The S400 Triumf is a mobile but complex air defence system.
Primary Components include:
Command and Control Center
Missile system
3 Permanent Radar Systems
Self Protection System
Administrative System
Secondary Include:
One more radar, AWACS, extra missile sys

S 400 simplified structure is:
1 regiment = 16 launchers [ can be increased]
1 launcher= 4 missile tubes

Launchers include:
5P85TE2
5P85SE2

In those launchers 5 different types of missiles can be fitted:
40N6. [Range: 400km]
48N6DM/48N6E3 [Range: 250km]
48H6E2. [Range: 200km]
9M96 and 9M96E2 [Range: 120km]
9M96E [Range: 40 km]

Administrative System:

30K6E is the name of the Administrative system which manages eight battalions of S 400

4 regiment= 8 battalion

Command and Control centre:

55K6E is the name of the COmmand and control for 1 battery having 4 launchers.

3 Types of primary radars are used
91N6E
92N6E
96L6E
One secondary/ optional radar is
40V6MR

91N6E

Panaromic radar detection system
Jamming Resistance
Range: 600 km
Tracking: 300 targets at same time

92N6E

Multifunctional radar
Range: 400Km
Tracking: 100 targets at same time

96L6E

Omni Directional Radar
Can track low observable aircrafts
Range: 300km
Tracking: 100 targets at same time

Resistant to false return in mountain

Optional Radar 40V6MR

For detection of aircrafts flying at very low altitude and longer ranges