Eaton CB2033B120480GR5 Pringle Bolted Pressure Contact Switch - UL Listed
Part Number: CB2033B120480GR5
Quick Summary
Eaton CB2033B120480GR5 bolted pressure contact switch is a high-capacity relay for motor control in industrial power systems. Operators frequently contend with nuisance trips and gaps in single-phase protection within large switchgear, which drives costly downtime. This model is UL Listed and built to endure demanding environments with broad enclosure compatibility (NEMA 1, 3R, 4, 12), plus a capacitor-trip SPVR option for reliable coordination. The unit supports site-wide protection strategies through optional ground-fault relay, blown-fuse detection, auxiliary contacts, and Kirk provisions, helping ensure compliance and maintainability. For procurement teams, the combination of rugged construction and flexible protection features translates into lower lifecycle costs and faster commissioning.
Product Information
Extended Description
CB2033B120480GR5 Eaton: Eaton pringle bolted pressure contact switch,Single-phase relay with capacitor trip device (SPVR),2000A,1NO-1NC,120V,Bottom feed,Ground fault,480V,Three-pole,Three-wire,Fusible
Product Name
Eaton pringle bolted pressure contact switch
Catalog Number
CB2033B120480GR5
UPC
782116957828
Product Length/Depth
16 in
Product Height
32 in
Product Width
24 in
Product Weight
190 lb
Warranty
Eaton Selling Policy 25-000, one (1) year from the date of installation of the Product or eighteen (18) months from the date of shipment of the Product, whichever occurs first.
Certifications
UL Listed
Catalog Notes
OPTIONAL Ground Fault Relay, Blown Fuse Detection, Single Phase Protection, Kirk Provisions, Auxiliary Contact Provisions, AVAILABLE.
Contact configuration
1 NO-1 NC
Feed type
Bottom
Fuse configuration
Bottom feed
Ground
Ground fault with control power transformer
Number Of Poles
Three-pole
Number of wires
3
Switch type
Electrical trip with charge-before-close mechanism
Type
Pringle bolted pressure contact switch
Amperage Rating
2000A
Control voltage
120 V
NEMA rating
NEMA 1, NEMA 3R, NEMA 4, NEMA 12
Protection
Fusible
System voltage
480 V
Voltage - max
480 V
Voltage rating
480 V
Special features
Single-phase voltage relay with capacitor trip device (SPVR)
Commercial Distribution, Switching Devices, Volume 2, Tab 1
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Switching Devices
Eaton Specification Sheet - CB2033B120480GR5
High-capacity amperage rating of 2000A with 120V control and 480V system voltage, configured as a three-pole 1NO-1NC device. This enables management of large loads from a single switch, reducing panel clutter and simplifying protection coordination. The result is reduced installation time and lower total cost of ownership in industrial switchgear. The electrical trip with a charge-before-close mechanism provides reliable sequencing, minimizing inrush and arc-flash risk during switching and improving motor start profiles in demanding applications. Optional ground-fault relay, blown-fuse detection, single-phase protection, auxiliary contact provisions, and Kirk provisions support tailored protection schemes, straightforward control integration, and future-proof expansion. Bottom feed and bottom fuse configuration simplify panel installation, while NEMA-rated enclosure compatibility expands the range of permissible environments. With UL Listed safety certification and substantial 190 lb plus footprint, the unit offers robust, serviceable protection for mission-critical power distribution and main disconnect applications.
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FAQs
CB2033B120480GR5 is designed for bottom-feed installations in three-pole switchgear. It supports 1NO-1NC contacts, fusible configurations, and SPVR options, making it compatible with standard Eaton panel designs while offering optional auxiliary contacts and Kirk provisions for streamlined control wiring and future expansion. Plan for 16 in L x 32 in H x 24 in W footprint and a 190 lb weight during layout and transport.
Key specs include a 2000A amperage rating, 120 V control voltage, 480 V system voltage, 3-pole configuration with 1NO-1NC contacts, bottom feed, and fusible protection. The device uses an electrical trip with charge-before-close mechanism and supports a capacitor trip device (SPVR) for precise protection sequencing in single-phase applications.
Yes. Its high current rating, SPVR capability, and single-phase protection features make it suitable for motor control centers and main disconnects. The unit’s NEMA-rated enclosure compatibility supports protective environments, while optional ground-fault and auxiliary provisions enhance coordination with motor protection schemes and control circuits.
The switch is UL Listed, confirming safety compliance for industrial installations. It also carries broad NEMA ratings (1, 3R, 4, 12) for enclosure protection, supporting reliable performance in diverse environments. Optional features enable additional regulatory alignment and integration with ground-fault protection and control systems.
The CB2033B120480GR5 delivers reliability through a robust protective system, reducing nuisance trips and downtime. Its configurable options (ground fault, auxiliary contacts) simplify long-term maintenance and integration, while the strong protection capabilities translate to lower lifecycle costs and faster commissioning in high-capacity power distribution networks.