Technical Specifications: Genuine VOLVO Electromechanical Battery Relay Module 14529028Genuine VOLVO Electromechanical Battery Relay Module — Main Power Solenoid High‑Current Switching Solution
The Genuine VOLVO Premium Heavy‑Duty Electromechanical Battery Relay Module (Part Numbers: 14529028 / VOE 14529028 / 14696077), also known as Main Battery Solenoid Switch, is a high‑current control component for VOLVO excavators. Activated by ignition key signal, it connects 24V battery power to starter, alternator and V‑ECU (11381435). Replacing worn relays ensures reliable engine cranking, stable power supply and ECU protection from voltage spikes.
Core Technical Advantages
Silver‑Alloy High‑Current Contacts: High‑mass silver contacts resist arcing and pitting under heavy cranking current loads.
Zinc‑Plated Sealed Steel Housing: Corrosion‑proof shell shields internal components from battery fumes, oil mist and chassis vibration.
High‑Density Pure Copper Coil: Delivers strong magnetic pull for reliable contact closure even under low‑voltage battery conditions.
Solid Brass Terminal Studs: Thick metric threaded studs enable secure connection of large‑gauge power cables.
Technical Specifications
| Engineering Parameter | Technical Data / Specification Details |
|---|
| Component Assembly Part Numbers | 14529028 / VOE 14529028 / 14696077 |
| Component Classification | Heavy‑Duty Electromechanical Master Battery Relay / High‑Current Solenoid Switch |
| Rated Voltage | 24V DC Heavy‑Duty Construction Machinery |
| Contact Material | Arc‑Resistant Silver‑Alloy (Ag) |
| Housing Material | Zinc‑Plated Corrosion‑Proof Steel |
| Terminal Type | Dual Heavy‑Duty Brass Threaded Studs |
Master Application Fleet Guide
This battery relay fits VOLVO B‑series crawler and wheeled excavators:
Wheeled & Compact Excavators: EW145B, EC135B, EC140B, EC160B, EC180
Mid‑Size Excavators: EC200B, EC210B, EC240B, EC290B
Heavy Mining Excavators: EC330B, EC360B, EC460B, EC700B
Critical B2B Procurement & Maintenance Guidelines
B2B Procurement Strategy
Contact arcing and spring fatigue cause high resistance or circuit failure, disabling machine startup. Stock 14529028/14696077 for emergency repair orders. Cross‑sell with starters, alternators, wiring harness (14624788) and battery disconnect switch (14714851) for complete battery‑bay overhaul.
Common Failure Symptoms
No dashboard power or starter movement with ignition key turned (burned‑out relay coil)
Rapid clicking/chattering noise without cranking caused by voltage drop from pitted contacts
Random low‑voltage fault codes triggered by vibrating loose contacts over rough terrain
Best Practice Overhaul Advisory:
Disconnect battery negative terminals first before replacement to avoid short‑circuit arcs damaging ECU. Clean cable terminals, apply anti‑corrosion grease, torque securely and verify stable 24V system power after installation.
Global Brand Cross‑Reference Matrix
| Brand | Cross‑Reference Part Numbers |
|---|
| VOLVO Genuine PN | 14529028 / VOE 14529028 |
| Factory Interchange | 14696077 |
| Component Group | Electromechanical Battery Relay / Main Power Solenoid Switch / High‑Current Master Circuit Switch |
Commercial Inquiry & Global Logistics:Supplier: Xuzhou Sinoswift Import & Export Co., Ltd.
Contact: +86 13701956981
Email:
[email protected]Logistics: Global Sea Freight and Fast‑Track Industrial Express Ready
All manufacturer names and model designations are for compatibility reference only. These genuine battery relays provide reliable high‑current power switching for global VOLVO construction, quarry and mining machinery fleets.
