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SKU:3BSE071500R1
Redundant CEX-Bus Module ABB | 3BSE071500R1
Manufacturer: ABB
Product No.: 3BSE071500R1
Product Type: Interconnection Unit
Product Origin: SE
Payment:T/T, Western Union
Weight: 1400g
Shipping port: Xiamen
Warranty: 12 months
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Description
ABB 3BSE071500R1 BC820K02 CEX-Bus Unit
3BSE071500R1 BC820K02 sections the CEX-Bus into two independent segments up to 200 meters apart. Supports redundant communication interfaces and hot swap. Draws power from processor or external 24V DC supply.
Technical Specifications
Brand: ABB
Model: BC820K02
Product Code: 3BSE071500R1
Series: Advant
Redundancy: Yes
Hot Swap: Supported
Nominal Voltage: 24V DC
Voltage Range: 19.2 to 30V DC
Current Consumption: 120 mA typical, 200 mA max
Power Dissipation: 2.9 W typical
Environmental & Physical
Operating Temp: +5 to +55 °C (+41 to +131 °F)
Storage Temp: -40 to +70 °C (-40 to +158 °F)
Humidity: 5% to 95% non-condensing
Protection Class: IP20
Dimensions: 59 x 185 x 127.5 mm
Weight: 1.4 kg (3.1 lbs)
Certifications
CE Mark: Yes
Electrical Safety: UL 61010-1, UL 61010-2-201
Hazardous Location: cULus Class 1 Zone 2, AEx nA IIC T4
Marine: ABS, BV, DNV-GL, LR
RoHS: EN 50581:2012
WEEE: DIRECTIVE 2012/19/EU
Cable Requirements
RCU Control Link: Shielded RJ45 crossover, T568A to T568B, max 200m
RCU Data Link: LC Duplex, 50/125μm OM3 fiber, max 200m
Bus Limit: 6 CEX-Bus interfaces per BC820
Compatible CPUs
PM858, PM862, PM866 (PR.F or later), PM866A, PM866K01 (PR:H or later)
FAQs
Q1. Need external power for short runs?
A1. No. Under 50 meters, the CPU powers BC820 via CEX-Bus. Use external 24V for longer runs or power redundancy.
Q2. Can I use straight CAT6 cable?
A2. No. Requires shielded crossover cable T568A to T568B.
Q3. Zone 1 approved?
A3. No. cULus Class 1 Zone 2 only.
Additional Specifications
Scalar (V/f)
Vector
AC-powered
Buying Guide
- Confirm the exact model, part number, and specifications before ordering.
- Ensure compatibility with your current machinery or control systems.
- Reach out via sale@etowonauto.com or +8617859788089 for technical assistance.
- Review delivery options, lead times, and shipping requirements.
- Follow manufacturer instructions and best practices during installation.
Shipping And Return
In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.
Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.
For more details, please review our Shipping & Return Policy.

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