PX Beige Steel Enclosure Pool & Spa Safety Transformer 100W 120V

The Intermatic PX Series Safety Transformers are built to safely deliver low-voltage power to pool and spa lights. Available in 100-watt and 300-watt models, these transformers convert 120-volt input to a stable 12–14 VAC output while meeting NEC requirements for underwater luminaires. With grounded shields, built-in circuit protection, and durable steel enclosures, PX transformers provide long-lasting reliability in demanding outdoor environments. Whether you need a single light setup or multiple fixtures, the PX Series delivers the safety and performance pool owners and professionals can trust.

Intermatic PX100 (100 W Model)

Input Voltage: 120 VAC, 60 Hz

Output Voltage: 12–14 VAC

Power Rating: 100 watts (approx. 0.83 A at 120 V input)

Enclosure: Beige painted steel, NEMA 3R rainproof rating

Knockouts: Multiple ½"–¾" conduit knockouts for flexible installation

Mounting: Surface mount with pre-drilled brackets

Safety Features: Grounded shield between primary and secondary windings; internal circuit breaker for overload protection

Applications: Ideal for a single pool or spa light or small landscape lighting loads

Dimensions: ~7.25" H × 5.25" W × 4.5" D

Weight: ~8–9 lbs





Intermatic PX300 (300 W Model)

Input Voltage: 120 VAC, 60 Hz

Output Voltage: 12–14 VAC

Power Rating: 300 watts (approx. 2.5 A at 120 V input)

Enclosure: Beige painted steel, NEMA 3R rainproof rating

Knockouts: Multiple ½"–¾" conduit knockouts on sides and back for wiring flexibility

Mounting: Surface mount with pre-drilled brackets (top and bottom)

Safety Features: Grounded shield between primary and secondary windings; built-in overload/circuit protection with automatic reset

Applications: Multiple pool/spa lights, larger water feature lighting, or extended landscape runs

Dimensions: ~7.25" H × 5.25" W × 4.5" D

Weight: ~11 lbs