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Square D LR3D TeSys Deca Class 10A Thermal Overload Relay
Model: SQU-LR3D
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Square D
Starting at
$153.37
Square D TeSys Deca Control Relay, 3 NO + 2 NC, 120 VAC Coil
The Square D TeSys Deca control relay is a 5-contact (3 NO + 2 NC) electromagnetic control relay rated 10A/690V, built for switching electromagnetic loads under AC-15, DC-13, and AC-14 utilization categories. It operates on a 120 VAC 50/60 Hz control circuit, connects via screw clamp terminals, and supports high operating rates up to 180 cycles/min. Rated insulation voltage (Ui) is 600V (UL/CSA) / 690V per IEC 60947-5-1, with UL and CSA listings for professional industrial and commercial installations.
Key Features
- Contact Configuration: 3 NO + 2 NC (5 total contacts) for flexible switching of electromagnetic loads under AC-15/DC-13/AC-14 utilization categories.
- Current Rating: 10A conventional free air thermal current (Ith) at 60°C, rated 10A/690V.
- Control Circuit: 120 VAC 50/60 Hz coil voltage (Uc) for standard AC control circuits.
- Connection Type: Screw clamp terminals (1.7 N.m tightening torque, flat Ø6 mm or Phillips No. 2) for secure, reliable wiring.
- Mounting: Rail or plate mounting support for flexible panel installation.
- High Operating Rate: Rated for up to 180 cycles/min in ambient air temperatures of -40 to 60°C (with derating to 70°C).
- Insulation Voltage: Rated insulation voltage (Ui) of 600V (UL/CSA) and 690V per IEC 60947-5-1.
- Protection: IP2X front face protection per VDE 0106.
Certifications & Compliance
- UL Listed
- CSA Certified
- CE Marked
- CCC Certified
- UKCA Marked
- EAC Certified
- CB Scheme Certified
- Compliant with EU RoHS (with exemptions)
Technical Specifications
- Warranty: 18 months
- Warranty Period: 18 months
- Sustainable Packaging: Yes
- Packaging Without Single Use Plastic: No
- Tier Id: 1
- ROHS Eur In Scope: Yes
- Recycled Metal Content At Cr Level: 0 %
- Serviceability: No
- With Recycled Cardboard: Yes
- WEEE Product Category: 5
- China ROHS In Scope: No
- Return Indicator: Y
- Take Back: No
- Tier: 1
- Returnability: Yes
- Product Contributes To Saved And Avoided Emissions: No
- Insulation Resistance: > 10 MOhm
- Installation Carbon Footprint: 4.33095650947899e-02
- Compatibility Code: CAD
- Ambient Air Temperature For Storage: -60-80 °C
- WD Status: 1 - GSC certified
Typical Applications
- Industrial Machine Control Panels
- Commercial Electromagnetic Load Switching
- Motor Control and Interlock Circuits
- OEM and Panel Builder Control Panel Assemblies
- AC-15/DC-13/AC-14 Electromagnetic Relay Control Applications
Why Square D?
Square D's TeSys Deca control relay combines UL and CSA listed construction with screw clamp terminal connections rated for reliable, code-compliant performance in demanding industrial and commercial control panels. With an average life duration of 20 years and mechanical durability built for high operating rates, it delivers dependable electromagnetic load control for professional electrical installations.
Manufacturer Resources
Product Specs
- Product Type:
- Control Relay
- Series:
- TeSys Deca
- Configuration:
- 3 NO + 2 NC
- Connection Type:
- Screw Clamp
- Voltage Rating:
- 120V
- Amperage Rating:
- 10A
- Listing:
- UL Listed
- Standards:
- EN/IEC 60947-5-1
- Department:
- Electrical
- Product Group:
- Motor Control & Automation
- Product Subgroup:
- Contactors & Relays
Square D CAD32G7 – Frequently Asked Questions
1) How many contacts does the Square D CAD32G7 control relay have, and how are they arranged?
The CAD32G7 is a five-contact TeSys Deca control relay: three normally open plus two normally closed. That split suits an interlock or seal-in circuit where you need multiple permissive contacts plus a couple of break contacts in one body, instead of stacking two separate relays on the rail.
2) Can I switch electromagnetic loads like contactor coils with this TeSys Deca relay?
That is what it is built for. The contacts are rated for AC-15, DC-13 and AC-14 utilization categories, which are the categories that cover control of electromagnet loads such as contactor and solenoid coils. Thermal current is 10A in free air at 60 C, rated 10A/690V.
3) Is this relay UL listed for a commercial control panel build?
The TeSys Deca CAD32G7 is UL Listed and CSA Certified, and also carries CE, CCC, UKCA, EAC and CB Scheme marks. It is built to EN/IEC 60947-5-1 for control circuit devices. Rated insulation voltage is 600V under UL/CSA and 690V per IEC 60947-5-1.
4) What is the closest equivalent to the Square D CAD32G7 control relay from another manufacturer?
The Square D TeSys Deca CAD32G7 is a five-contact control relay configured 3 NO + 2 NC, rated 10A, with a 120V coil and screw clamp terminals. The nearest cross-brand options are panel-mount control relays rather than plug-in types: the Eaton BF series four-pole control relay rated 300V with a 110/120V coil, the Eaton AR/ARD convertible contact machine tool control relay in four-pole form with a 110/120V coil, and the Eaton D15 series Freedom multi-pole relay rated 600V. All three take the same 110/120V class control circuit the CAD32G7 uses, but each is a four-pole or multi-pole design, so confirm you can land the exact 3 NO plus 2 NC arrangement before substituting.
5) I only need one set of changeover contacts, not five. What should I use instead of the TeSys Deca CAD32G7?
The CAD32G7 is a 3 NO + 2 NC five-contact relay, which is more switching than a single changeover circuit needs. For a one-circuit job, the Eaton D1RF1 series SPDT ice cube relay carries a 15A rating and gives you a single changeover contact in a plug-in format. Note that the CAD32G7 wires directly through screw clamp terminals, while an ice cube relay needs a matching socket, so plan the panel rail accordingly.
6) Can I use an ABB RA4 interface relay in place of the Square D CAD32G7?
No. The ABB RA4 is an interface relay intended to work with ABB AF09 through AF96 contactors, so it is an accessory tied to that contactor line rather than a standalone five-pole control relay. The Square D TeSys Deca CAD32G7 is a self-contained 3 NO + 2 NC control relay with a 120V coil and screw clamp terminals that mounts on rail or plate on its own. The two are not interchangeable in a control circuit.
7) Does the CAD32G7 mount on DIN rail or does it need a panel plate?
Either. The relay supports rail or plate mounting, so you can clip it onto DIN rail alongside the contactors or screw it to a back plate where rail space is tight.
8) What wiring terminations does this Square D control relay use, and what torque do I tighten them to?
Screw clamp terminals, torqued to 1.7 N.m with a flat 6 mm blade or a No. 2 Phillips. No spring-cage or ring-tongue termination here, so plan on standard stripped conductors.
9) Can this control relay handle a fast-cycling machine circuit?
It is rated for operating rates up to 180 cycles per minute, in ambient air from -40 to 60 C with derating up to 70 C. Storage range is -60 to 80 C. That covers most machine-tool and interlock duty where the relay is picking up and dropping out continuously.
10) Should I use a panel-mount control relay like this or a plug-in ice cube relay?
The CAD32G7 is a screw-terminal, rail or plate mounted electromagnetic control relay with five contacts, wired directly into the panel. If you want a socket-mounted relay you can pull and replace without disturbing wiring, the Eaton D1RF1 Series SPDT ice cube relay, 15A, is the other approach, though it gives you one changeover contact rather than five. For a 600V multi-pole in the same panel-mount style, the Eaton D15 Series Freedom relay is the comparable.
11) My control circuit needs a relay rated above 600V. Is the TeSys Deca CAD32G7 the right choice?
The Square D CAD32G7 is rated 10A/690V with a rated insulation voltage of 600V for UL/CSA and 690V per IEC 60947-5-1, so it covers most industrial control voltages. If your specification calls out a 600V North American device, the Eaton D15 series Freedom multi-pole relay is rated 600V. The Eaton BF series four-pole control relay is rated 300V and would not meet a 600V requirement.
12) For a machine tool control panel, how does the Square D CAD32G7 compare with the Eaton AR series?
The Eaton AR/ARD is a convertible contact machine tool control relay offered in a four-pole version with a 110/120V coil, where contacts can be field-converted between normally open and normally closed. The Square D TeSys Deca CAD32G7 arrives in a fixed 3 NO + 2 NC arrangement with a 120V coil, built to EN/IEC 60947-5-1 and UL listed, with screw clamp terminals and operating rates up to 180 cycles per minute. Choose the AR if you need to reconfigure contact states in the field; choose the CAD32G7 if the five-contact split is already set by the drawing.
13) Is the front of this relay finger-safe for a panel a technician has to work live?
The front face carries IP2X protection per VDE 0106, which is the finger-protection level against access to live parts. Insulation resistance is greater than 10 MOhm.
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Does the Square D CAD32G7 come with a warranty?
Absolutely. The Square D CAD32G7 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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