Contact for Pricing
Overview
- 24VDC control voltage for PLC and automation systems
- 3 Normally Open (NO) and 1 Normally Closed (NC) contacts
- Rated output: 250V AC, 10A for reliable switching
- Insulation voltage: 690V AC (IEC), 600V AC (UL/CSA)
- Operating temperature: -40°C to +70°C for harsh environments
- Solid-core magnet for stable operation and low coil consumption
- Expandable with auxiliary contact blocks for added flexibility
Specifications
Application | Mainly used for controlling 3-phase motors and generally for controlling power circuits up to 690 V AC and 220 V DC. The contactors can also be used for many other applications such as bypass, capacitor switching, lighting, DC power circuits. |
Size | 82x110x108mm |
Special Features | Terminal type: Screw terminals |
Standard | RoHs, CSA, cUL, CE, GOST |
Type | Contactors |
Package Dimensions (L x W x H) | 3.15 IN x 3.071 IN x 1.89 IN |
Package Dimensions (L x W x H) | 8.001 cm x 7.8003 cm x 4.8006 cm |
Package Weight (Imperial) | 0.660 L |
Package Weight (Metric) | 0.299 kg |
Frequently Asked Questions
What is the contact configuration of the NSL31E-81?
The relay has 3 Normally Open (NO) and 1 Normally Closed (NC) contacts.
What is the control voltage for the NSL31E-81 relay?
The NSL31E-81 operates on a 24VDC control voltage.
What is the operating temperature range for the NSL31E-81?
The relay operates reliably from -40°C to +70°C.
What is the rated output current of the NSL31E-81?
The relay has a rated output of 250V AC at 10A.
What is the insulation voltage rating of the NSL31E-81?
The relay has a rated insulation voltage of 690V AC (IEC) and 600V AC (UL/CSA).
Can the NSL31E-81 relay be mounted on a DIN rail?
Yes, the NSL31E-81 is designed for DIN rail mounting.
What is the impulse withstand voltage of the NSL31E-81?
The relay has a rated impulse withstand voltage of 6kV.
Does the NSL31E-81 relay support auxiliary contact blocks?
Yes, the relay can be expanded with add-on auxiliary contact blocks.
How to Install the ABB NSL31E-81 Relay
Step-by-step guide to mounting and wiring the NSL31E-81 relay on a DIN rail.
Estimated time: 15m
Tools needed:
Screwdriver, Wire strippers, Crimping tool
Supplies needed:
DIN rail, Mounting screws, Wiring cables
- Mount the relay to the DIN rail
Position the NSL31E-81 relay on the DIN rail and press firmly until it clicks into place.
- Connect the control voltage
Connect the 24VDC control voltage to terminals A1 (positive) and A2 (negative), ensuring correct polarity.
- Wire the output contacts
Connect the load to the 3NO and 1NC contacts as per your control circuit requirements. Ensure proper torque on terminal screws (typically 0.8-1.2 Nm).
- Verify connections
Double-check all connections for tightness and correct polarity. Apply power and test the relay operation.
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