unibar M, 400A, standard length 3.25m without outlet. Straight rail element in optional length with rail connection via terminal block with integrated expansion compensation for a type-tested low-voltage switchgear assembly in accordance with IEC/EN 61439-1 and -6. Rail element consisting of a 5-pole busbar system made of aluminum (nickel-plated and tin-plated) and housing made of sheet steel (galvanized and painted). Supplied ready for connection with all connecting parts. Note: Optionally, a fire barrier for wall or ceiling feed-through in accordance with DIN 4102 is installed for fire resistance class S90 or S120 in accordance with DIN 4102-9 (EI90 or EI120 in accordance with EN 13501). If required, can be implemented with functional integrity classes E60 or E90 in accordance with DIN 4102-12.