Siemens
Siemens 321-1BL00-0AA0 Power Relay
Siemens 321-1BL00-0AA0 24V DC 4-Pole Power Relay
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12-Mo Warranty
Same-Day Dispatch
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🎖 Veteran-Owned
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12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
24V DC Coil
4 Normally Open Contacts
High Switching Capacity
Siemens Reliability
Multi-Circuit Control
Product description
The Siemens 321-1BL00-0AA0 is a 4-pole power relay with a 24V DC coil. Each of the four poles is normally open (NO), designed for switching higher current loads in industrial applications.
This relay is suitable for controlling motors, heaters, lighting, and other power-intensive devices. It's frequently used in control panels, machine tools, and automation systems where multiple circuits need to be switched simultaneously.
Stanlo Automation, a veteran-owned provider of surplus industrial automation parts, offers this Siemens power relay. We ensure you have access to the components needed for robust and reliable system operation.
Technical specifications
| Coil Voltage | 24V DC |
| Poles | 4 NO |
| Contact Rating | (Specify if found) |
Common applications
Motor Control
Industrial Lighting
Heater Control
Automation Systems
Control Panels
Compatible systems
Siemens S7-300
Siemens S7-400
General industrial control panels
Also known as
Siemens 321-1BL00-0AA0 relay
Siemens 24V DC power relay
Replaces / compatible with
This 4-pole power relay is designed for applications requiring simultaneous switching of multiple circuits. It can replace other 4 NO relays with similar voltage and current ratings.
Technical note
Expert tip
Ensure the total current draw across all four contacts does not exceed the relay's total switching capacity to prevent overheating and contact welding.What happens next?
1
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2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
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Frequently asked questions
How many normally open contacts does the Siemens 321-1BL00-0AA0 power relay have?
The Siemens 321-1BL00-0AA0 power relay is equipped with four normally open (NO) contacts. This configuration allows it to control up to four separate circuits simultaneously when energized.