Eaton 208277 NHI-B-11-PKZ0 Auxiliary Contact 1NO+1NC Front Mount PKZ0

The Eaton NHI-B-11-PKZ0 is a standard auxiliary contact accessory for front-mounting on PKZ series motor protective circuit-breakers. It provides a 1 N/O and 1 N/C contact configuration with screw terminals, rated up to 440 V AC and 250 V DC. With a compact 45 x 35 x 12 mm footprint and a lifespan of 100,000 operations, it is suited for reliable use in industrial motor control panels.

Technical specifications:

• Model code: NHI-B-11-PKZ0
• Catalog number: 208277
• Manufacturer: Eaton
• EAN: 4015082082772
• Contact configuration: 1 N/O, 1 N/C
• Mounting method: Front fastening
• Electric connection: Screw connection
• Dimensions (W x H x D): 45 x 35 x 12 mm
• Weight: 0.015 kg
• Rated operational voltage AC max: 440 V
• Rated operational voltage DC max: 250 V
• Rated operational current at AC-15 (220/230/240 V): 1 A
• Rated operational current at DC-13 (24 V): 2 A
• Rated impulse withstand voltage (Uimp): 4000 V AC
• Overvoltage category: III
• Pollution degree: 3
• Safe isolation: 440 V between auxiliary and main contacts, per EN 61140
• Terminal capacity (solid/flexible with ferrule): 0.75 - 1.5 mm²
• Short-circuit protection without welding: 10 A gG/gL fuse
• Switching capacity (general use): 0.5 A, 250 V DC (UL/CSA)
• Switching capacity (pilot duty): E150, AC operated (UL/CSA)
• Lifespan mechanical: 100,000 operations
• Lifespan electrical: 100,000 operations
• Ambient operating temperature: -25 °C to +55 °C
• Certifications: CE, UL 508, CSA, IEC/EN 60947-4-1, CSA-C22.2 No. 14

Features and benefits:

• Front-mounting snap-on design allows quick field installation without removing the motor circuit-breaker
• Safe isolation at 440 V between auxiliary and main contacts in accordance with EN 61140
• Wide ambient temperature range of -25 °C to +55 °C supports demanding industrial environments
• 100,000 mechanical and electrical operations ensure long service life in high-cycle applications
• Screw terminals accept 0.75 to 1.5 mm² conductors for straightforward panel wiring

Applications:

• Motor run and stop status signaling in industrial motor control panels
• Interlocking and sequencing circuits in PKZ motor starter assemblies
• Remote fault indication and monitoring of motor protective circuit-breakers
• Auxiliary switching in machinery and process automation control systems
• Panel builder assemblies requiring auxiliary contact feedback from motor protection devices

Compliant with IEC/EN 60947-4-1. Designed for use with Eaton PKZ series motor protective circuit-breakers as part of the Moeller series motor starter system.

Also known as: Eaton NHI-B-11-PKZ0, Eaton 208277, Eaton catalog 208277, Eaton model NHI-B-11-PKZ0, Eaton PKZ auxiliary contact, Eaton NHI auxiliary contact block.