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AZ2100-1C-24DE
American Zettler
RELAY GEN PURPOSE SPDT 40A 24V
1576 Pcs New Original In Stock
General Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole
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5.0 / 5.0
- (464 Ratings)
AZ2100-1C-24DE
Product Overview
11272367
DiGi Electronics Part Number
AZ2100-1C-24DE-DGManufacturer
American Zettler
AZ2100-1C-24DE
Description
RELAY GEN PURPOSE SPDT 40A 24VInventory
1576 Pcs New Original In Stock
General Purpose Relay SPDT (1 Form C) 24VDC Coil Through Hole
Quantity
Minimum 1
Minimum 1
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AZ2100-1C-24DE Technical Specifications
Category
Power Relays, Over 2 Amps
Packaging
Box
Series
AZ2100
Product Status
Active
Mounting Type
Through Hole
Coil Voltage
24VDC
Contact Form
SPDT (1 Form C)
Contact Rating (Current)
40 A
Switching Voltage
300VAC, 30VDC - Max
Load - Max Switching
12000VA, 1200W
Coil Current
36.4 mA
Coil Type
Non Latching
Features
-
Termination Style
PC Pin, Quick Connect - 0.250" (6.3mm)
Seal Rating
Sealed - Fully
Coil Insulation
Class B
Must Operate Voltage
18 VDC
Must Release Voltage
2.4 VDC
Operate Time
15 ms
Release Time
10 ms
Operating Temperature
-55°C ~ 85°C
Contact Material
Silver Cadmium Oxide (AgCdO)
Approval Agency
cURus, VDE
Relay Type
General Purpose
Grade
-
Qualification
-
Coil Resistance
660 Ohms
Base Product Number
AZ2100-1C
Datasheet & Documents
HTML Datasheet
AZ2100-1C-24DE-DG
Environmental & Export Classification
RoHS Status
ROHS3 Compliant
ECCN
EAR99
HTSUS
8536.41.0050
Additional Information
Other Names
3385-AZ2100-1C-24DE
Standard Package
240
Reviews
5.0/5.0-(Show up to 5 Ratings)
de desembre 02, 2025
Order confirmation and shipping updates were timely and professional.
de desembre 02, 2025
DiGi Electronics always meets my expectations with their budget-friendly prices and green packaging.
de desembre 02, 2025
Their logistics team managed to deliver even during peak seasons without delays.
de desembre 02, 2025
Excellent value with environmentally friendly packaging—highly recommend.
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Frequently Asked Questions (FAQ)
What are the key reliability risks when using the AZ2100-1C-24DE relay in high-cycle industrial automation applications, and how can I mitigate contact degradation over time?
The AZ2100-1C-24DE uses silver cadmium oxide (AgCdO) contacts rated for 40A, which offer good arc resistance but can suffer from contact welding or increased resistance under frequent switching of inductive loads. In high-cycle applications (>100 operations/day), consider derating the load to 70–80% of the 40A rating, adding snubber circuits (e.g., RC networks across contacts), and ensuring ambient temperatures stay below 70°C to reduce thermal stress. Monitor contact voltage drop periodically; if it exceeds 50mV under load, replacement may be needed to avoid failure.
Can the AZ2100-1C-24DE safely replace an Omron G7L-1A-BUB-J-CF 24VDC relay in a 3-phase motor control circuit without redesigning the PCB or drive circuitry?
While both relays are SPDT 24VDC general-purpose types, direct replacement of the Omron G7L-1A-BUB-J-CF with the AZ2100-1C-24DE requires caution. The AZ2100-1C-24DE has a higher coil current (36.4mA vs. ~30mA for the Omron), which may overload low-power driver circuits. Additionally, its through-hole pinout differs—verify mechanical and electrical compatibility using both datasheets. The AZ2100’s sealed construction offers better dust/moisture resistance, but ensure your PCB layout matches the 0.250" quick-connect and PC pin spacing to avoid soldering or alignment issues.
How does the AZ2100-1C-24DE perform under low-temperature startup conditions, and what design precautions are needed for outdoor or unheated enclosures?
The AZ2100-1C-24DE is rated for operation down to -55°C, but its must-operate voltage (18VDC) becomes critical in cold environments where coil resistance drops and inrush current increases. At -40°C, supply voltage must remain above 19–20VDC to guarantee reliable pull-in, especially with long wire runs that increase resistance. Use a regulated 24VDC supply with <5% tolerance and consider local bulk capacitance near the relay to counteract voltage sag during simultaneous actuation of multiple units in cold starts.
What are the trade-offs of using the AZ2100-1C-24DE versus a solid-state relay (SSR) like the Crydom D2425 for switching 40A resistive loads in HVAC systems?
The AZ2100-1C-24DE offers superior surge handling and lower conduction losses (<0.5W at 40A) compared to the Crydom D2425 SSR (~1.6W at 25A, requiring heatsinking). However, the mechanical relay has limited electrical life (~100k cycles at full load) versus the SSR’s >10^7 cycles. For HVAC compressors with infrequent cycling, the AZ2100-1C-24DE is cost-effective and robust. But if silent operation, fast switching, or minimal maintenance is critical, an SSR—despite higher thermal management needs—may be preferable. Always include transient suppression with the AZ2100 when switching inductive HVAC loads.
Is the AZ2100-1C-24DE suitable for 24VDC battery-powered systems where power efficiency and voltage sag are concerns, and how should the drive circuit be designed?
Yes, but with careful design: the AZ2100-1C-24DE draws 36.4mA steady-state and higher inrush current during actuation, which can cause voltage dips in battery systems with high internal resistance. Use a dedicated local capacitor (e.g., 470–1000µF low-ESR electrolytic) near the relay coil to buffer the surge. Ensure the battery or regulator can sustain ≥20VDC under load to meet the must-operate threshold. For energy-sensitive designs, consider a latching relay instead, but if non-latching is required, the AZ2100-1C-24DE’s 15ms operate time is acceptable for most DC control applications—just avoid parallel relay activation to minimize cumulative current spikes.
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AZ2100-1C-24DE CAD Models
American Zettler AZ2100-1C-24DE PCB symbols & footprints
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