ABB - Electrification Signature Partner Distributor
ABB - Electrification PSTX840-690-70 - The softstarter PSTX840-690-70 has a rated maximum operational current of 840 A with an operating voltage span from 208...690 V AC. The rated control voltage is between 100...250 V AC at 50/60 Hz. PSTX features a three-phase control soft start and stop through a voltage or a torque ramp. It has built-in bypass for easy installation and energy saving. A RUN, TOR and Event signal is available from relay outputs in NO (normally open state). The PSTX has functions such as current limit, kickstart, analog output, EOL, motor heating and pump cleaning. PSTX also features features jog, braking, stand-still brake, diagnostics, sequence start and emergency/fire pump mode as standard.To interact with PSTX, it has a detachable full graphic display with IP66 and 4x outdoor rating. There are four ways to communicate with PSTX. It can be done by hardwire inputs Start/Stop/Reset of fault, and by three programmable digital inputs. Another popular option is the built-in Fieldbus communication Modbus RTU and incl optional ANYBUS modules with every major protocol such as for example Profinet, Profibus, Modbus TCP, Ethernet IP and others. Another way to communicate with PSTX is to use an external adaptor and a Fieldbus plug. PSTX is the complete alternative for any motor starting application. It’s suitable for medium to large-sized three-phase motors with nominal currents from 30...1250 A inline connection or 52...2160 A inside delta connection. Typical applications are, for example, pumps, fans, compressors, and conveyors.
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ABB - Electrification

PSTX840-690-70

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Specification Sheet

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Overview

The ABB PSTX840-690-70 softstarter (SKU: PSTX840-690-70) is a high-current, three-phase motor controller designed for medium to large industrial applications. Rated for 840 A maximum operational current and 208–690 V AC operation, this unit delivers precise soft start and stop via voltage or torque ramp to reduce mechanical stress, extend motor life, and minimize electrical surges. The built-in bypass contactor improves energy efficiency by reducing power losses during normal operation, while simplifying installation and maintenance. Key specifications include a control voltage range of 100–250 V AC at 50/60 Hz, inline connection support for 30–1250 A motors, and delta connection support for 52–2160 A motors. The PSTX840-690-70 supports overload class 10 operation with a maximum altitude of 4000 meters and ambient operating temperatures from -25°C to 40°C. Power loss at rated current is 106 W, with a holding power requirement of 61 VA. The unit is UL Type 1, 12, 3R, and 4 rated with IP20 for main and control circuits. Communication flexibility is a standout feature, offering hardwired Start/Stop/Reset inputs, three programmable digital inputs, built-in Modbus RTU, and optional fieldbus modules (Profinet, Profibus, Modbus TCP, Ethernet/IP) via ANYBUS adapters. Relay outputs provide RUN, TOR, and Event signals in normally open state. Advanced protection functions include current limiting, kickstart, end-of-life (EOL) monitoring, motor heating detection, and pump cleaning. Additional features encompass emergency/fire pump mode, jogging, braking, stand-still braking, diagnostics, and sequence start. The detachable full-graphic display (IP66, 4X outdoor rated) supports 17 languages and enables easy configuration and monitoring in harsh environments. Typical applications include pumps, fans, compressors, and conveyors where reliable motor control and energy savings are critical. The PSTX840-690-70 is manufactured in the US and distributed by ABB Electrification, ensuring compatibility with global industrial standards.
  • Rated operational current: 840 A (inline) / 2160 A (delta)
  • Operating voltage: 208–690 V AC, control voltage: 100–250 V AC
  • Built-in bypass for energy efficiency and simplified installation
  • Modbus RTU + optional fieldbus modules (Profinet, Profibus, Ethernet/IP)
  • Advanced protections: current limit, EOL, motor heating, pump cleaning

Specifications

Package Dimensions (L x W x H)
14.49 IN x 19.41 IN x 14.21 IN
Package Dimensions (L x W x H)
36.8046 cm x 49.3014 cm x 36.0934 cm
Package Weight (Imperial)
130.000 L
Package Weight (Metric)
58.968 kg
GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)

1270040900

GMD-16M DC240V 3W 1b EXP (GMD16M-30-01-UD-3W-S-E)
MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)

1311001000

MT-63 34A 3D SCREW EXP (MT63-3D-34-S-E)
One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.

LCMA6-8-C

One-hole, metric conductor, standard barrel with window lug, 4-6mm wire, M8 stud hole.
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-20

BFB-20

CONTACT BLOCK BU BFB-20

Frequently Asked Questions

Does the PSTX840-690-70 have built-in bypass?

Yes, the PSTX840-690-70 includes a built-in bypass contactor for energy savings and simplified installation.

What is the maximum operational current of the PSTX840-690-70?

The PSTX840-690-70 has a rated maximum operational current of 840 A for inline connections and supports up to 2160 A in delta connections.

What communication protocols does the PSTX840-690-70 support?

The unit includes built-in Modbus RTU and supports optional fieldbus modules for Profinet, Profibus, Modbus TCP, and Ethernet/IP via ANYBUS adapters.

What is the operating temperature range for the PSTX840-690-70?

The ambient operating temperature range is -25°C to 40°C, with storage from -40°C to 70°C.

What protection features are included in the PSTX840-690-70?

The unit offers current limiting, end-of-life (EOL) monitoring, motor heating detection, pump cleaning, and overload class 10 protection.

What is the power loss at rated current for the PSTX840-690-70?

The maximum power loss at rated current is 106 W.

What is the degree of protection for the PSTX840-690-70?

The main and control circuits have IP20 protection, while the enclosure is UL Type 1, 12, 3R, or 4 rated.

What applications is the PSTX840-690-70 suitable for?

Typical applications include pumps, fans, compressors, and conveyors where reliable motor control and energy efficiency are required.

Can the PSTX840-690-70 operate at high altitudes?

Yes, the unit supports operation up to 4000 meters with current de-rating based on altitude.

What relay outputs are available on the PSTX840-690-70?

The unit provides three programmable relay outputs that can be configured for RUN, TOR, Event, or Sequence signals.

How to Install the ABB PSTX840-690-70 Softstarter

Step-by-step guide to mounting and wiring the PSTX840-690-70 softstarter.

Estimated time: 45m

Tools needed:

Screwdriver, Wire strippers, Multimeter

Supplies needed:

Mounting screws, Cable glands, Copper conductors (per local codes)

  1. Mount the softstarter

    Secure the PSTX840-690-70 to a flat, vibration-free surface using the provided mounting holes. Ensure the enclosure is UL Type 1, 12, 3R, or 4 rated for the installation environment.

  2. Connect power supply

    Connect the main power supply (208–690 V AC) to the input terminals, ensuring proper phase alignment. Verify the control voltage (100–250 V AC) is correctly wired to the control circuit terminals.

  3. Wire motor and bypass

    Connect the motor to the output terminals, matching the motor’s rated current (30–1250 A inline or 52–2160 A delta). Ensure the built-in bypass contactor is properly engaged for energy-efficient operation.

  4. Configure communication and inputs

    Connect the Start/Stop/Reset hardwired inputs and three programmable digital inputs as required. For Modbus RTU or fieldbus communication, connect the appropriate cables to the designated ports.

  5. Verify and test

    Power on the unit and verify all connections. Use the detachable IP66 display to configure parameters and perform a test start/stop cycle to ensure proper operation.

Frequently Asked Questions about ABB - Electrification

What industries and applications are Jokab Safety products used for?

Jokab Safety products are specifically designed for machine safety applications across multiple critical industrial sectors, including Food and Beverage, Packaging, and Material Handling industries. Their safety solutions cover a wide range of machine safeguarding needs, such as safety light guards, safety controllers, safety relays, safety edges, safety mats, and two-hand control devices that protect personnel and equipment in complex industrial automation environments.

What technical support does Jokab Safety offer?

Jokab Safety offers comprehensive technical support through multiple channels, including a dedicated technical support phone line at (888) 385-1221 (Option 1) and email support at [email protected]. For advanced technical assistance, customers can contact their specialized Jokab Tech Support at (519) 982-0976 or email [email protected]. Additionally, they provide product specialist support through Jeff Leslie, who can be reached at (519) 982-0976, offering in-depth application and technical guidance.

What are the main product lines offered by Jokab Safety?

Jokab Safety offers a comprehensive range of machine safety products including safety light guards (Orion), safety controllers (Pluto), safety relays (Sentry), safety edges, safety contact mats, safety locks (Gkey), and safety sensors with OSSD and DYNlink interfaces. Their product lines are specifically designed for industrial applications in food and beverage, packaging, and material handling industries, providing robust safety solutions for machine guarding and personnel protection.

What are the key features of Jokab Safety products?

Jokab Safety products offer comprehensive industrial safety solutions with key features including: highest safety certification levels (up to PL e/Cat 4), extensive fault detection, multiple safety device types (optical safety devices, pressure sensitive devices, sensors, switches, locks, emergency stops), and innovative DYNlink technology that reduces cable requirements and simplifies installation. Their products are certified, verified, and compatible with major industrial automation systems like B&R, featuring easy M12 connector connections and a wide range of adapters to streamline safety implementation.

What certifications and standards do ABB - Electrification products comply with?

ABB - Electrification products comply with a comprehensive range of international certifications and standards, including UL (United States), CSA (Canada), CE (European Community), UKCA (United Kingdom), EAC (Russia), and C-Tick (Australia & New Zealand). Our products meet critical international standards such as IEC 60947 series for low-voltage switchgear, functional safety standards EN 61800-5-2 and ISO 13849-1, and marine classification standards from Bureau Veritas, DNV, and Lloyd's Register of Shipping.

What industries and applications are ABB - Electrification products used for?

ABB - Electrification products are engineered for critical applications across multiple industries, including Energy, Oil & Gas, Manufacturing, Power Generation, HVAC, Marine, Food & Beverage, Mining, Pulp & Paper, Water Treatment, and Automotive. Their solutions cover essential electrical infrastructure needs such as switchgear, power distribution systems, circuit protection, digital control technologies, and drive systems designed for high-reliability environments with a strong focus on sustainability, efficiency, and safety.

What technical support does ABB - Electrification offer?

ABB - Electrification offers comprehensive technical support through multiple channels, including a dedicated technical support hotline at 888-385-1221 (Option 1), available 7:00 a.m. - 5:00 p.m. CST, Monday-Friday. Their support services encompass 24/7/365 emergency services, on-site support, remote monitoring and diagnostics, installation and commissioning, equipment assessments, repair coordination, and multi-vendor technical assistance. Customers can also access resources like personnel safety training, disaster recovery support, and service agreements tailored to their specific electrification needs.

What are the main product lines offered by ABB - Electrification?

ABB - Electrification offers a comprehensive range of electrical distribution and protection products, including circuit monitoring systems, panelboards, switchgear, motor control centers, circuit breakers, softstarters, and power distribution solutions. Key product lines span low and medium voltage applications across utilities, commercial, industrial, healthcare, and manufacturing sectors, with specialized offerings like the ReliaGear® panelboards, SMISSLINE TP bus systems, and Ekip UP protection and metering relays.

What are the key features of ABB - Electrification products?

ABB - Electrification products feature advanced integrated design elements that enhance industrial performance and reliability. Key features include harmonics and EMC design, integrated DC choke, removable terminals for fast installation, USB ports for troubleshooting, and integrated Safe Torque Off (STO) functionality. The products deliver superior motor control capabilities, support both induction and permanent magnet motors, and offer robust operational features like side-by-side mounting without derating and operation at temperatures up to 45°C. Additionally, ABB's Electrification solutions emphasize digital innovation, with technologies like Novolink enabling predictive maintenance, enhanced analytics, and seamless system integration.

What communication protocols do ABB - Electrification products support?

ABB - Electrification products support a comprehensive range of industrial communication protocols, including Modbus RTU, PROFIBUS DP, PROFINET, EtherNet/IP, CANopen, DeviceNet, and IEC 61850. These protocols enable flexible connectivity across multiple industrial automation platforms, with support for various network topologies and high-speed data transmission up to 100 Mbps.