WEG

WEG 5 HP 3 Phase Magnetic Starter NEMA 4X 208-240V 11 - 17 Amp PESW-B18V24EX-R66

Low stock: 3 available
SKU: PESW-B18V24EX-R66
Regular price $109.42
60-day returns No-hassle policy
US-based support Mon–Fri 8:30–4:30 CT
Same-day shipping Order by 1:30 PM CT
45+ years expertise Compressor specialists

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.