ABB 1SBL921074R8510 Block Contactor - 690V AC-3 18A
Part Number: 1SBL921074R8510
Quick Summary
ABB 1SBL921074R8510 Block Contactor is a three-pole AC switch designed to control 3-phase motors and power circuits up to 690 V. Engineers often face space constraints and wiring complexity when integrating motor starters, which can drive up installation time and maintenance costs. This device includes a built-in auxiliary contact and a compact, modular block design to streamline wiring, reduce panel depth, and improve reliability in demanding environments. It carries CE, UL, and CCC declarations (along with RoHS and REACH compliance) to support global deployments. With a 44 mm width, 74 mm depth, and IP20 protection, the unit fits standard control panels while delivering robust performance for 380–400 V 50 Hz or 400–415 V 60 Hz control voltages.
Product Information
Extended Description
1SBL921074R8510 ABB: AX09...AX25 contactors are mainly used for controlling 3-phase motors and power circuits up to 690 V AC. These contactors are of the block type design with: – 3 main poles and 1 built-in auxiliary contact – control circuit: AC operated – add-on auxiliary contact blocks for front or side mounting and a wide range of accessories.
Minimum Order Quantity
1 piece
Customs Tariff Number
85364900
Data Sheet, Technical Information
1SBC100187L0203
Instructions and Manuals
AX 06~40A instructions
CAD Dimensional Drawing
Information - 2D and 3D files for CAD systems
Product Net Width
44 mm
Product Net Depth / Length
74 mm
Product Net Height
74 mm
Product Net Weight
0.326 kg
Number of Main Contacts NO
3
Number of Main Contacts NC
0
Number of Auxiliary Contacts NO
1
Number of Auxiliary Contacts NC
0
Rated Operational Voltage
Auxiliary Circuit 690 V | Main Circuit 690 V
Rated Frequency (f)
Auxiliary Circuit 50 / 60 Hz | Main Circuit 50 / 60 Hz
Conventional Free-air Thermal Current (Ith)
acc. to IEC 60947-4-1, Open Contactors Θ = 40 °C 28 A | acc. to IEC 60947-5-1, Θ = 40 °C 16 A
Rated Operational Current AC-1 (Ie)
(220 / 240 V) 55 °C 25 A | (690 V) 40 °C 27 A | (690 V) 70 °C 20 A
Rated Operational Current AC-3 (Ie)
(415 V) 55 °C 18 A | (440 V) 55 °C 12 A | (500 V) 55 °C 12 A | (690 V) 55 °C 9 A | (380 / 400 V) 55 °C 18 A | (220 / 230 / 240 V) 55 °C 18 A
Rated Operational Current AC-15 (Ie)
(500 V) NC 2 | (500 V) 2 A | (690 V) 2 A | (24 / 127 V) 6 A | (220 / 240 V) 4 A | (380 / 400 V) 3 A | (400 / 440 V) 2 A
Rated Operational Current DC-13 (Ie)
(24 V) 6 A / 144 W | (110 V) 1.1 A / 121 W | (125 V) 1.1 A / 138 W | (220 V) 0.55 A / 121 W | (250 V) 0.55 A / 138 W | (400 V) 2.8 A / 134 W | (500 V) 2 A / 144 W
Rated Operational Power AC-3 (Pe)
(415 V) 9 kW | (440 V) 5.5 kW | (500 V) 7.5 kW | (690 V) 7.5 kW | (380 / 400 V) 7.5 kW | (220 / 230 / 240 V) 4 kW
Rated Short-time Withstand Current Low Voltage (Icw)
at 40 °C Ambient Temp, in Free Air, from a Cold State 10 s 145 A | at 40 °C Ambient Temp, in Free Air, from a Cold State 15 min 28 A | at 40 °C Ambient Temp, in Free Air, from a Cold State 1 min 60 A | at 40 °C Ambient Temp, in Free Air, from a Cold State 1 s 300 A | at 40 °C Ambient Temp, in Free Air, from a Cold State 30 s 80 A | for 0.1 s 140 A | for 1 s 100 A
Maximum Breaking Capacity
cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 440 V 250 A | cos phi=0.45 (cos phi=0.35 for Ie > 100 A) at 690 V 90 A
Rated Insulation Voltage (Ui)
acc. to IEC 60947-4-1 and VDE 0110 (Gr. C) 690 V
Rated Impulse Withstand Voltage (Uimp)
Auxiliary Circuit 6 kV
Maximum Electrical Switching Frequency
(AC-1) 600 cycles per hour | (AC-15) 1200 cycles per hour | (AC-3) 1200 cycles per hour | (DC-13) 900 cycles per hour
Maximum Mechanical Switching Frequency
3600 cycles per hour
Rated Control Circuit Voltage (Uc)
50 Hz 380 ... 400 V | 60 Hz 400 ... 415 V
Power Loss
at Rated Operating Conditions AC-1 per Pole 1 W | at Rated Operating Conditions AC-3 per Pole 0.2 W
Operate Time
Between Coil De-energization and NC Contact Closing 9 ... 16 ms | Between Coil De-energization and NO Contact Opening 4 ... 11 ms | Between Coil Energization and NC Contact Opening 7 ... 21 ms | Between Coil Energization and NO Contact Closing 10 ... 26 ms
Degree of Protection
acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 | acc. to IEC 60529, IEC 60947-1, EN 60529 Coil Terminals IP20 | acc. to IEC 60529, IEC 60947-1, EN 60529 Main Terminals IP20
Tightening Torque
Auxiliary Circuit 1 N·m | Control Circuit 1 N·m | Main Circuit 1 N·m
Terminal Type
Screw Terminals
Product Name
Block Contactor
General Use Rating UL/CSA
(600 V AC) 30 A
Horsepower Rating UL/CSA
(120 V AC) Single Phase 1 hp | (200 ... 208 V AC) Three Phase 5 hp | (220 ... 240 V AC) Three Phase 5 hp | (240 V AC) Single Phase 3 hp | (440 ... 480 V AC) Three Phase 10 hp | (550 ... 600 V AC) Three Phase 15 hp
Tightening Torque UL/CSA
Auxiliary Circuit 9 in·lb | Control Circuit 9 in·lb | Main Circuit 9 in·lb
Full Load Amps Motor Use
(120 V AC) Single Phase 16 A | (200 ... 208 V AC) Three Phase 17.5 A | (220 ... 240 V AC) Three Phase 15.2 A | (240 V AC) Single Phase 17 A | (440 ... 480 V AC) Three Phase 14 A | (550 ... 600 V AC) Three Phase 17 A
Ambient Air Temperature
Close to Contactor Fitted with Thermal O/L Relay -25 ... 55 °C | Close to Contactor without Thermal O/L Relay -40 ... 70 °C | Close to Contactor for Storage -60 ... +80 °C | Near Contactor for Operation in Free Air -40 ... 70 °C
Climatic Withstand
acc. to IEC 60068-2-30 and 60068-2-11 - UTE C 63-100 specification II
Maximum Operating Altitude Permissible
Without Derating 3000 m
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
Toxic Substances Control Act - TSCA
Toxic Substances Control Act (TSCA) declaration for Contactors
WEEE B2C / B2B
Business To Business
WEEE Category
5. Small Equipment (No External Dimension More Than 50 cm)
CB Certificate
AX 06~25A CB certification
CCC Certificate
9AKK107492A7089
CCS Certificate
CCS Certificate of AFC09 ... AFC96 , AX09-AX370 contactors
CQC Certificate
CQC Certificate, Contactor, AX06, AX09, AX12, AX18, AX25, Made in China
Declaration of Conformity - CCC
CCC Declaration of Conformity, Contactor, AX06, AX09, AX12, AX18, AX25, Made in China
Declaration of Conformity - CE
EU Declaration of Conformity AX06, AX09, AX12, AX18, AX25, AX32, AX40, AX50, AX65, AX80 3-pole Contactors
UL Certificate
UL Certificate of Compliance – AX06, AX09, AX12, AX18, AX25
Package Level 1 Units
box 1 piece
Package Level 1 Width
48 mm
Package Level 1 Depth / Length
78 mm
Package Level 1 Height
79 mm
Package Level 1 Gross Weight
0.34 kg
Package Level 1 EAN
3471522395856
Package Level 2 Units
30 piece
Package Level 2 Width
240 mm
Package Level 2 Depth / Length
295 mm
Package Level 2 Height
145 mm
Package Level 2 Gross Weight
10.2 kg
Object Classification Code
Q
ETIM 7
EC000066 - Power contactor, AC switching
ETIM 8
EC000066 - Power contactor, AC switching
ETIM 9
EC000066 - Power contactor, AC switching
eClass
V11.0 : 27371003
UNSPSC
39121529
IDEA Granular Category Code (IGCC)
4755 >> Contactors
Feature: Three main normally opened contacts plus one built-in auxiliary contact provides direct motor control with integrated signaling. Business Impact: Reduces wiring complexity and panel footprint, accelerating installation and minimizing wiring errors. Application: Ideal for 3-phase motor starters in machine automation and switchgear. Feature: Block contour and compact footprint enable tighter control panels and easier enclosure integration. Business Impact: Improves space efficiency and reduces cabinet depth, lowering total installed cost. Application: Suitable for new builds and refurbishments in compact automation cells. Feature: Rated insulation up to 690 V and 50/60 Hz control voltage compatibility. Business Impact: Supports global electrical standards and diverse mains, simplifying procurement and stocking. Application: European and international motor control circuits. Feature: Screw terminals with 1 N·m tightening torque and IP20 protection. Business Impact: Secure, vibration-tolerant connections and reliable operation in industrial environments. Application: Panel boards, control cabinets, and machine-mounted starters. Feature: Add-on auxiliary contact blocks for front or side mounting and a wide range of accessories. Business Impact: Flexible configuration for feedback, interlocking, and signaling without redesigning circuits. Application: scalable control schemes in complex automation layouts. Feature: High switching performance with quantified Icw values and AC-3 ratings. Business Impact: Predictable short-time withstand and reliable motor start/stop under peak loads. Application: Heavy-duty conveyor lines, pumps, and fans in manufacturing settings.
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FAQs
The AX18-30-10-85 coil operates at 380–400 V for 50 Hz and 400–415 V for 60 Hz, making it suitable for common European power systems.
Yes. The product carries CE and UL documentation, CCC/CQC certificates, and RoHS/REACH declarations to support global compliance.
The rated operational current AC-3 at 690 V is 9 A (55 °C). At 415 V it is 18 A, with variations by voltage and temperature ratings.
Net width is 44 mm, depth 74 mm, height 74 mm, with a net weight of 0.326 kg (packaged at approximately 0.34 kg).
Best for controlling 3-phase motors and power circuits up to 690 V AC in switchgear and machinery, with built-in auxiliary signaling and compatibility with add-on contact blocks.