Series APT AC Power Transformers

40 VA to 150 VA, Single or Dual Hub, Circuit Breaker, UL Class 2

The SERIES APT AC Power Transformers provide isolated step-down to 24 VAC with models offering VA ratings of 20, 40, 50, 75, 96, or 150 VA’s. These cost efficient transformers are offered in single or dual 1/2" NPT threaded hub mounts with 8-1/2" 18 AWG wire leads, to meet the installation requirements of a variety of building automation and control panel applications in HVAC. All models are UL Class 2 listed.

Product Applications

BAS
HVAC

Starting at $9.81

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150 VA Rating

20 VA Rating

40 VA Rating

50 VA Rating

75 VA Rating

96 VA Rating

Grouped product items
Model	Description	Availability*	Price
APT-100-1DB	AC power transformer, 120 VAC input, 24 VAC isolated output, 96 VA, dual hub, w/ circuit breaker	1-3 days*	$43.65
APT-100-1DB-20	AC power transformer, 120 VAC input, 24 VAC isolated output, 96 VA, dual hub, w/ circuit breaker, 20" leads	1-3 days*	$45.45
APT-100-1SB	AC power transformer, 120 VAC input, 24 VAC isolated output, 96 VA, single hub, w/ circuit breaker	1-3 days*	$42.90
APT-100-2DB	AC power transformer, 240 VAC input, 24 VAC isolated output, 96 VA, dual hub, w/ circuit breaker	Call for Details*	$43.40
APT-100-2SB	AC power transformer, 240 VAC input, 24 VAC isolated output, 96 VA, single hub, w/ circuit breaker	Call for Details*	$43.15
APT-100-5DB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 96 VA, dual hub, w/ circuit breaker	Call for Details*	$52.35
APT-100-5SB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 96 VA, single hub, w/ circuit breaker	1-3 days*	$52.35
APT-150-1DB	AC power transformer, 120 VAC input, 24 VAC isolated output, 150 VA, dual hub, w/ circuit breaker	1-3 days*	$63.30
APT-20-0SN	AC power transformer, 24 VAC input, 24 VAC isolated output, 20 VA, single hub	1-3 days*	$19.90
APT-20-1SN	AC power transformer, 120 VAC input, 24 VAC isolated output, 20 VA, single hub	1-3 days*	$19.40
APT-40-0SN	AC power transformer, 24 VAC input, 24 VAC isolated output, 40 VA, single hub	1-3 days*	$24.25
APT-40-1DN	AC power transformer, 120 VAC input, 24 VAC isolated output, 40 VA, dual hub	1-3 days*	$24.25
APT-40-1SN	AC power transformer, 120 VAC input, 24 VAC isolated output, 40 VA, single hub	1-3 days*	$23.25
APT-40-2SN	AC power transformer, 240 VAC input, 24 VAC isolated output, 40 VA, single hub	1-3 days*	$23.25
APT-40-3SN	AC power transformer, 120/208/240/277 VAC input, 24 VAC isolated output, 40 VA, single hub	1-3 days*	$31.15
APT-40-5DN	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 40 VA, dual hub	1-3 days*	$28.60
APT-50-1DB	AC power transformer, 120 VAC input, 24 VAC isolated output, 50 VA, dual hub, w/ circuit breaker	Call for Details*	$34.95
APT-50-1DN	AC power transformer, 120 VAC input, 24 VAC isolated output, 50 VA, dual hub	1-3 days*	$25.25
APT-50-1SB	AC power transformer, 120 VAC input, 24 VAC isolated output, 50 VA single hub, w/ circuit breaker	1-3 days*	$33.95
APT-50-1SN	AC power transformer, 120 VAC input, 24 VAC isolated output, 50 VA, single hub	1-3 days*	$35.75
APT-50-2DB	AC power transformer, 240 VAC input, 24 VAC isolated output, 50 VA, dual hub, w/ circuit breaker	Call for Details*	$34.95
APT-50-2DN	AC power transformer, 240 VAC input, 24 VAC isolated output, 50 VA, dual hub	Call for Details*	$27.05
APT-50-2SB	AC power transformer, 240 VAC input, 24 VAC isolated output, 50 VA, single hub, w/ circuit breaker	Call for Details*	$34.45
APT-50-2SN	AC power transformer, 240 VAC input, 24 VAC isolated output, 50 VA, single hub	Call for Details*	$9.81
APT-50-5DB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 50 VA, dual hub, w/ circuit breaker	1-3 days*	$39.30
APT-50-5SB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 50 VA, single hub, w/ circuit breaker	1-3 days*	$39.05
APT-75-1DB	AC power transformer, 120 VAC input, 24 VAC isolated output, 75 VA, dual hub, w/ circuit breaker	1-3 days*	$39.55
APT-75-1SB	AC power transformer, 120 VAC input, 24 VAC isolated output, 75 VA, single hub, w/ circuit breaker	1-3 days*	$39.55
APT-75-2DB	AC power transformer, 240 VAC input, 24 VAC isolated output, 75 VA, dual hub, w/ circuit breaker	Call for Details*	$39.80
APT-75-2SB	AC power transformer, 240 VAC input, 24 VAC isolated output, 75 VA, single hub, w/ circuit breaker	1-3 days*	$39.30
APT-75-5DB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 75 VA, dual hub, w/ circuit breaker	1-3 days*	$46.20
APT-75-5SB	AC power transformer, 120/208/240/277/480 VAC input, 24 VAC isolated output, 75 VA, single hub, w/ circuit breaker	1-3 days*	$45.70

Specifications

Input Voltage:: See model chart on catalog page.
Input Frequency:: 50/60 Hz.
Output Voltage:: See model chart on catalog page.
Output VA Rating:: 20, 40, 50, 75, 96, or 150 VA.
Mounting:: Slotted foot mount with single, or dual 1/2" NPT hub.
Current Protection:: See model chart on catalog page.
Electrical Connections:: Models ending in -20: 20" (508 mm) 18 AWG leads; All other models: 8.5" (210 mm) 18 AWG leads.
Weight:: See model chart on catalog page.
Compliance:: CE, cULus.