Product details
Product Overview – SITOP SMART 6EP1333-2AA01
- Brand: Siemens
- Model: 6EP1333-2AA01
- Series: SITOP SMART
- Type: Stabilized power supply, 120/230 V AC input, 24 V DC / 5 A output
Reliable 24 V DC power for industrial control panels. 5 A rated current, 120/230 V AC auto‑range input (selector switch). Compact 50 mm wide, DIN rail mount. Efficient, safe, and built for harsh environments.
Technical Specifications – Hierarchical Overview
- Input
- Voltage: 120 V AC / 230 V AC (selectable)
- Range: 85…132 V AC (120 V) / 170…264 V AC (230 V)
- Frequency: 47…63 Hz
- Current: 2.1 A at 120 V / 1.15 A at 230 V
- Inrush current limiting: 32 A max, 3 ms typical
- Built‑in fuse: T 3.15 A/250 V (internal)
- Recommended breaker: 6 A, characteristic C
- Output
- Rated voltage: 24 V DC (adjustable 22.8…28 V)
- Total tolerance: ±3% static
- Ripple: ≤150 mV peak‑peak (typ. 50 mV)
- Spikes: ≤240 mV peak‑peak (typ. 150 mV)
- Rated current: 5 A (6 A up to +45 °C)
- Short‑term overload: 17 A (100 ms during start, 200 ms during operation)
- Parallel operation: up to 2 units for higher power
- Efficiency & Loss
- Efficiency: ~87% at rated load
- Power loss: ~17 W at rated load
- Protection
- Output overvoltage: <33 V
- Current limitation: 6.4…6.6 A
- Short‑circuit: constant current characteristic, ~10 A steady
- Overload / short‑circuit indicator: none (LED for 24 V OK only)
- Safety & Isolation
- Primary/secondary isolation: Yes
- SELV output acc. to EN 60950‑1, EN 50178
- Protection class: Class I
- Leakage current: ≤3.5 mA (typ. 0.4 mA)
- Environment & Mechanics
- Operating temp: 0…60 °C (natural convection)
- Storage / transport: -40…+85 °C
- Humidity: Class 3K3, non‑condensing
- Dimensions (W×H×D): 50×125×125 mm
- Weight: ~0.5 kg
- Mounting: DIN rail EN 60715 (35×7.5/15), side‑by‑side possible
- Certifications
- CE, UL/cUL (UL 508, CSA 22.2), cCSAus (60950‑1)
- ATEX (EX) II 3G Ex nA II T4
- UL 1604 Class I Div. 2 Groups ABCD
- GL marine approval, CB
- EMC
- Emissions: EN 55022 Class B
- Immunity: EN 61000‑6‑2
Expert Review – Manager‘s Insight
“The SITOP SMART 6EP1333‑2AA01 is a workhorse for 24 V DC distribution. Its 87% efficiency keeps heat low, and the 20 ms mains buffering prevents unexpected resets. The ATEX and UL Div. 2 approvals make it safe for hazardous areas. For panel builders, the screw terminals and DIN rail clip save installation time. A smart choice for reliable power.”
Applications & Compatible Equipment
- PLC control panels (Siemens S7‑1200/1500, others)
- Sensor and actuator supply
- HMI and operator panels
- Relay and solenoid valve circuits
- Small motors and drives
- Industrial automation, process control, and building automation
Frequently Asked Questions (FAQ) – Expert Tips
- Can I connect two units in parallel?
Yes, up to 2 units for higher output current. Use identical cables and set voltages equally. - What happens if output is shorted?
The unit limits current to ~10 A constant. After removing short, it recovers automatically. - Does it support wide‑range input without switch?
No. You must set the selector switch to either 120 V or 230 V range. - Is the 6 A output continuous?
Only up to +45 °C ambient. Above that, derate to 5 A. - Which circuit breaker do I need?
Use a 6 A type C breaker for proper inrush coordination.
Selection Guide – Which SITOP Power Supply?
- 5 A output needed: 6EP1333‑2AA01 fits most small to medium panels.
- Higher current (10 A): Use two in parallel or choose 6EP1334‑2AA01 (10 A).
- Harsh / hazardous areas: This model has ATEX and UL Div. 2 – ideal.
- Space‑saving: 50 mm width, side‑by‑side mounting saves rail space.
Warranty, Shipping & Support
- Warranty: 12 months from delivery date.
- Shipping: 12‑24 hours dispatch via FedEx, UPS, or DHL (tracking included).
- Contact: sales@powergearx.com | +86 18030005825 (WhatsApp)
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