Model Code Breakdown
AX50-30-00-80
- AX50: AX series general-purpose AC contactor, Frame Size 50
- 30: 3-pole, 3 main Normally Open contacts (3NO), no main Normally Closed contacts
- 00: No built-in auxiliary contacts (0NO+0NC). Auxiliary contacts must be fitted externally with CAL5X auxiliary contact blocks.
- 80: Coil Code
✅ Coil Voltage: AC 220~230V 50Hz / 230~240V 60Hz (AC Coil)
Complete Order Model: AX50-30-00-80220-230V50Hz/230-240V60Hz
ABB Order Code: 10139897
- Core Electrical Parameters
| Item | Specification |
| Main Poles | 3P (3 Normally Open Main Contacts) |
| Rated Operational Current AC-3 (400V, Motor Load) | 50 A |
| Matched 3-phase Motor Power @400V (AC-3) | 22 kW |
| AC-1 Resistive Load (40℃) | 100 A |
| Rated Insulation Voltage Ui | 690 V |
| Conventional Thermal Current Ith | 100 A |
| Control Coil | AC220~230V 50Hz / 230~240V 60Hz |
| Mechanical Endurance | ≥10,000,000 operations |
| Electrical Endurance (AC-3) | ≥1,000,000 operations |
| Max Operating Frequency | 600 operations/hour (AC-3 duty) |
| Protection Class | IP20 (Terminals) |
| Ambient Temperature | -40℃ ~ +70℃ |
| Mounting Method | DIN35 Rail Mount / Screw Panel Mount |
- Outline & Dimensions
Width × Depth × Height: 82 mm × 110 mm × 108 mm
Net Weight: Approx. 1.05 kg
Terminal Markings:
Main Circuit: 1L1, 3L2, 5L3 (Line Side); 2T1, 4T2, 6T3 (Load Side)
Coil Terminals: A1, A2 (AC coil, non-polarized)
- Key Features
- No built-in auxiliary contacts. External auxiliary contact modules CAL5X-11 (1NO+1NC), CAL5X-20, CAL5X-02 must be installed separately.
- Direct pluggable with ABB TA series thermal overload relays to form a complete motor starter.
- Compatible accessories: Surge suppressors (RC networks, varistors), mechanical interlocks, side-mounted auxiliary contacts.
- Drop-in replacement for legacy A50-30-00; AX series accessories are NOT interchangeable with older A series.
- Same Series Selection Reference
AX50-30-00-80: No built-in auxiliary contacts (Subject Model)
AX50-30-11-80: Built-in 1NO+1NC auxiliary contacts (Order Code:10139700)
- Compatible Replacement Options
Direct OEM Replacement
No newer superseding model; AX50 remains in mass production.
Cross-brand Equivalent Alternatives
Schneider LC1D50M7C (50A, AC220V coil)
Siemens 3RT2036-1AK60
⚠️ Replacement Checkpoints: Mounting dimensions, coil voltage, auxiliary contact configuration, plug compatibility with thermal relays.
- Typical Applications
Start/stop control of 3-phase motors for air compressors, water pumps, fans, conveyors, injection molding machines, HVAC equipment; switching of resistive loads such as heaters and lighting circuits.
Complete Technical Document for ABB AX50-30-00-80 AC Contactor
Basic Product Information
Full Model: AX50-30-00-80
Full Description: AX50-30-00-80 220–230V 50Hz / 230–240V 60Hz
ABB Order Code: 10139897
ABB Product Code: 1SBL351074R8000
Customs HS Code: 85364900
Series: AX series 3-pole AC operated contactor (Replaces legacy A50-30-00)
Origin: Tianjin, China
Certifications: CCC, CE, RoHS, Compliant with IEC 60947
- Model Code Breakdown
| Code Segment | Description |
| AX50 | AX Series, Frame Size 50 |
| 30 | 3-pole, 3 Normally Open main contacts (3NO), no main NC contacts |
| 0 | No built-in auxiliary contacts (0NO+0NC). Auxiliary contacts require external CAL5X accessories. |
| 80 | Coil Code: AC220~230V 50Hz / AC230~240V 60Hz |
⚠️ Distinction: AX50-30-11-80 is equipped with integrated 1NO+1NC auxiliary contacts. AX50-30-00-80 has no on-board auxiliary contacts.
- Rated Electrical Parameters (IEC 60947-4-1)
2.1 Main Circuit Parameters
| Parameter Item | Value |
| Conventional Thermal Current Ith (40℃) | 100 A |
| Rated Insulation Voltage Ui | 690 V AC |
| Rated Operational Current AC-3 (Motor Load, 400V) | 50 A |
| Matched 3-phase Motor Power @400V (AC-3) | 22 kW |
| Matched 3-phase Motor Power @500V (AC-3) | 30 kW |
| AC-1 Resistive Load (40℃) | 100 A |
| Max Making Current (AC-3) | 500 A |
| Max Breaking Current (AC-3) | 400 A |
2.2 Control Coil Parameters
Coil Voltage: AC 220~230V(50Hz) / 230~240V(60Hz)
Pick-up Voltage: ≤85% Ue
Drop-out Voltage: 10% ~ 60% Ue
Coil Power Consumption: Pick-up ≈70 VA; Holding ≈8 VA
Coil Terminals: A1, A2 (Non-polarized for AC)
2.3 Lifespan & Operation Specifications
Mechanical Endurance: ≥10,000,000 operations
Electrical Endurance (AC-3, 400V, 50A): ≥1,000,000 operations
Max Operating Frequency: 600 operations/hour (AC-3 load)
- Environmental & Mounting Specifications
| Item | Technical Specification |
| Operating Ambient Temperature | -40 ℃ ~ +70 ℃ |
| Storage Temperature | -50 ℃ ~ +80 ℃ |
| Permissible Altitude | ≤3000m; Derating required above 2000m |
| Protection Class | IP20 for main circuit terminals; IP20 for coil terminals |
| Mounting Method | DIN35mm Rail Mount / M4 Screw Panel Mounting |
| Allowable Mounting Inclination | ±30°; Vertical installation recommended |
| Vibration Resistance (IEC60068-2-6) | 5~150Hz, Amplitude 1mm |
- Outline Dimensions & Weight
Width × Depth × Height: 82 mm × 110 mm × 108 mm
Net Weight: 1.05 kg
Terminal Definition
Main Circuit Line Side: 1L1, 3L2, 5L3
Main Circuit Load Side: 2T1, 4T2, 6T3
Control Circuit: A1, A2
- Optional Accessories (Separate Order Required)
No built-in auxiliary contacts on unit; external accessories required for status feedback
- CAL5X-11: Side-mounted auxiliary contact block, 1NO+1NC (Most commonly used)
- CAL5X-20: 2 Normally Open; CAL5X-02: 2 Normally Closed
- TA Series Thermal Overload Relays: TA42DU…TA75DU, direct plug-in to build motor starters
- RC Surge Suppressor / Varistor: Connect across A1/A2 to suppress coil overvoltage
- Mechanical Interlock Module: For forward/reversing contactor interlocking
- Terminal Protection Cover
⚠️ Important Notice: AX series accessories cannot be interchanged with legacy A series (A50).
- Standard Wiring Description
- Basic Motor Start-Stop Circuit
3-phase Power → 1L1/3L2/5L3; 2T1/4T2/6T3 → 3-phase Motor
Control Circuit: Power → Start/Stop Pushbuttons → A1, A2
- For running status feedback: Install CAL5X-11, use 13/14 NO contact for signal feedback
- Surge suppression components for coil must be wired in parallel across A1 and A2, never in series.
- Official Document Download Sources
- ABB Global Product Page (Download Datasheet, 2D Drawing, 3D CAD)
https://new.abb.com/products/1SBL351074R8000/ax50-30-00-80
- ABB Library library.abb.com
Search Document ID: 9AKK107492A7059 (AX Series General Manual)
- ABB China Online Store: Search Order Code 10139897 at mall.abb.com.cn
- Selection & Replacement Guide
OEM Upgrade
No superseding model; AX50 is currently in continuous production. Discontinued legacy A50-30-00 can be directly replaced by this model.
Cross-brand Equivalent Alternatives
Schneider LC1D50M7C
Siemens 3RT2036-1AK60
Replacement Verification Points: Coil voltage, mounting dimensions, plug compatibility with thermal overload relays, auxiliary contact configuration.
- Application Precautions & Pitfall Avoidance
- 00 designation means no built-in auxiliary contacts. Do not assume integrated 1NO+1NC contacts.
- Derate load current if ambient temperature >55℃ or installation altitude >2000m.
- For inductive loads (motors), coil surge suppression is recommended to avoid PLC electromagnetic interference.
- Not designed for direct switching of high-voltage DC; operate only within specified AC load categories.
- CAL5X auxiliary blocks can only be fitted on the left and right sides of contactors; top mounting is prohibited.
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