Installation
- Isolate both external DC feeds before working at the rear rack power-input position.
- Verify 88 to 140 Vdc polarity and field wiring against the official diagram.
- Confirm that the paired legacy high-voltage DC supply is 129486-01.
Item NO.:
129478-01Order(MOQ):
1Goods Stock:
14Payment:
T/TLead Time：
In stockWeight:
0.3KGDimension:
2.6x11.5x12cmDescription:
LEGACY HIGH VOLTAGE DC POWER INPUT MODULEPrice:
Ask129478-01 is the legacy high-voltage DC power input module for the Bently Nevada 3500/15 power-supply system, intended for an 88 to 140 Vdc input architecture.
129478-01 is the Legacy High Voltage DC Power Input Module for the Bently Nevada 3500/15 AC and DC Power Supplies. Its high-voltage DC input range is 88 to 140 Vdc.
In the legacy 3500/15 architecture, 129478-01 is the rear-rack power input module associated with the 129486-01 legacy high-voltage DC power supply. Confirm the installed supply, rack position and field wiring before service.
For a retrofit decision involving 129478-01, treat the legacy supply and rear power input module as a matched architecture. A current-generation DC supply should be used only as part of a documented, complete migration of the supply and PIM arrangement.
The input must be 88 to 140 Vdc. Confirm polarity, isolation and rear-rack wiring against the official diagram so the legacy 3500/15 DC path is commissioned within its specified input class.
It belongs with legacy high-voltage DC supply 129486-01. Current-generation DC supplies use a different power-input architecture, so the supply and rear module should be treated as a matched generation.
Start at the 88 to 140 Vdc feed and confirm polarity and wiring, then inspect fuse 01720025 and the paired 129486-01 supply path. This sequence separates input or fuse issues from a possible supply-module fault.
Before isolating one path, confirm that the second independent supply path is healthy and follow the plant lockout and official maintenance procedure. Redundancy helps only when the alternate path is available.
The label should identify a Legacy High Voltage DC Power Input Module and show the exact part number. Compare the housing, terminals and supplied documents with the purchase order, and record any transit damage.
A rear-module-only change is not appropriate. Baker Hughes defines current and legacy DC supplies and power input modules as incompatible architectures, so the conversion must be planned as a matched supply and PIM change.
The supplied product is covered for 12 months under ApterPLC's sales terms. Keep the complete nameplate, original packaging and transaction record available if warranty support is required.
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