• Siemens SENTRON 3LD3 Switch Disconnector Accessories
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Siemens SENTRON 3LD3 Switch Disconnector Accessories

Siemens SENTRON 3LD3 Switch Disconnector Accessories

Accessories for Siemens SENTRON 3LD3 main control and EMERGENCY-STOP switches: additional poles, auxiliary switches, operating mechanisms, shafts, terminal covers and labels.

Key features

  • N switching contact (4th contact element), N and PE terminals
  • Auxiliary switch 1 NO + 1 NC
  • Rotary and knob-operated mechanisms, black or red/yellow, lockable with padlocks
  • Door-coupling mechanisms and 6 × 6 mm switch shafts for floor-mounted versions
  • Terminal covers and inscription labels

Specifications

Brand Siemens SENTRON
Series 3LD3 accessories
Catalog chapter 8 Switch Disconnectors
Product group Fuseless switch disconnectors
Suitable for 3LD3 switches 16 … 63 A
For 3LD30/31/32/33/34
Source Siemens Catalog LV 10 · 2026, p. 642-649
3LD9340-0B Accessory: Additional poles | Version: N switching contact | Detail: Leading switch-on, lagging switch-off
3LD9340-2B Accessory: Additional poles | Version: N terminal | Detail: Through-type
3LD9340-3B Accessory: Additional poles | Version: PE terminal | Detail: Through-type
3LD9340-6B Accessory: Auxiliary switches | Version: 1 NO + 1 NC
3LD9344-4C Accessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Black
3LD9344-5C Accessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Red/yellow
3LD9343-6C Accessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Black
3LD9343-7C Accessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Red/yellow
3LD9341-2A Accessory: Terminal covers | Version: For N switching contacts | Detail: N terminals or PE terminals
3LD9341-0A Accessory: Terminal covers | Version: For 3-pole 3LD3 switch disconnectors
3LD9346-1A Accessory: Inscription labels | Version: German/English
3LD9346-2A Accessory: Inscription labels | Version: French/Spanish
3LD9346-3A Accessory: Inscription labels | Version: Without inscription
3LD9340-0C Accessory: Additional poles | Version: N switching contact | Detail: Leading switch-on, lagging switch-off
3LD9340-2C Accessory: Additional poles | Version: N terminal | Detail: Through-type
3LD9340-3C Accessory: Additional poles | Version: PE terminal | Detail: Through-type
3LD9340-6C Accessory: Auxiliary switches | Version: 1 NO + 1 NC
3LD9344-2C Accessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Incl. funnel, Black
3LD9344-3C Accessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Incl. funnel, Red/yellow
3LD9343-4C Accessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Incl. funnel, Black
3LD9343-5C Accessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Incl. funnel, Red/yellow
3LD9345-1C Accessory: Switch shafts | Version: 6 × 6 mm | Detail: 600 mm
3LD9344-2CA Accessory: Door-coupl. rotary op. mech. | Version: Rotary operating mechanisms 66 × 66 mm | Detail: Black
3LD9344-3CA Accessory: Door-coupl. rotary op. mech. | Version: Rotary operating mechanisms 66 × 66 mm | Detail: Red/yellow
3LD9343-4CA Accessory: Door-coupl. rotary op. mech. | Version: Knob-operated mechanisms 48 × 48 mm | Detail: Black
3LD9343-5CA Accessory: Door-coupl. rotary op. mech. | Version: Knob-operated mechanisms 48 × 48 mm | Detail: Red/yellow
3LD9343-2CA Accessory: Door-coupl. rotary op. mech. | Version: Knob-operated mech., defeatable | Detail: 66 × 66 mm, Black
3LD9343-3CA Accessory: Door-coupl. rotary op. mech. | Version: Knob-operated mech., defeatable | Detail: 66 × 66 mm, Red/yellow
3LD9343-2C Accessory: Knob-operated mechanisms | Version: Knob-operated mechanisms, defeatable | Detail: Lockable in 0, max. 3 padlocks | Detail 2: Incl. funnel, Black
3LD9343-3C Accessory: Knob-operated mechanisms | Version: Knob-operated mechanisms, defeatable | Detail: Lockable in 0, max. 3 padlocks | Detail 2: Incl. funnel, Red/yellow
AccessoriesSiemens
30 product codes available in this family
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Siemens SENTRON 3LD3 Switch Disconnector Accessories

Brand Siemens·Accessories

Available part numbers (30)

3LD9340-0B, 3LD9340-2B, 3LD9340-3B, 3LD9340-6B, 3LD9344-4C, 3LD9344-5C, 3LD9343-6C, 3LD9343-7C, 3LD9341-2A, 3LD9341-0A + 20 more — see full table ↓

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Product codes & specifications
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Product codeSpec
3LD9340-0BAccessory: Additional poles | Version: N switching contact | Detail: Leading switch-on, lagging switch-off
3LD9340-2BAccessory: Additional poles | Version: N terminal | Detail: Through-type
3LD9340-3BAccessory: Additional poles | Version: PE terminal | Detail: Through-type
3LD9340-6BAccessory: Auxiliary switches | Version: 1 NO + 1 NC
3LD9344-4CAccessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Black
3LD9344-5CAccessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Red/yellow
3LD9343-6CAccessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Black
3LD9343-7CAccessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Red/yellow
3LD9341-2AAccessory: Terminal covers | Version: For N switching contacts | Detail: N terminals or PE terminals
3LD9341-0AAccessory: Terminal covers | Version: For 3-pole 3LD3 switch disconnectors
3LD9346-1AAccessory: Inscription labels | Version: German/English
3LD9346-2AAccessory: Inscription labels | Version: French/Spanish
3LD9346-3AAccessory: Inscription labels | Version: Without inscription
3LD9340-0CAccessory: Additional poles | Version: N switching contact | Detail: Leading switch-on, lagging switch-off
3LD9340-2CAccessory: Additional poles | Version: N terminal | Detail: Through-type
3LD9340-3CAccessory: Additional poles | Version: PE terminal | Detail: Through-type
3LD9340-6CAccessory: Auxiliary switches | Version: 1 NO + 1 NC
3LD9344-2CAccessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Incl. funnel, Black
3LD9344-3CAccessory: Rotary operating mechanisms | Version: Lockable in 0, max. 3 padlocks | Detail: Incl. funnel, Red/yellow
3LD9343-4CAccessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Incl. funnel, Black
3LD9343-5CAccessory: Knob-operated mechanisms | Version: Lockable in 0, max. 2 padlocks | Detail: Incl. funnel, Red/yellow
3LD9345-1CAccessory: Switch shafts | Version: 6 × 6 mm | Detail: 600 mm
3LD9344-2CAAccessory: Door-coupl. rotary op. mech. | Version: Rotary operating mechanisms 66 × 66 mm | Detail: Black
3LD9344-3CAAccessory: Door-coupl. rotary op. mech. | Version: Rotary operating mechanisms 66 × 66 mm | Detail: Red/yellow
3LD9343-4CAAccessory: Door-coupl. rotary op. mech. | Version: Knob-operated mechanisms 48 × 48 mm | Detail: Black
3LD9343-5CAAccessory: Door-coupl. rotary op. mech. | Version: Knob-operated mechanisms 48 × 48 mm | Detail: Red/yellow
3LD9343-2CAAccessory: Door-coupl. rotary op. mech. | Version: Knob-operated mech., defeatable | Detail: 66 × 66 mm, Black
3LD9343-3CAAccessory: Door-coupl. rotary op. mech. | Version: Knob-operated mech., defeatable | Detail: 66 × 66 mm, Red/yellow
3LD9343-2CAccessory: Knob-operated mechanisms | Version: Knob-operated mechanisms, defeatable | Detail: Lockable in 0, max. 3 padlocks | Detail 2: Incl. funnel, Black
3LD9343-3CAccessory: Knob-operated mechanisms | Version: Knob-operated mechanisms, defeatable | Detail: Lockable in 0, max. 3 padlocks | Detail 2: Incl. funnel, Red/yellow

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