BLK ASSM. range of product: Harmony XB4 - product or component type: complete body/contact assembly - device short name: ZB4 - fixing collar material: zamak - contacts type and composition: 2 NO - contacts operation: slow-break - contact block type: single - additional information: with body/fixing collar - connections - terminals: screw clamp terminals: <= 2 x 1.5 mm² with cable end conforming to EN 60947-1, screw clamp terminals: >= 1 x 0.22 mm² without cable end conforming to EN 60947-1. Benefits: Progress with confidence. Designed for industry, this range combines simplicity of setup, flexibility and a robust construction. An ingenious locking system consisting of a snap-fit head and body, tightened with a single screw, ensures easy yet secure mounting. Applications: - Industry: machine manufacturers (automotive, textiles, timber), control system panel builders, Service sector and infrastructure: energy distribution panel builders, public works, building, airports.