CA4-31NRT
Product ID:74125
Updated: 2026/4/4
Key Features
- 1Deploy 3 N.O. and 1 N.C. contacts for versatile circuit control. 2、Secure connections with screw terminals for ring tongue ferrules. 3、Meet IEC, UL, and CSA standards for global compliance. 4、Retrofit NFB series contactor relays seamlessly. 5、Ensure stability with a non-detachable screw and washer.
Technical Specifications
Detailed engineering parameters
| Parameter | Value | Parameter | Value |
|---|---|---|---|
| Product Net Width | 45 mm | Product Net Depth / Length | 39.8 mm |
| Product Net Height | 43 mm | Product Net Weight | 0.05 kg |
| Number of Auxiliary Contacts NO | 3 | Number of Auxiliary Contacts NC | 1 |
| Standards | IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-10 | Rated Operational Voltage | Auxiliary Circuit 690 V |
| Rated Frequency (f) | Auxiliary Circuit 50 / 60 Hz | Conventional Free-air Thermal Current (Ith) | acc. to IEC 60947-5-1, Π= 40 °C 16 A |
| Rated Operational Current AC-15 (Ie) | (500 V) 2 A (690 V) 2 A (24 / 127 V) 6 A (220 / 240 V) 4 A (400 / 440 V) 3 A | Rated Short-time Withstand Current Low Voltage (Icw) | for 0.1 s 140 A for 1 s 100 A |
| Maximum Electrical Switching Frequency | (AC-15) 1200 cycles per hour (DC-13) 900 cycles per hour | Rated Operational Current DC-13 (Ie) | (24 V) 6 A / 144 W (48 V) 2.8 A / 134 W (72 V) 1 A / 72 W (110 V) 0.55 A / 60 W (125 V) 0.55 A / 69 W (220 V) 0.27 A / 60 W (250 V) 0.27 A / 68 W (400 V) 0.15 A / 60 W (500 V) 0.13 A / 65 W (600 V) 0.1 A / 60 W |
| Rated Insulation Voltage (Ui) | acc. to IEC 60947-5-1 690 V acc. to UL/CSA 600 V | Rated Impulse Withstand Voltage (Uimp) | 6 kV |
| Maximum Mechanical Switching Frequency | 3600 cycles per hour | Degree of Protection | acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 |
| Terminal Type | Ring-Tongue Terminals | Suitable For | NFZB22E NFB22E NFZB31E NFB31E NFZB40E NFB40E |
| Tightening Torque UL/CSA | Auxiliary Circuit 11 in·lb | Object Classification Code | K |
| ETIM 7 | EC000041 - Auxiliary contact block | ETIM 8 | EC000041 - Auxiliary contact block |
| ETIM 9 | EC000041 - Auxiliary contact block | eClass | V11.0 : 27371302 |
| UNSPSC | 39121522 | IDEA Granular Category Code (IGCC) | 4743 >> Auxiliary contact block |
| Manufacturer ID | 1SBN010142R1231 |
Specifications may be subject to change without notice