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X20DO4529

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B&R X20DO4529 is a four-channel relay output module with individually isolated changeover contacts for 30 VDC or 115 VAC loads for the X20 System.
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Technical specifications for X20DO4529

  • Manufacturer:
    B&R
  • Part Number:
    X20DO4529
  • Product Family:
    B&R X20 System
  • Product Type:
    Relay Output Module
  • Stock:
    1
  • Relay outputs:
    4 changeover contacts
  • Nominal voltage:
    30 VDC / 115 VAC
  • Maximum switching voltage:
    110 VDC / 125 VAC
  • Nominal output current:
    1 A at 30 VDC; 0.5 A at 115 VAC
  • Total nominal current:
    4 A at 30 VDC; 2 A at 115 VAC
  • Maximum inrush current:
    2 A per channel
  • Minimum switching capacity:
    0.01 mA / 10 mVDC
  • Maximum switching capacity:
    30 W / 62.5 VA
  • Switching delay:
    ≤4 ms on; ≤4 ms off
  • Electrical service life:
    Minimum 100,000 operations
  • Mechanical service life:
    Minimum 50,000,000 operations at 3 Hz
  • External protection:
    AC: RC combination or VDR; DC: inverse diode, RC combination, or VDR
  • Required terminal block:
    X20TB12, ordered separately
  • Compatible bus modules:
    X20BM11 or X20BM15, ordered separately
  • Degree of protection:
    IP20
  • Operating temperature:
    -25 to 60 °C horizontal; -25 to 50 °C vertical
  • Dimensions:
    1.25 × 5.3 × 9.8 cm
  • Tariff Code:
    8538900000
  • Country of origin:
    Germany
  • Place of shipment:
    ​Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Contact Life Isolation Protection Application
  • Provides four relay outputs with changeover contacts for AC or DC loads
  • Keeps every relay channel isolated from the other channels and the X20 bus
  • Supports 115 VAC field switching with an external actuator power supply

X20DO4529 is a B&R relay output module designed for X20 System I/O stations.

Each relay channel can switch its own documented field circuit while remaining isolated from the other channels, the X20 bus, and the I/O power supply.

Before installation or replacement, verify the complete material number, load voltage and category, contact current and inrush, minimum switching level, external suppression, relay life, terminal and bus modules, and environmental limits.

Availability, condition, price, and shipping time for X20DO4529 are confirmed during quotation.

B&R X20DO4529 Relay Output Module Manuals, Datasheets, Links

Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

  • Electrical service life is specified as at least 100,000 operations
  • Mechanical service life is specified as at least 50 million operations at 3 hertz
  • Actual service life depends on load type, current, inrush, and switching frequency
  • Each relay channel is isolated from the other channels
  • Channels are isolated from the X20 bus and I/O power supply
  • The installed field circuit must remain within the documented isolation and voltage limits
  • No protective circuit is integrated across the relay contacts
  • AC loads require an external RC combination or voltage-dependent resistor as applicable
  • DC inductive loads require an inverse diode, RC combination, or voltage-dependent resistor as applicable
  • Switching individually isolated 115 VAC field loads in X20 control stations
  • Controlling documented 30 VDC loads through changeover relay contacts
  • Distributed machine-control circuits requiring galvanic separation between output channels
Description
X20DO4529 is a B&R relay output module for the X20 System distributed I/O platform.

It provides four single-channel isolated changeover relay outputs with documented DC and AC ratings and an external actuator power supply.

Before installation or replacement, confirm the complete material number, load voltage and category, contact current and inrush, minimum switching level, external suppression, relay life, terminal and bus modules, and environmental limits.
Alternative Names
X20DO4529 X20 DO 4529 X20-DO4529 B&R X20DO4529 BR X20DO4529 B&R X20 DO 4529 X20 System X20DO4529
Technical notes
X20DO4529 has no internal contact suppression; verify each AC or DC load, external RC/VDR or diode protection, inrush, switching frequency, contact life, X20TB12, and X20BM11 or X20BM15 before replacement.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Can B&R X20DO4529 mix AC and DC circuits on different channels?
The channels are individually isolated, but every circuit must remain within the documented voltage, current, insulation, wiring, and enclosure requirements.
Does B&R X20DO4529 include suppression for relay loads?
No. Select the documented external protection for the load type, such as an RC network or VDR for AC loads and an inverse diode, RC network, or VDR for DC loads.
How should relay life be evaluated for B&R X20DO4529?
Use the actual load category, operating current, inrush, switching rate, and external suppression. Mechanical-life figures do not replace an electrical-life calculation.
Can B&R X20DO4529 switch very small signals?
Only when the signal remains at or above the documented minimum switching capacity and the circuit satisfies the contact and insulation requirements.
Which accessories are required for B&R X20DO4529?
Order an X20TB12 terminal block and a compatible X20BM11 or X20BM15 bus module separately.
What should be checked if a B&R X20DO4529 relay output does not operate?
Check the external actuator supply, contact wiring, load current and inrush, output command, module status, and evidence of contact wear or welded contacts.
What must be documented before replacing B&R X20DO4529?
Record each channel's contact arrangement, AC or DC load, protection component, supply source, terminal assignment, I/O mapping, and switching duty.