Siemens 6EP3333-7LB00-0AX0 Power Supplies
The Siemens 6EP3333-7LB00-0AX0 Power Supplies offers 3.7 A output and 89 W power for dependable 24 V DC industrial loads. It supports 120–240 V AC/DC input from an 85–264 V usable range and operates across 47–63 Hz line frequencies. Designed with push-in terminals, IP20 protection, and a 35 × 135 × 125 mm enclosure, it fits compact automation panels requiring stable low-voltage supply. This model aligns with the Siemens brand, the Siemens Power Supplies category, and the SITOP Series.

| Brand | Siemens |
| Product Type | Power Supplies |
| Model Number | 6EP3333-7LB00-0AX0 |
Siemens 6EP3333-7LB00-0AX0 Power Supplies – Technical Specifications
| Specification | Value |
|---|---|
| Type of the power supply network | 1-phase AC or DC |
| minimum rated value | 120 V |
| maximum rated value | 240 V |
| initial value | 85 V |
| full-scale value | 264 V |
| supply voltage at DC | 120 ... 240 V |
| input voltage at DC | 99 ... 275 V |
| line frequency | 50/60 Hz |
| line frequency (2) | 47 ... 63 Hz |
| number of outputs | 1 |
| type of signal at output | Electronic contact (NO contact, contact rating 30 V DC/0.1 A) for DC O.K. |
| rated value | 3.7 A |
| rated range | 0 ... 3.7 A; +60 ... +70 °C: Derating 3%/K |
| supplied active power typical | 89 W |
| protection class IP | IP20 |
| during transport | 40 ... +85 °C |
| during storage | 40 ... +85 °C |
| type of electrical connection | push-in terminals |
| width × height × depth of the enclosure | 35 × 135 × 125 mm |
| installation width × mounting height | 35 mm × 225 mm |
| Top | 45 mm |
| Bottom | 45 mm |
| Left | 0 mm |
| Right | 0 mm |
| fastening method | Snaps onto DIN rail EN 60715 35x7.5/15 |
| net weight | 0.7 kg |
The Siemens 6EP3333-7LB00-0AX0 Power Supplies provides 3.7 A rated output, 89 W active power, 120–240 V input capability, and IP20 protection for continuous 24 V DC operation. As part of the SITOP Series, it maintains stable performance across 47–63 Hz frequencies and supports derating for higher temperature conditions. Its push-in terminals and compact enclosure simplify installation within small industrial control panels.
This Siemens 6EP3333-7LB00-0AX0 Power Supplies unit is suited for conveyors, automated packaging, material handling, assembly lines, and light-duty industrial electronics. Its wide input range supports voltage fluctuations, while the DC O.K. signaling assists in monitoring system health. These characteristics ensure reliable low-power supply for control circuits, sensors, and PLC auxiliary loads in demanding automation environments.
The Siemens 6EP3333-7LB00-0AX0 Power Supplies delivers consistent 3.7 A output, 89 W power, and DIN-rail mounting compatibility for stable low-voltage distribution. Siemens engineering quality and SITOP Series design provide dependable operation for long-term industrial use. With compact dimensions, protection features, and wide electrical tolerance, it supports critical automation applications requiring reliable 24 V DC supply performance.


