Power Rotary Selector Switches
Mason Controls’ power rotary switches are built to handle demanding electrical loads in aerospace and defense applications. Engineered with robust construction for switching large electrical loads directly, these heavy-duty rotary switches eliminate the need for intermediate relays in high-current applications. Our power rotary lineup delivers reliable performance in mission-critical systems including aircraft power distribution, ground vehicle controls, and industrial automation where dependable high-current switching is essential.
SERIES: C INDEXING: 22°
Designed to meet or exceed the requirements of MIL-S-6807
Same as and interchangeable with 1748 Series
- Electrical Rating Continuous:
- 25 amps at 28 v dc
- Switching Rating:
Make and Break: - 10 amps resistive 115 v ac
10 amps resistive 28 v dc
6 amps inductive 28 v dc - Number of contact positions:
- 2 to 16 single pole construction only.
- Torque:
- 11 in. lb. max.
- Dialectic Strength:
- 1250 v ac
- Terminals available:
- Screw type only.
- Initial contact resistance:
- .010 ohms or less
- Insulation Resistance:
- 100,000 megohms
- Altitude Range:
- 60,000 feet
- Temperature Range:
- -55°C to +125°C
- Weight:
- .75 lbs for 1 deck switch, add .20 lbs. for each additional deck.
- Length:
- 1.90 (48.26) max. for 1 deck switch, add .75 (19.05) for each additional deck
SERIES: C INDEXING: 30°
Designed to meet or exceed the requirements of MIL-S-6807
Same as and interchangeable with 1749 Series
- Electrical Rating Continuous:
- 25 amps at 28 v dc
- Switching Rating:
Make and Break: - 10 amps resistive 115 v ac
10 amps resistive 28 v dc
5 amps inductive 28 v dc - Number of contact positions:
- 2 to 11: one pole per deck
2 or 3: three poles per deck - Torque:
- 8 in. lb. max.
- Dialectic Strength:
- 1250 v ac
- Terminals available:
- Screw type only.
- Initial contact resistance:
- .010 ohms or less
- Insulation Resistance:
- 100,000 megohms
- Altitude Range:
- 60,000 feet
- Temperature Range:
- -55°C to +125°C
- Weight:
- .56 lbs for 1 deck switch, add .20 lbs. for each additional deck.
- Length:
- 1.30 (33.02) max. for 1 deck switch, add .50 (12.7) for each additional deck
SERIES: C INDEXING: 36°
Designed to meet or exceed the requirements of MIL-S-6807
Same as and interchangeable with 1750 Series
- Electrical Rating Continuous:
- 25 amps at 28 v dc
- Switching Rating:
Make and Break: - 10 amps resistive 115 v ac
10 amps resistive 28 v dc
5 amps inductive 28 v dc - Number of contact positions:
- 2 to 9 plus OFF: single pole construction only.
- Torque:
- 8 in. lb. max.
- Dialectic Strength:
- 1250 v ac
- Terminals available:
- Screw type only.
- Initial contact resistance:
- .010 ohms or less
- Insulation Resistance:
- 100,000 megohms
- Altitude Range:
- 60,000 feet
- Temperature Range:
- -55°C to +125°C
- Weight:
- .68 lbs for 1 deck switch, add .15 lbs. for each additional deck.
- Length:
- 1.50 (38.1) max. for 1 deck switch, add .50 (12.7) for each additional deck
SERIES: C INDEXING: 45°
Designed to meet or exceed the requirements of MIL-S-6807
Same as and interchangeable with 1751 Series
- Electrical Rating Continuous:
- 25 amps at 28 v dc
- Switching Rating:
Make and Break: - 10 amps resistive 115 v ac
10 amps resistive 28 v dc
5 amps inductive 28 v dc - Number of contact positions:
- 2 to 7 plus OFF: one pole per deck
2 or 3 positions: two poles per deck - Torque:
- 8 in. lb. max.
- Dialectic Strength:
- 1250 v ac
- Terminals available:
- Screw type only.
- Initial contact resistance:
- .010 ohms or less
- Insulation Resistance:
- 100,000 megohms
- Altitude Range:
- 60,000 feet
- Temperature Range:
- -55°C to +125°C
- Weight:
- .40 lbs max. for 1 deck switch, add .15 lbs. for each additional deck.
- Length:
- 1.40 (35.56) max. for 1 deck switch, add .50 (12.7) for each additional deck
SERIES: C INDEXING: 90°
Designed to meet or exceed the requirements of MIL-S-6807
Same as and interchangeable with 1752 Series
- Electrical Rating Continuous:
- 25 amps at 28 v dc
- Switching Rating:
Make and Break: - 15 amps resistive 115 v ac
15 amps resistive 28 v dc
10 amps inductive 28 v dc
(all single pole construction only) - Number of contact positions:
- 2 to 4 positions: one pole per deck
2 positions: two poles per deck
(7.5 amp, 7.5 amp, 5 amp) - Torque:
- 8 in. lb. max.
- Dialectic Strength:
- 1250 v ac
- Terminals available:
- Screw type only.
- Initial contact resistance:
- .010 ohms or less
- Insulation Resistance:
- 100,000 megohms
- Altitude Range:
- 60,000 feet
- Temperature Range:
- -55°C to +125°C
- Weight:
- .48 lb max for 1 deck switch, add .15 lbs. for each additional deck.
- Length:
- 1.43 (36.32) max. for 1 deck switch, add .50 (12.7) for each additional deck