |
Enclosure & Physical
| Enclosure material | Non-metallic (thermoplastic) |
|---|---|
| Dimensions (H × W × D) Approximate enclosure size from the manufacturer catalog. | 7.0625″ H × 3.875″ W × 4.25″ D |
| Weight | 1.7 lb |
Ratings & Compliance
| Agency approvals | UL508A listed, cULus certified |
|---|---|
| Ambient temperature range | -4°F to +140°F (-20°C to +60°C) |
| Application notes | Factory pre-wired. For air-compressor use, control the starter with a pressure switch. |

