Transformers
- $424.06$424.06Low Price Guarantee
- $149.24$149.24Low Price Guarantee
- $54.95$54.95Low Price Guarantee
- $2,695.88$2,695.88Low Price Guarantee
- $147.42SKU: 4001-090
DoorKing 4001-090 Transformer 115 / 24 100 VA
- Converts 115V AC to 24V DC with 100VA output
- Ideal for use with DoorKing gate operators and other compatible equipment
- Genuine DoorKing replacement part for precise fit and long-term reliability
- Provides consistent, efficient power conversion
- Always verify compatibility using your manual or by contacting us
$147.42Low Price Guarantee - $305.76SKU: 4001-089
DoorKing 4001-089 Transformer 300VA for 115/230-24V
- Versatile Transformer: This 4001-089 toroidal transformer is suitable for both 115V and 230V input voltages, with a 24V output and 300VA rating
- Compact Design: The toroidal shape offers a compact form factor, making it ideal for space-constrained applications
- Reliable Operation: With a 300VA rating, this transformer ensures reliable power delivery for your electronic devices and systems
- Dual Input Voltage: The ability to operate at either 115V or 230V input voltage provides flexibility for use in different regions
- Specifications: Input Voltage: 115/230V, Output Voltage: 24V, Power Rating: 300VA, Model Number: 4001-089
$305.76Low Price Guarantee - $223.86SKU: 4001-087
DoorKing 4001-087 Small Transformer 460/230/208-115
- Genuine DoorKing DKS replacement transformer
- Compatible with 1833, 1834, 1837, and 1838 systems
- Converts 460/230/208V to 115V for stable operation
- Designed for exclusive use with DoorKing 1830 series systems
- Ensures reliable power supply and system performance
$223.86Low Price Guarantee - $200.20$200.20Low Price Guarantee
- $100.10SKU: 1830-142
DoorKing 1830-142 Isolation Transformer
- Reduce or Eliminate Noise From Troublesome Phone Lines
- Use with 1834, 1835, 1837
- Installing within TES Housing Recommended
- 3-5 Day Lead Time
$100.10Low Price Guarantee









