Danfoss 136Z4305 - VLT® Soft Starter MCD 500/600, 400 HP, 736 A, 200-525 V, 110-240 V control, bypassed, IP00, frame S3
Danfoss

136Z4305

Alternate Item Number: MCD60736BT5S3X00CV2


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Installation InstructionsSpecification Sheet

Contact for Pricing

Overview

VLT® Soft Starter MCD 500/600 A soft starter for larger motors, available internally bypassed so the SCRs carry current only during the ramp and the unit runs cool once the motor is up to speed. It suits pumps, fans, compressors and conveyors where starting current or water hammer is the constraint and variable running speed is not required. This unit is rated 400 HP, 736 A continuous, frame S3. It is supplied for a 200-525 V mains, so one unit covers the usual utilization voltages in that band rather than requiring a voltage-specific part. The control supply is separate from the motor circuit and runs on 110-240 V — worth checking against the panel's existing control voltage before ordering, because it is a distinct rating from the mains. An internal bypass contactor carries the motor current once the ramp is complete, so the SCRs only conduct during starting. That keeps steady-state heat out of the enclosure and avoids the separate bypass contactor an unbypassed starter needs. Supplied as an open chassis (IP00) for mounting inside a customer enclosure that provides the protection and cooling. Danfoss drives are configured rather than stocked as fixed catalogue items: the type code MCD60736BT5S3X00CV2 identifies this exact build, and 136Z4305 is the quick order number Danfoss issues for it. Other valid configurations can be built to order.
  • Fixed-speed motor control with soft start/stop to reduce mechanical stress
  • Input voltage: 3 x 200-690V; Control voltage: 24V DC or 110-240V AC
  • Current range: 20-129A (IP20) or 144-579A (IP00) with multiple enclosure options
  • Pump Clean/Reverse function for efficient pump management with soft ramps
  • Fieldbus compatibility via PROFIBUS DP and EtherNet/IP (optional cards)

Specifications

Bypass
Internally bypassed
Continuous Amps
736
Control Voltage
110-240 V
Enclosure
0
Frame Size
S3
Horsepower
400 HP
Phase
3
Phases and main voltage
200-525 V
Product Line
500 Volt Built in Bypass
Product Line
VLT® Soft Starter (MCD series)
Series
SOFT STARTERS
Type Code
MCD60736BT5S3X00CV2
Voltage
500 Volt Built in Bypass
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)
Ground Lug

DNGL

Ground Lug
CONTACT BLOCK BU BLB-02

BLB-02

CONTACT BLOCK BU BLB-02
CONTACT BLOCK BU BFB-40

BFB-40

CONTACT BLOCK BU BFB-40
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.

Frequently Asked Questions

What is the voltage range for the VLT® Soft Starter MCD 600?

The VLT® Soft Starter MCD 600 operates on 3 x 200-525 VAC (T5) or 3 x 380-690 VAC (T7) mains voltage.

What is the current range for the VLT® Soft Starter MCD 600?

The MCD 600 has a current range of 20-1250 A nominal, with IP20 enclosures from 20-129 A and IP00 enclosures from 144-1250 A.

Can the soft starter be programmed via PC?

Yes, the soft starter can be programmed via PC using the VLT® Motion Control Tool MCT 10 set-up software.

What is the power range for the Eltwin SMC Soft Starter?

The Eltwin SMC Soft Starter is designed for AC motors up to 11 kW, with a power range of 0.1-11 kW @ 400 V.

What is the voltage range for the VLT® Compact Starter MCD 201/202?

The VLT® Compact Starter MCD 201 and 202 series operate on 3 x 200-575 VAC mains voltage.

Does the soft starter generate harmonics?

No, soft starters generate zero harmonics, eliminating the need for filters and screened cables.

What are the benefits of using a soft starter with integrated bypass?

Integrated bypass reduces heat loss, saves panel space compared to external bypass, and allows for faster wiring, leading to energy savings and a quick payback period.

What protection features are included in the VLT® Soft Starter MCD 600?

The MCD 600 includes 19 protection features, such as motor thermistor connection, current imbalance, under/overcurrent, undervoltage/overvoltage, and dry pump protection.

What are the dimensions for the VLT® Compact Starter MCD 201 (7.5-30 kW)?

For sizes 7.5-30 kW at 400 V, the MCD 201 has a height of 203 mm, width of 98 mm, and depth of 165 mm.

What is the purpose of the Pump Clean function on the MCD 600?

The Pump Clean function on the MCD 600 automatically runs the motor alternately in reverse and forward to clear a blocked pump, increasing uptime and pump life.

Frequently Asked Questions about Danfoss

What certifications and standards do Danfoss products comply with?

Danfoss products meet an extensive range of international certifications and standards, including EU directives (CE mark), mechanical standards, functional safety standards, and regional certifications. Key certifications include CE marking covering Low Voltage, EMC, Machinery, ErP, ATEX, and RoHS directives; mechanical standards like EN 60529 and UL 50; functional safety standards such as EN 61800-5-2 and IEC 61508; and regional certifications including cULus (North America), UKCA (UK), EAC (Russia), and C-Tick (Australia & New Zealand).

What certifications and standards do Danfoss products comply with?

Danfoss products meet an extensive range of international certifications and standards, including EU directives (CE mark), mechanical standards, functional safety standards, and regional certifications. Key certifications include CE marking covering Low Voltage, EMC, Machinery, ErP, ATEX, and RoHS directives; mechanical standards like EN 60529 and UL 50; functional safety standards such as EN 61800-5-2 and IEC 61508; and regional certifications including cULus (North America), UKCA (UK), EAC (Russia), and C-Tick (Australia & New Zealand).

What communication protocols do Danfoss products support?

Danfoss products support a comprehensive range of communication protocols including PROFIBUS DP V1, PROFINET with dual port, EtherNet/IP with dual port, CANopen, DeviceNet, and Modbus RTU (integrated as standard). Additional protocols supported include Modbus TCP, BACnet (MS/TP and IP), EtherCAT, PowerLink, LonWorks, AS interface, and Siemens FLN P1. The specific protocols available vary by product line, with VLT®, VACON®, iC7, and iC2 drives offering extensive fieldbus independence to integrate seamlessly into various automation systems.

What certifications and standards do Danfoss products comply with?

Danfoss products comply with a comprehensive range of certifications and standards including EU directives (CE mark covering Low Voltage, EMC, Machinery, ErP, ATEX, RoHS, and Radio Equipment directives), mechanical standards (EN 60529 IP code, UL 50), functional safety standards (EN 61800-5-2, EN ISO 13849-1, EN 62061, IEC 61508), and ecodesign standards (IEC 61800-9-2). Regional certifications include cULus (North America), UKCA (United Kingdom), EAC (Russia), C-Tick (Australia & New Zealand), TÜV (European safety), and compliance with REACH directive for chemical restrictions.

What industries and applications are Danfoss products used for?

Danfoss products are used across several key industries including HVAC, Food and Beverage, Packaging, Water and Wastewater, Refrigeration, and Marine applications. Their drives and automation solutions serve a wide range of applications such as pumps, fans, compressors, conveyors, process and material treatment equipment, mills, drums, kilns, winding/unwinding systems, drilling equipment, propulsion systems, winches, and power conversion for generation and smart grids. Danfoss has particular expertise in marine applications with over 40 years of experience, providing solutions for ship owner-operators, shipyards, system integrators, and OEMs.

What are the key features of Danfoss products?

Key features of Danfoss products include integrated design elements (harmonics, EMC design, DC choke, and EMC filter) that save installation time and panel space while improving reliability. Installation and setup features include removable terminals, USB ports for easy PC connection, application setup wizards, and optional memory modules for convenient parameter transfer. Safety and control features encompass integrated Safe Torque Off (STO) dual channel functionality, control algorithms that run both induction and PM motors, and integrated brake choppers for drives up to 22 kW. Additional operational benefits include side-by-side mounting without derating, operation up to 45°C without derating, and robust construction designed for maximum uptime and efficiency across various industrial applications.

What environmental ratings do Danfoss products have?

Danfoss products offer various environmental protection ratings to meet different application requirements. Their VLT drive series are available in IP00 (Chassis), IP20 (Protected chassis), IP21 (NEMA Type 1), IP54 (NEMA Type 12), IP55, and IP66 (NEMA 4X) ratings. These ratings provide protection ranging from basic chassis protection to dust-tight and water-resistant enclosures suitable for both indoor and outdoor applications, with NEMA 4X/IP66 offering the highest level of protection against windblown dust, rain, splashing water, and external ice formation.

What accessories are available for Danfoss products?

Danfoss offers an extensive range of accessories for their VLT® drive products, organized into several categories: Fieldbus options (including PROFIBUS, DeviceNet, CANopen, PROFINET, Ethernet/IP, and Modbus TCP communication cards), I/O and feedback options (such as general purpose I/O, encoder input, relay cards, and sensor input modules), safety options (including Safe PLC I/O and PTC thermistor cards), motion control options (position controllers and synchronizing controllers), power options (brake resistors and various filters), and other accessories like mounting kits, USB cables, and IP rating conversion kits. These accessories are designed to be installed in specific option slots (A, B, C, and D) on the drives to add extra features and tailor the drive to specific application needs.

What are the main product lines offered by Danfoss?

Danfoss offers several main product lines including: Danfoss Drives (featuring VLT® and VACON® variable frequency drives, plus iC7 and iC2-Micro series), Industrial Automation solutions (sensors, switches, and fluid controls), Danfoss Semco firefighting systems, Sondex® Heat Exchangers, Hydronic Balancing and Control valves, Power Solutions (hydraulic components and PLUS+1® controllers), High Pressure Pumps for seawater applications, Industrial Refrigeration components, and Danfoss IXA emission gas measurement sensors. These product lines serve diverse industries including marine, HVAC, food and beverage, water treatment, and heavy industrial applications.

What is Danfoss's warranty policy?

Danfoss offers standard factory warranty coverage for drives that covers product failures due to defects in materials or workmanship. For new drives, they provide 2-6 year DrivePro Extended Warranty options with factory repair (including parts, labor, and return shipping) and onsite service (covering parts, labor, and travel costs up to $1,000 per incident). They also offer DrivePro-tection warranty that extends coverage to line and load anomalies, accidental moisture exposure, physical damage, and normal wear, though it excludes vandalism, misapplication, and natural disasters. However, the complete warranty terms and conditions are available on their website at www.danfossdrives.com.