Schneider Electric ZB4BVBG5 Harmony XB4 light block assembly with zamak fixing collar and yellow protective LED. Screw clamp terminals connections with 2×1.5mm² with cable end and 1×0.22mm² without cable end. Cross pozidrive No.1, cross Philips No.1, slotted flat 4mm and 5.5mm slotted flat shape of screw head. It features TH protective treatment and -25 to 55°C ambient operating temperature. It conforms to Class I IEC 60536.