ABB 1SBN010142R1231 Auxiliary Contact Block - UL 508
Part Number: 1SBN010142R1231
Quick Summary
ABB 1SBN010142R1231 Auxiliary Contact Block provides four auxiliary contacts for NFZB contactors in industrial control panels. Engineers often struggle with wiring reliability and secure terminations, but this block uses screw terminals and conic washers for fast, dependable connections. It meets IEC/EN 60947-5-1, UL 508 and CSA C22.2 No. 14-10, with IP20 auxiliary terminals, supporting safe installation in demanding environments. A compact, front-mounted design and the 4P, 3 NO and 1 NC configuration streamline replacement and upgrades, delivering measurable costs savings and simpler maintenance for controls and automation projects.
Product Information
Extended Description
1SBN010142R1231 ABB: CA4-31NRT is a 4-pole front mounted auxiliary contact block equipped with screw terminals for connection with ring tongue ferrules. CA4-..M version offers terminal assortment matching the marking of 4-pole NF(Z)B..RT contactor relays. CA4-31NRT is available with 3 N.O. and 1 N.C. instantaneous contacts for standard industrial environments. Screw terminals for connection with ring tongue ferrules, includes non-detachable screw with conic washer for a fast and secure tightening of cables.
Minimum Order Quantity
1 piece
Customs Tariff Number
85389099
Data Sheet, Technical Information
Motor control and protection for Rolling stock application_PDF
Instructions and Manuals
Installation instructions AF09...38(Z)B-..RT Contactors, NF(Z)B..ERT Contactor relays and CA4..RT, CAL4..RT, CAT4..RT, LDC4RT Accessories
Instructions and Manuals (Part 2)
Contactors and Overload relays guide
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
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
Number of Poles
4P
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, Θ = 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 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 Short-time Withstand Current Low Voltage (Icw)
for 0.1 s 140 A | for 1 s 100 A
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 Electrical Switching Frequency
(AC-15) 1200 cycles per hour | (DC-13) 900 cycles per hour
Maximum Mechanical Switching Frequency
3600 cycles per hour
Degree of Protection
acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20
Tightening Torque
Auxiliary Circuit 1.2 N·m
Terminal Type
Ring-Tongue Terminals
Suitable For
NFZB22E | NFB22E | NFZB31E | NFB31E | NFZB40E | NFB40E
Product Name
Auxiliary Contact Block
Tightening Torque UL/CSA
Auxiliary Circuit 11 in·lb
Conflict Minerals Reporting Template (CMRT)
CMRT - Conflict Minerals Reporting Template
REACH Declaration
REACH - Letter of Confirmation for block contactors, contactor relays, installation contactors, mini contactors, mini contactor relays, thermal overload relays, electronic overload relays and related accessories
RoHS Information
RoHS II declaration for block contactors, installation contactors, mini contactors, mini contactor relays, thermal overload relays, electronic overload relays and related accessories
RoHS Status
Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
WEEE B2C / B2B
Business To Business
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
CB Certificate
CB Certificate CA4 4-pole and CAT4 auxiliary contact blocks for AF09...AF96 contactors and NF contactor relays
CCC Certificate
CCC Certificate CA4 4-pole, CAT4-11, VE4 AF accessories with screw, Ring tongue, spring and push-in terminals
Declaration of Conformity - CCC
CCC Declaration of Conformity, Auxiliary contacts, CAL4-**, CA4-**, CC4-**, Made in Czech Republic | CCC Declaration of Conformity, Auxiliary contacts, CA4-***,CAT4-*** ,VE4, Made in Poland
Declaration of Conformity - CE
EU Declaration of Conformity CA(L)(T)4.., CC4, CA(L)(T)4..RT, CA(L)4..K, CA(L)(T)4..S auxiliary contact blocks, VM4, VM96-4, VEM4(K) interlocks
Declaration of Conformity - UKCA
UK Declaration of Conformity CA(L)(T)4.., CC4, CA(L)(T)4..RT, CA(L)4..K, CA(L)(T)4..S auxiliary contacts, VM4, VM96-4, VEM4(K) interlocks
UR Certificate
UR Certificate of Compliance 2 or 4-pole CA4..RT, CAL4..RT, CAT4..RT for AF09..38(Z)B..RT contactors / NF(Z)B..RT contactor relays
Package Level 1 Units
box 1 piece
Package Level 1 Width
46 mm
Package Level 1 Depth / Length
46 mm
Package Level 1 Height
46 mm
Package Level 1 Gross Weight
0.05 kg
Package Level 1 EAN
3471523130517
Package Level 2 Units
box 0 piece
Package Level 2 Width
0 mm
Package Level 2 Depth / Length
0 mm
Package Level 2 Height
0 mm
Package Level 3 Units
0 piece
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
Feature: Four-pole front-mounted auxiliary contact block with 3 normally open and 1 normally closed contacts. Business Impact: Enables reliable signaling and interlocking in control circuits, reducing misoperation and the need for additional relays. Application: Ideal for NFZB/NFB contactor configurations in machine controls and panel assemblies. Feature: Screw terminals for ring tongue ferrules with a conic washer and non-detachable screw. Business Impact: Delivers fast, secure terminations with vibration resistance, cutting wiring time and rework in field installations. Application: Suitable for rugged industrial environments where cables experience movement. Feature: Rated auxiliary circuit up to 690 V and 50/60 Hz with defined Ie/Ith values. Business Impact: Supports broad compatibility across standard control circuits, enabling safe operation and easier cross-model migrations. Application: Fits in AC- and DC-powered control loops in manufacturing and rolling stock. Feature: Compact footprint (45 mm W, 39.8 mm D, 43 mm H) and light weight (0.05 kg) with IP20 protection. Business Impact: Maximizes panel density and simplifies handling during installation and servicing. Application: Works well in tight control cabinets and space-constrained enclosures. Feature: Compliance and compatibility portfolio (IEC/EN 60947-5-1, UL 508, CSA C22.2 No. 14-10) and compatibility with NFZB/NFB variants. Business Impact: Ensures regulatory conformity and faster procurement with verified supplier ecosystems. Application: Streamlines project approvals and maintenance planning in industrial automation and railway applications.
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FAQs
The 1SBN010142R1231 Auxiliary Contact Block is designed for NFZB/NFB series contactors and related NF(Z)B..RT blocks. It supports the 4P configuration with 3 normally open and 1 normally closed contacts, enabling straightforward signaling and interlocking in standard control circuits.
The block is rated for auxiliary circuits up to 690 V and 50/60 Hz. The insulation and switching specifications align with IEC/EN 60947-5-1, with appropriate Ith values and short-time withstand capabilities as outlined in the product data, suitable for typical automation control loops.
Use screw terminals designed for ring tongue ferrules and the conic washer provided. Tighten to 1.2 N·m, ensuring a secure, vibration-resistant connection. The non-detachable screw design helps maintain termination integrity during panel servicing.
Yes. The block references CE declarations, UL 508, and CSA C22.2 No. 14-10 certifications, and it carries IP20 protection. This makes it suitable for industrial controls, machine panels, and other harsh environments where standards compliance is essential.
Using the 1SBN010142R1231 reduces wiring complexity, shortens installation time, and minimizes wiring errors thanks to standardized 4P NO/NC signaling and secure terminations. This translates to lower commissioning costs, easier maintenance, and safer, more reliable control panels in automation and railway applications.