Technical Specification Confirmation
PROCUREMENT & SUPPLY DECISION RECORD
Ref: ACG-SPEC-MQEGCBSZ  ·  Generated: 15 Jun 2026
ACG AgaCanGroup
sales@agacaninvestment.com
agacangroup.com
Siemens 3 Pole DIN Rail Isolator Switch - 40A Maximum Current
Siemens
Siemens 3 Pole DIN Rail Isolator Switch - 40A Maximum Current
Part No.
3LD3330-0TK11
Procurement Intelligence
The Sentron 3LD series is a compact DIN rail-mounted isolator switch designed for low-voltage circuit protection and manual load disconnection in industrial control panels. Installation requires standard DIN rail mounting with proper coordination to upstream protection devices. Critical verification: confirm 40A rating matches the protected circuit's maximum continuous current and validate thermal derating at site ambient temperature exceeding +55°C.
Industrial control panel isolation
Before ordering — verify:
☐ DIN rail compatibility
☐ Upstream breaker coordination
☐ Thermal derating verification
Technical Specifications
Number of Poles3
Maximum Current40A
Mounting TypeDIN Rail
RangeSentron
Series3LD
Maximum Operating Temperature+55°C
Minimum Operating Temperature-25°C
ACG Industrial & Infrastructure Solutions
Kampala, Uganda  ·  Malatya, Turkey
http://agacangroup.com/product/electrical-items/switches/switch-disconnectors-components/isolator-switches/siemens-3-pole-din-rail-isolator-switch-40a-maximum-current?mal=66182ee90f45bcae58908fe1
This document confirms the above specification is available in the ACG Industrial catalogue. Pricing and availability on request. Forward to your procurement team to initiate an RFQ.