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type: product
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stock_number: "54187-2"
canonical_url: "https://www.artisantg.com/54187-2/Salzer-M221"
json_url: "https://www.artisantg.com/54187-2/Salzer-M221.json"
generated_at: "2026-11-07T20:46:47.139Z"
last_updated: "2026-10-27T19:05:40.290-05:00"
---

# Salzer M221 Rotary Cam Switch

_Summary and Categories are this item's record. The description sections and FAQ are machine-assisted and can contain errors; where they disagree with the record, the record is correct, and where description sections disagree with each other, Details wins._

## Summary

- Manufacturer: Salzer
- Model: M221
- Condition: Used and in Excellent Condition
- Price: Quote only
- Availability: Not in Stock
- Warranty: 1-Year Warranty with 30-Day Return Guarantee
- ITAR restricted: No
- Shipping weight: 1 lb, estimated
- Shipping dimensions: 8X8X3 in, estimated

## Categories

- Test Equipment > Electrical Test > Switches (primary)

## Details

This unit does not include an operator module.

### Configuration

- Operational Voltage Ue: 690 VAC
- Impulse Withstand Voltage Uimp: 6 kV
- Overvoltage Category: III
- Pollution Degree: 3
- Uninterrupted Current Iu / Ith / Ithe: 20 A
- Breaking Capacity:
     - 220-240 V: 180 A
     - 380-440 V: 150 A
     - 500-690 V: 90 A
- Short-Circuit Rating (Max. Fuse): 20 gL
- Conditional Short-Circuit Current: 10 kAeff
- Isolating Characteristics (to EN 60947): Up to 690 VAC
- Max. Contacts (Current Paths): 24
- Current Heat Loss Per Contact at Iu: 0.75 W
- Terminal Capacity:
     - Solid or Stranded:
          - Min.: 1 mm2
          - Max.: 2.5 mm2
     - Flexible or Multiwire (Including Ferrule):
          - Min.: 1 mm2
          - Max.: 2.5 mm2
- American Wire Gauge: 12 AWG
- Thread Dimensions for Terminal Screw: M3
- Terminal Tightening Torque:
     - Min.: 0.5 Nm
     - Max.: 1 Nm
- Operational Current Ie:
     - AC-21A:
          - 20 A
     - AC-22A:
          - 220-500 V: 20 A
          - 660-690 V: 20 A
     - AC-23A (cos ɸ = 0.65):
          - 440 V: 16 A
     - cUL General Use:
          - 300 VAC: 20 A
          - 600 VAC: 20 A
- Operational Power 50-60 Hz (3 Phase):
     - AC-23A:
          - 220-240 V: 4 kW
          - 380-440 V: 7.5 kW
          - 500 V: 7.5 kW
          - 660-690 V: 7.5 kW
     - AC-3:
          - 220-240 V: 3 kW
          - 380-440 V: 5.5 kW
          - 500 V: 5.5 kW
          - 660-690 V: 5.5 kW
     - cUL:
          - 110-120 VAC: 1 HP
          - 208 VAC: 2 HP
          - 220-240 VAC: 2 HP
          - 440-480 VAC: 5 HP
          - 550-600 VAC: 5 HP

Part Number: 479970/R140, LUS1A3636-04

## Images

- <https://www.artisantg.com/itemimages/salzer_m221_view1_202493010108.jpg>
- <https://www.artisantg.com/itemimages/salzer_m221_view2_202493010108.jpg>
- <https://www.artisantg.com/itemimages/salzer_m221_view3_202493010108.jpg>
- <https://www.artisantg.com/itemimages/salzer_m221_view4_202493010108.jpg>