Product Details
The ABB UB370E HEIE420794R1, also cataloged as the UB370E Guard Unit, operates as a dedicated hardware component for physical signal conditioning and protective interlocking execution within ABB system enclosures.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | UB370E HEIE420794R1 |
| Brand | ABB |
| Origin | Germany |
| Weight | 0.3 kg |
| Dimensions | 7-inch Compact Structural Assembly |
| Operating Temp | -40 to +70 deg C |
| Power Consumption | Internal System Backplane Bus Powered |
| Material | Aluminum Alloy Housing |
| Subsystem Compatibility | ABB Control Enclosures and Rack Systems |
Deterministic Network Integration and I/O Density Scaling
The UB370E module coordinates discrete protection status monitoring and integrates with system control racks to maintain consistent backplane bus communication velocity across high-density I/O arrays. Engineered for operation within Profinet and EtherNet/IP deterministic networks, the module provides rapid signal propagation for protection logic without causing bus latencies. Onboard non-volatile memory chips ensure complete firmware flash compatibility for subrack maintenance and field updates.
Frequently Asked Questions
Q: What housing material is utilized for the structural chassis of the UB370E module?
A: The chassis is constructed from anodized aluminum alloy to deliver high structural rigidity and heat dissipation efficiency across extended temperature ranges.
Q: Does the UB370E support installation during active system power operation?
A: Hot-swapping is not permitted; main power to the target slot must be isolated prior to insertion or extraction to prevent arc damage to connector interfaces.
Q: What is the operating temperature threshold for the UB370E guard unit?
A: The module is specified for operation within continuous ambient temperatures ranging from -40 deg C to +70 deg C.
Field Installation Guidelines
- Isolate system power before seating or unseating the UB370E assembly in the mounting rack.
- Utilize ESD grounded wrist straps and conductive mats during handling to protect internal electronics.
- Ensure all mechanical retaining screws are torqued to establish proper chassis earth ground bonding.
- Maintain clean air channels around the aluminum enclosure to support natural thermal convection.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.





























