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APC – SRT5KRMTF – Step-Down Transformer – Tested

Manufacturer

OEM Part Number

SRT5KRMTF

GPS Part Number

SRT5KRMTF

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Price:

$862.99

Specifications
View Spec Sheet
Voltage AH/kVA Length Width Height Weight
208 VAC nominal 5.0 kW 3.5in 17.51in 25.08in 95.20lb
Voltage 208 VAC nominal
Amp/H 5.0 kW
Length 3.5in
Width 17.51in
Height 25.08in
Weight 95.20lb

APC Smart-UPS โ€” Step-Down Transformer (SRT5KRMTF)

This is the Tested Version.

SKU: APC-SRT5KRMTF ย |
Type: 2U rack-mount step-down transformer (208ย Vย โ†’ย 120ย V). Delivers up to 5.0ย kVA with 12ย ร—ย NEMAย 5-20R outputs on four 15ย A branches, and a locking NEMAย L6-30P input for secure connection to 208ย V UPS or facility power.

  • Output distribution: Twelve 5-20R receptacles on four 15ย A breaker-protected branches (2ย branches with 4 outlets, 2ย branches with 2 outlets).
  • Input: 208ย V single-phase via NEMAย L6-30P; one power cord (approx. 3ย ftย /ย 0.91ย m).
  • Capacity & limits: 5,000ย VA; max input current 30ย A; max line/total output current 24ย A.
  • Rack-mount: 2U chassis with rail/bracket kit; install directly above the UPS for best practice.
  • Environment & safety: 0โ€“40ย ยฐC operating, 0โ€“95% RH (non-condensing); ULย 1778 & CSA approvals.

Technical Specifications โ€” SRT5KRMTF
Parameter Detail
Product Type Step-Down Transformer, rack-mount (2U)
Input Voltage 208ย VAC nominal (range 185โ€“230ย VAC)
Input Connection NEMAย L6-30P; 1 power cord; cord length ~3ย ft (0.91ย m)
Maximum Input Current 30ย A (maximum line current 24ย A)
Output Voltage 120ย VAC nominal
Output Receptacles 12ย ร—ย NEMAย 5-20R on four 15ย A branches (2ร—4 + 2ร—2), breaker-protected
Maximum Total Output Current 24ย A
Capacity 5,000ย VA
Frequency 50/60ย Hz
Efficiency ~90โ€“95%
Dimensions (Hร—Wร—D) 3.50 ร— 17.01 ร— 25.08ย in (89 ร— 432 ร— 637ย mm)
Net / Shipping Weight 95.0ย lb (43.09ย kg) ย |ย  110.01ย lb (49.9ย kg)
Included Hardware Mounting hardware, rack brackets, user manual, warranty card
Approvals ULย 1778, CSA
Environment Operating: 32โ€“104ย ยฐF (0โ€“40ย ยฐC), 0โ€“95% RH; Storage: โˆ’15โ€“45ย ยฐC; Operating elevation 0โ€“10,000ย ft

Notes & Replacement

SRT5KRMTF is designed to pair with 208ย V Smart-UPSย SRT systems (5โ€“6ย kVA) to support legacy 120ย V loads.
Install the transformer directly above the UPS in the rack; APC recommends a 30ย A, 2-pole external breaker on the 208ย V feed.
If you need a legacy alternative, see AP9626 (12ย ร—ย 5-20R) or AP9627 (4ย ร—ย L5-20R).

Product Options โ€” Tested vs. Refurbished Transformers
Option Description Warranty
Tested Input/output verified under load; all 5-20R branches and breakers checked; cord/plug inspected. 90โ€‘Day
Refurbished Cleaned and serviced; cosmetic touch-ups as needed; full distribution & breaker re-test after service. 1โ€‘Year

  • Use case: Feed 120ย V equipment from a 208ย V UPS/feed without re-wiring downstream PDUs.
  • Distribution: Four 15ย A branches simplify load grouping and reduce nuisance trips.
  • Install tip: Mount above the UPS; secure the L6-30P connection to prevent accidental disconnects.
Compatibility & Variants Matrix
Model Input / Plug Outputs Typical Use / Notes
SRT5KRMTF 208ย V / NEMAย L6-30P 12ย ร—ย NEMAย 5-20R; four 15ย A branches Pair with Smart-UPSย SRT 208ย V (5โ€“6ย kVA) to power 120ย V loads.
AP9626 208ย V / NEMAย L6-30P 12ย ร—ย 5-20R Legacy 5ย kVA step-down module with all straight-blade outputs.
AP9627 208ย V / NEMAย L6-30P 4ย ร—ย L5-20R Legacy 5ย kVA step-down with twist-lock outputs.

Why buy from Gruber
  • Professionally tested โ€” Outlet branches and breakers verified under load; insulation and ground checks performed.
  • Exact fit hardware โ€” Includes the correct 2U brackets/rails for standard 19″ racks.
  • Data-center friendly โ€” Locking L6-30P input and grouped 5-20R outputs minimize accidental disconnects.

 

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