The Multiquip EM97030 Directional Control Switch is a genuine OEM component designed for ST-45HRM and ST-70 series concrete pumps. As a factory-sourced part, it is built to the exact electrical and mechanical specifications required by these machines, ensuring correct integration with the pump's control system. This switch is a direct OEM replacement for worn or failed units on ST-45HRM and ST-70 equipment, giving operators confidence in a part that matches the original exactly.
Key Features
- OEM-Matched Electrical Specs — Built to the correct switching capacity, contact configuration, and circuit ratings required by the ST-45HRM and ST-70 control systems.
- Drop-In Replacement — Matches the original mounting position, connector type, and wiring interface for a straightforward swap with no adaptation needed.
- Confirmed Fitment — Verified for use on Multiquip ST-45HRM and ST-70 concrete pumps.
- Restores Full Directional Control — A worn or failed switch can leave the pump unable to cycle correctly; replacing it with EM97030 restores proper forward and reverse flow direction command.
- Electrical Safety Compliance — As a genuine OEM electrical component, it meets the original design tolerances for safe operation within the pump's control circuit, reducing the risk of misfires or unintended pump direction changes.
The directional control switch governs the flow direction command within the concrete pump's hydraulic or electrical control circuit, telling the pump when to shift between forward and reverse stroke cycles. On machines like the ST-45HRM and ST-70, correct directional switching is essential for consistent concrete delivery and proper pump cycling. When this switch wears out or fails, the pump may lose the ability to change direction reliably, causing output interruptions or potential damage to downstream components.
Part Details
| Part Number | EM97030 |
|---|---|
| Brand | Multiquip |
| Part Type | Genuine OEM |
| Description | Directional Control Switch |
Compatibility & Fitment
| Name | Model |
|---|---|
| Submersible Pumps | ST-45HRM |
| Submersible Pumps | ST-70 |
Verify Before You Order
Fitment is machine-number and revision-specific; always confirm your model and serial number against the fitment list.
Why Buy From DHS Equipment
Every part is verified against the manufacturer's part number before it ships, so what you order is what arrives. We carry parts from leading OEM brands and our own DHS Quality Parts line of professional aftermarket components. Need help finding the right part? Our team is available to confirm compatibility whenever you need it. Orders are processed fast to keep your jobs on track. We don't just sell parts. We keep you jobsite ready.
Questions? Contact our team at [email protected] or 866-611-9369 — DHS Equipment is here to help you maintain peak performance.
