Brand: Bently Nevada Description: 125840-02 Condition: Brand New Certificate: COO TEST REPORT WARRANTY LETTER Warranty: 1 year Inventory Qty: 15 Payment Term: T/T Shipping Port: Shenzhen Bently Nevada 125840-02 module is installed in Bently Nevada 3500 and 3700 Series rack systems to provide regulated low-voltage AC power for intrinsically-safe barrier cards, auxiliary electronics, and field I/O modules.
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Manufacture |
Bently Nevada |
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Model Number |
125840-02 |
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Ordering Number |
125840-02 |
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Catalog |
3500/15 |
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Description |
Low Voltage ac Power Input Module |
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Country Of Origin |
USA |
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HS CODE |
85389091 |
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Dimension |
24*2.4*16 (CM) |
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Weight |
1.1 kg |
Ordering Information
3500/15-AXX-BXX-CXX
A: Power Supply Type (Top Slot)
01 Low Voltage ac (85 to 132 Vac rms)
02 High Voltage ac (175 to 264 Vac rms)
03 High Voltage dc (88 to 140 Vdc)
04 Low Voltage dc (20 to 30 Vdc)
B: Power Supply Type (Bottom Slot)
00 No supply (use when only one supply is required)
01 Low Voltage ac (85 to 132 Vac rms)
02 High Voltage ac (175 to 264 Vac rms)
03 High Voltage dc (88 to 140 Vdc)
04 Low Voltage dc (20 to 30 Vdc)
C: Agency Approval Option
00 None
01 CSA/NRTL/C
02 ATEX/CSA (Class 1, Zone 2)
Note: Agency Approval Option C 02 is only available if Power Supply Type (Top Slot) Option is A 01 or A 02 and if Power Supply Type (Bottom Slot) Option is B 00, B 01, or B 02.
Technical Parameters
Input Voltage:
100–240 VAC, 50/60 Hz (auto-sensing) for the Bently Nevada 125840-02
Output Voltages & Ratings:
24 VAC @ 2 A (for barrier and control circuits) in the Bently Nevada 125840-02
12 VAC @ 1 A (for auxiliary electronics)
Regulation: ± 5 % under full-load conditions
Isolation:
Primary-to-secondary: 2 kV AC
Secondary-to-chassis: 1 kV AC
Efficiency: ≥ 85 % at 50 % load
Inrush Current: Soft-start circuit limiting peak to 5 A
Protection Features:
Overload shutdown with auto-reset
Short-circuit protection
Over-temperature thermal cutoff
Operating Temp: –20 °C to +65 °C
Storage Temp: –40 °C to +85 °C
Humidity: up to 95 % RH, non-condensing
Product function
Converts and regulates facility AC mains into isolated low-voltage AC supplies via Bently Nevada 125840-02, powering rack-mounted I/O barriers and auxiliary electronics. Its robust protection ensures uninterrupted power to field-device barriers, maintaining intrinsic-safety compliance and preventing nuisance trips.
Application Areas
Intrinsic-Safety Barrier Power: Energizing on-board zener barriers using Bently Nevada 125840-02 in Zone 2/Div 2 installations.
Auxiliary Electronics: Supplying low-voltage AC to pump-down relays and indicator lamps.
Retrofit Panels: Providing clean AC rails in legacy systems requiring dedicated low-voltage sources.
Test & Calibration Racks: Offering stable AC outputs with Bently Nevada 125840-02 for bench-testing Proximitor cards.
