Allen-Bradley 1771-IG: TTL Logic and 5 V Wiring Checks
Check 1771-IG TTL HIGH/LOW logic thresholds, field supply ripple and 1771-WC wiring before replacing an input module.
Manufacturer: Weidmuller
Product No.: PRO ECO 960W 24V 40A
Country of origin:Germany
Product Type: DIN Rail Power Supplies
Payment: T/T, Western Union
Weight: 2000g
Dimensions: 160 mm x 125 mm x 120 mm
Shipping port: Xiamen
Warranty: 12 months
Engineered for high-capacity DC power distribution in demanding industrial environments, the Weidmuller 1469520000 (Model: PRO ECO 960W 24V 40A) switch-mode power supply unit delivers a regulated 24 V DC output at up to 40 A. This robust DIN-rail mountable module combines a compact form factor with 93% operational efficiency, minimizing thermal load inside control cabinets and ensuring stable power delivery to PLCs, HMIs, and field actuators.
| Order Number | Type Designation | GTIN / EAN | Standard Package Qty |
|---|---|---|---|
| 1469520000 | PRO ECO 960W 24V 40A | 4050118275704 | 1 pc(s). |
| Manufacturer | Weidmuller |
| Series | PROeco |
| Rated Output Voltage | 24 V DC ± 1 % (adjustable 22 to 28 V DC via potentiometer) |
| Continuous Output Current | 40 A @ 50 degC / 24 A @ 70 degC |
| Output Power | 960 W |
| AC Input Voltage Range | 85 to 264 V AC (derating required below 100 V AC) |
| DC Input Voltage Range | 80 to 370 V DC (derating required below 120 V DC) |
| AC Current Consumption | 4.6 A @ 230 V AC / 9.9 A @ 110 V AC |
| Frequency Range AC | 47 to 63 Hz |
| Inrush Current | Max. 5 A |
| Efficiency | 93% |
| Power Loss (Idle / Nominal) | 8 W (Idling) / 85 W (Nominal Load) |
| Connection System | Screw connection |
| Housing Version | Metal, corrosion resistant |
| Operating Temperature | -25 degC to 70 degC |
| Storage Temperature | -40 degC to 85 degC |
| Dimensions (W x H x D) | 160 mm x 125 mm x 120 mm |
| Net Weight | 3190 g |
| Shipping Weight (Calculated) | 3.5 kg |
| LED Color | Status / Threshold | Operational Meaning |
|---|---|---|
| Green | Uoutput > 21.6 V DC | Normal operation; output voltage within acceptable limits. |
| Yellow | Ioutput > 90% IRated typ. | High load warning; output current is approaching maximum capacity. |
| Red | Uoutput < 20.4 V DC | Fault condition; overload, overtemperature, short-circuit, or low voltage. |
The PROeco series is designed as a highly space-efficient and cost-effective alternative to Weidmuller's premium PROmax and PROtop series. When replacing older 40 A power supplies, verify the 160 mm width footprint on the TS 35 rail, as high-power units require adequate lateral spacing for heat dissipation.
A critical consideration for the PRO ECO 960W is its thermal derating profile. While it delivers a full 40 A at ambient temperatures up to 50 degC, the output capacity derates linearly to 24 A at 70 degC. Operating the unit near its limit in unventilated enclosures will trigger the internal thermal protection, causing output cycling.
Due to the high 40 A output current, ensure that output wiring is sized appropriately (minimum 10 AWG / 6 mm² copper wire recommended) to prevent significant voltage drop across the run. When configuring parallel operation for up to 3 units, use a precise digital multimeter to adjust the output voltage of each unit via the front potentiometer to within ±50 mV of each other before tying the outputs together.
De-energize all AC and DC power sources before attempting installation, wiring, or maintenance. Ensure the input circuit breaker is locked out. Do not open the metal housing; high residual voltage may remain stored in internal capacitors even after power is disconnected.
Snap the unit securely onto a standard TS 35 DIN rail. Ensure the mounting orientation is vertical, with the input terminals at the bottom and output terminals at the top to facilitate natural convection cooling.
Maintain a minimum clearance of 50 mm above and below the unit, and 20 mm of lateral clearance from adjacent active heat-producing components.
Connect the protective earth (PE) ground terminal first. Wire the AC input (L, N) or DC input terminals using the integrated screw connections, tightening to the manufacturer-specified torque.
Connect the 24 V DC load lines to the output terminals, ensuring correct polarity. Energize the input source and verify that the green LED illuminates.
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Returns & Warranty

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Returns & Warranty
Orders are processed and delivered Monday-Friday (excluding public holidays).
For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .
| Country of origin |
Germany
|