Primary Power Supply Bus Unit for Yokogawa industrial control architectures, with the AEP7D-2 configuration designed for 220–240 V AC input.
POWER PATH • DISTRIBUTION • CABINET INTEGRATION
INPUT
220–240 V AC
AEP7D-2 configuration
CURRENT
20 A
Max. input / bus unit
DISTRIBUTION
7 + 7
A/B output paths
Dual-source architecture
AEP7D is designed around independent A and B power sources. Each source provides seven corresponding distribution ports; the A/B inputs can also be connected in parallel for expanded distribution.
A / B POWERM4 TERMINALSCABINET USE
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Designed for cabinet-level power distribution within Yokogawa control architectures, the AEP7D family provides separated A and B power paths with dedicated distribution ports. The AEP7D-20 corresponds to the 220–240 V AC input variant.
220–240 V
AC INPUT
20 A
MAX. PRIMARY CURRENT
7 + 7
A / B OUTPUT PORTS
1.8 kg
APPROX. WEIGHT
CABINET POWER DISTRIBUTION • DUAL INPUT ARCHITECTURE • INDUSTRIAL CONTROL
01 / CORE ROLE
POWER ROUTING
Cabinet-Level Distribution with Independent A/B Paths
The Yokogawa AEP7D Primary Power Supply Bus Unit is used to distribute power to equipment mounted within the same cabinet. Its architecture separates the A-side and B-side power distribution paths, allowing the unit to be incorporated into systems using two independent power sources. Each input path has seven corresponding distribution ports.
When input terminals A and B are connected in parallel according to the intended system configuration, one input source can provide power through fourteen distribution outputs. The arrangement is therefore suited to cabinet designs where organized power distribution and alternative power-source configurations are required.
A / B POWER ARCHITECTURE
Two Inputs. Fourteen Distribution Paths in Parallel Configuration.
INPUT A
One external power source feeds the A-side distribution path.
OUTPUTS Seven corresponding A-side distribution ports.
INPUT B
A second external power source can feed the B-side distribution path.
OUTPUTS Seven corresponding B-side distribution ports.
A and B may be connected in parallel in the specified configuration, allowing one input source to provide fourteen distribution outputs.
SYSTEM LOGIC
A→ 7 distribution ports
B→ 7 distribution ports
A + B→ 14 outputs when paralleled
The power distribution unit is intended for system-level cabinet use rather than as a standalone laboratory power supply.
02 / VERIFIED PARAMETERS
TECHNICAL FRAME
The AEP7D-20 is associated with the AEP7D-2 input-voltage variant.
PARAMETER
AEP7D-20
Input Power Supply Voltage
220 to 240 V AC
Withstanding Voltage
1500 V AC
Maximum Input Current / Unit
20 A
Maximum Input Current / Port
6 A
Approximate Weight
1.8 kg
03 / FAMILY POSITION
AEP7D FAMILY CONFIGURATION
AEP7D-1□
100 to 120 V AC input family.
Maximum unit input current: 20 A.
AEP7D-20
220 to 240 V AC input configuration.
Maximum unit input current: 20 A.
CURRENT MODEL
AEP7D-4□
24 V DC input family.
Maximum unit input current: 30 A.
The final suffix configuration determines electrical input and additional protection options. Verify the complete suffix code against the required cabinet architecture before replacement.
CONNECTION STRUCTURE
External Power + Distribution
TM1 / TM2
External power input terminals.
GROUND
Dedicated grounding terminal.
DISTRIBUTION PATHS
The AEP7D configuration provides dedicated A-side and B-side power distribution connectors. The A-side outputs correspond to input A, while the B-side outputs correspond to input B.
A → 7B → 7A+B → 14
DIRECT PROCUREMENT
ASK FOR AEP7D-20
Please provide the exact model and required quantity when requesting a quotation.
Can AEP7D-20 replace another AEP7D unit with a different input voltage?
Not by model name alone. AEP7D-20 corresponds to the 220–240 V AC input variant, while the AEP7D-1□ family is 100–120 V AC and AEP7D-4□ is 24 V DC. The existing cabinet input supply must therefore be checked before selecting a replacement.
Does AEP7D-20 support two independent power sources?
Yes. The AEP7D architecture provides A and B input paths, with seven corresponding distribution ports for each path. This arrangement is intended for systems using separate power sources for the two distribution paths.
When would AEP7D-20 provide fourteen outputs from one input?
When input terminals A and B are connected in parallel as specified for the system configuration, a single input can provide fourteen distribution outputs.
What current limits should be checked for AEP7D-20 replacement?
The maximum input current for the primary power supply bus unit is 20 A, while the maximum input current per port is 6 A. Both values should be considered when checking the existing load and distribution arrangement.
What should be verified before ordering AEP7D-20 as a replacement?
Confirm the complete model and suffix configuration, cabinet input voltage, required A/B power arrangement, port loading and applicable protection requirements. The AEP7D family includes different electrical input variants and additional suffix options, so the complete code matters for replacement compatibility.
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