Is 3LD2003-0TK51 discontinued?
3LD2003-0TK51 is commonly available as a spare part. Submit an RFQ for pricing and lead time.
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Siemens
3LD2003-0TK51
siemens 3 ld2003-otk51 Switch 3 p
Siemens
From $41.34In stockSource updated 6/24/2026
Product Description
- Brand: Siemens - Model: 3LD2003-0TK51 - Type: Load switch (cam switch, 3-pole, for motor control and switching in industrial applications) - All Tech Specs: - Material: Thermoplastic enclosure (insulated for durability and arc resistance) - Poles: 3 (3-pole configuration) - Rated Current: 25 A (In, maximum continuous current) - Rated Voltage: 690 V AC (Ue, maximum operating voltage) - Rated Insulation Voltage: 1000 V (Ui) - Rated Impulse Withstand Voltage: 8 kV (Uimp) - Rated Short-Circuit Current: 10 kA (Icn, with gG/gL fuse) - Utilization Category: AC-21A (non-inductive loads); AC-23A (motor switching) - Frequency: 50/60 Hz - Contact Material: Silver alloy (for reliable switching) - Handle Type: Black thumb grip (OTK51 variant) - Mounting: Front panel or base mount (DIN rail optional) - Degree of Protection: IP65 (front); IP00 (terminals) - Operating Temperature Range: -25°C to +70°C (-13°F to +158°F) - Mechanical Endurance: >1 million operations - Electrical Endurance: >10,000 operations at rated load - Standards: IEC/EN 60947-3; suitable for distribution boards and motor starters - Certification: CE marked; RoHS compliant; CCC certified - Features: Modular design for accessories (auxiliary contacts, shunt trips); padlockable in OFF position; suitable for on/off control of motors up to 11 kW at 400 V - Dimension: 52 mm width x 48 mm height x 70 mm depth (2.05 in x 1.89 in x 2.76 in) - Weight: 0.3 kg (0.66 lbs) - Country of Origin: Germany - HS Code: 8536.50 (switches for voltages >1,000 V)
Buy Options
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
ConditionPriceAvailabilityLead time
Used
Price: $41.34
Availability: Available to order
Lead time: Quoted after RFQ
Specifications
- Brand
- Siemens
- Model
- 3LD2003-0TK51
- Type
- Load switch (cam switch, 3-pole, for motor control and switching in industrial applications)
- Material
- Thermoplastic enclosure (insulated for durability and arc resistance)
- Poles
- 3 (3-pole configuration)
- Rated Current
- 25 A (In, maximum continuous current)
- Rated Voltage
- 690 V AC (Ue, maximum operating voltage)
- Rated Insulation Voltage
- 1000 V (Ui)
- Rated Impulse Withstand Voltage
- 8 kV (Uimp)
- Rated Short-Circuit Current
- 10 kA (Icn, with gG/gL fuse)
- Utilization Category
- AC-21A (non-inductive loads); AC-23A (motor switching)
- Frequency
- 50/60 Hz
- Contact Material
- Silver alloy (for reliable switching)
- Handle Type
- Black thumb grip (OTK51 variant)
- Mounting
- Front panel or base mount (DIN rail optional)
- Degree of Protection
- IP65 (front); IP00 (terminals)
- Operating Temperature Range
- -25°C to +70°C (-13°F to +158°F)
- Mechanical Endurance
- >1 million operations
- Electrical Endurance
- >10,000 operations at rated load
- Standards
- IEC/EN 60947-3; suitable for distribution boards and motor starters
- Certification
- CE marked; RoHS compliant; CCC certified
- Features
- Modular design for accessories (auxiliary contacts, shunt trips); padlockable in OFF position; suitable for on/off control of motors up to 11 kW at 400 V
- Dimension
- 52 mm width x 48 mm height x 70 mm depth (2.05 in x 1.89 in x 2.76 in)
- Weight
- 0.3 kg (0.66 lbs)
- Country of Origin
- Germany
- HS Code
- 8536.50 (switches for voltages >1,000 V)
- Product
- All Tech Specs:
Before we quote this part
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
Independent sourcing disclaimer
We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.
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FAQ
How do I buy 3LD2003-0TK51?
Submit a Request for Quote on this page with quantity, required condition, and ship-to country. We respond by email with pricing and delivery options.
What condition options are available for 3LD2003-0TK51?
We list Used for 3LD2003-0TK51 (indicative availability and pricing — confirm on RFQ). See our condition policy at https://www.usedautomations.com/condition-codes.